Radiation Oncology




(1)
University of Miami Sylvester Cancer Center, Miami, Florida, USA

 





11.1 The Brain (Questions)



The Brain, Brainstem, and Cerebellum




1.

Some of the clinical presentations of a brain neoplasm are:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Edema

 

II.

Focal neurological dysfunction

 

III.

Intracranial pressure

 

IV.

Hydrocephalus

 

 

2.

Tumors of the cranial and spinal nerves include:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Schwannoma

 

II.

Malignant lymphomas

 

III.

Neurofibroma

 

IV.

Pituitary adenoma

 

 

3.

Which of the following will decrease cerebral edema preoperatively, postoperatively, and during irradiation? Administration of:

A.

Glucocorticoid (dexamethasone)

 

B.

Phenytoin (Dilantin)

 

C.

Carbamazepine (Tegretol)

 

D.

Phenobarbital

 

 

4.

Which of the following modalities are used to deliver radiation to CNS patients?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

External beam radiation therapy

 

II.

Radiosurgery (stereotactic irradiation)

 

III.

Interstitial brachytherapy

 

IV.

LDR brachytherapy

 

 

5.

Criteria for CNS brachytherapy include:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Tumor confined to one hemisphere

 

II.

No transcallosal or subependymal spread

 

III.

Tumor size less than 5–6 cm

 

IV.

Tumor well circumscribed on CT or MRI

 

 

6.

Which of the following anatomic landmarks can be used for cranial radiation therapy techniques?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The external acoustic meatus

 

II.

The sella turcica

 

III.

The cribriform plate

 

IV.

The mandibular angle

 

 

7.

The sella turcica is used as a landmark for:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The inferior border of whole-brain irradiation fields

 

II.

The hypothalamus

 

III.

The pineal body

 

IV.

The optic canal

 

 

8.

The most common error in head and neck treatment setup is:

A.

Head rotation and/or tilting

 

B.

Head rotation and/or in/out position

 

C.

Tilting and/or anterior/posterior position

 

D.

Anterior/posterior and/or in/out position

 

 

9.

Irradiation techniques of the entire intracranial contents include:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Parallel-opposed lateral portals

 

II.

Inferior border 0.5–1 cm inferior to the cribriform plate, middle cranial fossa, and foramen magnum

 

III.

Anterior border 3 cm posterior to the ipsilateral eyelid

 

IV.

Superior and posterior flash

 

 

10.

Which of the following tumor locations in the brain is best treated with parallel-opposed lateral portals?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Bilateral or medial cerebral hemispheric tumors

 

II.

Brainstem, posterior parietal, occipital, or frontal lesions/tumors

 

III.

Midcerebral tumors

 

IV.

Craniopharyngiomas and pituitary, optic nerve, hypothalamic, and brainstem tumors

 

 

11.

When irradiating brain tumor on a pregnant patient:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The fetal exposure should be less than 0.10 Gy.

 

II.

Brain irradiation should be avoid due to the high risk of fetal death.

 

III.

Leukemia risk in the child must be considered.

 

IV.

The fetal exposure can exceed 20 Gy when high doses are used.

 

 

12.

Which of the following statements is true about CNS irradiation?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The patient may be irradiated with a helmet field and one or two spine fields followed by a brain boost.

 

II.

Patients can be treated supine or prone.

 

III.

Collimator and couch angles are critical for setup reproducibility.

 

IV.

Couch angle must be used on helmet brain and collimator angles on spine fields.

 

 

13.

Which of the following statements is true about CNS irradiation?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The junctions are moved every 20 Gy of tumor dose.

 

II.

The junctions are moved every 10 Gy of tumor dose.

 

III.

The gap used should be located between the helmet brain and superior spine field.

 

IV.

Three or four junctions are typically used on CNS cases.

 

 

14.

The most serious late reaction to irradiation of CNS is:

A.

Nausea and vomiting

 

B.

Alopecia

 

C.

Mucositis and esophagitis

 

D.

Necrosis

 

 

15.

Most brainstem gliomas are:

A.

High-grade astrocytomas

 

B.

Ependymoma

 

C.

Medulloblastoma

 

D.

Meningiomas

 

 

16.

The most common primary brain tumor is:

A.

Astrocytomas

 

B.

Gliomas

 

C.

Medulloblastoma

 

D.

Meningiomas

 

 

17.

Which of the following are considered benign brain tumors?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Astrocytomas

 

II.

Acoustic neuroma

 

III.

Glioblastomas

 

IV.

Meningiomas

 

 

18.

An acoustic neuroma is also called:

A.

Astrocytomas

 

B.

Gliomas

 

C.

Schwannoma

 

D.

Meningiomas

 

 


The Pituitary




1.

The pituitary gland:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Is connected to the hypothalamus

 

II.

Is located in the sella turcica

 

III.

Secretes nine hormones that regulate homeostasis

 

IV.

Produces a hormone that modulates the wake/sleep pattern

 

 

2.

A patient treated for a pituitary tumor requires periodic assessment of:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Gonadal function

 

II.

Thyroid function

 

III.

Adrenal function

 

IV.

Lacrimal gland function

 

 

3.

Which of the following is true about pituitary radiation therapy techniques?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Lateral portals of 5 × 5 to 6 × 6 cm or shaped fields are used.

 

II.

If photon energies below 10 MV are used, a vertex field is recommended to decrease the irradiation dose to the temporal lobes.

 

III.

Special care must be taken to avoid exposure to the eyes.

 

IV.

Bilateral coaxial wedge fields plus a coronal field, moving arc fields, and 360° rotational fields can be used.

 

 

4.

In order to obtain a more homogeneous dose distribution and in decreasing the dose delivered to the optic chiasm:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Two parallel-opposed fields must be used with 40° wedges with heel placed posteriorly.

 

II.

Two parallel-opposed fields and a vertex field must be used.

 

III.

Two parallel-opposed fields must be used with 60° wedges with heel placed posteriorly.

 

IV.

Two parallel-opposed fields must be used with 15° wedges with heel placed anteriorly.

 

 

5.

Which of the following structures must be considered as critical when irradiating a pituitary tumor?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The optic chiasm

 

II.

The temporal lobes

 

III.

The brain stem

 

IV.

The hypothalamus

 

 

6.

The pituitary gland:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Is a middle structure situated in the body of the sphenoid bone

 

II.

Is located superior to the sphenoid sinus and nasopharynx

 

III.

Is composed of two lobes

 

IV.

Is an endocrine gland

 

 

7.

Which of the following hormones is produced by the pituitary gland?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Growth hormone

 

II.

Thyroid-stimulating hormone

 

III.

Prolactin

 

IV.

Insulin

 

 


11.2 The Head and Neck Region (Questions)



The Hypopharynx




1.

The hypopharynx is divided into:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The pyriform sinuses

 

II.

The posterolateral pharyngeal wall

 

III.

The postcricoid region

 

IV.

Supraglottic

 

 

2.

Which of the following parts of the hypopharynx has the highest incidence of tumor occurrence in the United States?

A.

The pyriform fossa

 

B.

The posterolateral pharyngeal wall

 

C.

The postcricoid region

 

D.

The pyriform sinuses

 

 

3.

Most hypopharynx tumors are:

A.

Carcinoma in situ

 

B.

Squamous cell carcinoma

 

C.

Malignant melanoma

 

D.

Sarcoma

 

 

4.

Preoperative irradiation of the hypopharynx is on the order of:

A.

65 to 70 Gy in 7–8 weeks

 

B.

60 to 66 Gy

 

C.

45 to 50 Gy in 4.5–5 weeks

 

D.

70 to 80 Gy in 10 weeks

 

 

5.

If irradiation is given alone, the irradiated volume of the hypopharynx should encompass:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The nasopharynx

 

II.

The oropharynx

 

III.

The hypopharynx

 

IV.

The upper cervical esophagus

 

 

6.

Hypopharynx radiation treatment consists of:

A.

Two parallel-opposed upper-neck lateral beams and one anterior photon field encompassing the lower neck plus a boost to the gross tumor

 

B.

Two parallel-opposed upper-neck lateral beams and one anterior electron field encompassing the lower neck

 

C.

Four oblique-field techniques (RAO, LAO, RPO, LPO) treating the upper and lower neck

 

D.

PA/PA beams encompassing the upper and lower neck

 

 

7.

The hypopharynx extends from:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The level of the hyoid bone to the lower border of the cricoid cartilage.

 

II.

The level of the thyroid to the lower esophagus

 

III.

From cervical vertebra 4 to cervical vertebra 6

 

IV.

From cervical vertebra 1 to cervical vertebra 2

 

 


The Larynx




1.

The larynx is divided into:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Supraglottic area

 

II.

Glottis

 

III.

Subglottic area

 

IV.

The pyriform sinuses

 

 

2.

Which of the following is true about the subglottic area?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The subglottic area begins 5 mm below the vocal cord.

 

II.

The subglottic area begins 5 cm below the vocal cord.

 

III.

The subglottic area ends at the inferior border of the cricoid cartilage and the beginning of the trachea.

 

IV.

The subglottic area ends at the inferior border of the true vocal cord.

 

 

3.

The most common head and neck cancer occurs in the:

A.

Hypopharynx

 

B.

Larynx

 

C.

Nasopharynx

 

D.

Parotids

 

 

4.

Cancer of the larynx is strongly related to:

A.

Poor exercise

 

B.

Alcohol

 

C.

Cigarette smoking

 

D.

Poor healthy food intake

 

 

5.

Most of subglottic laryngeal lesions are:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Ipsilateral

 

II.

Bilateral

 

III.

Diagnosed early

 

IV.

Diagnosed late

 

 

6.

Some procedures to eradicate carcinoma of the larynx include:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Irradiation

 

II.

Hemilaryngectomy

 

III.

Cordectomy

 

IV.

Total laryngectomy

 

 

7.

Radiation therapy techniques for T1 laryngeal lesions generally include:

A.

Field sizes from 10 cm × 10 cm to 15 cm × 15 cm.

 

B.

Lateral field sizes extend from the thyroid notch superiorly to the inferior border of the cricoid cartilage and fall off anteriorly.

 

C.

Lateral field sizes including the jugulodigastric and middle jugular lymph nodes.

 

D.

Four oblique-field techniques (RAO, LAO, RPO, LPO) from 4 cm × 4 cm to 6 cm × 6 cm each.

 

 

8.

Most laryngeal tumors are:

A.

Carcinoma in situ

 

B.

Squamous cell carcinoma

 

C.

Malignant melanoma

 

D.

Sarcoma

 

 

9.

Which of the following nodes are mainly involved in carcinoma of the larynx?

A.

The jugulodigastric nodes

 

B.

The middle jugular nodes

 

C.

The subdigastric nodes

 

D.

The inferior jugular nodes

 

 


The Nasal Cavity and Paranasal Sinuses




1.

A stage III nasal cavity or paranasal sinus has:

A.

No extension out of the site of origin

 

B.

Extension to orbit, nasopharynx, and paranasal sinuses

 

C.

Extension to skin and pterygomaxillary fossa

 

D.

Extension to the base of the skull or pterygoid plate and destruction and intracranial extension

 

 

2.

The most common malignancy of the nasal cavity and paranasal sinuses is:

A.

Carcinoma in situ

 

B.

Squamous cell carcinoma

 

C.

Malignant melanoma

 

D.

Lymphoma

 

 

3.

The preferred treatment for the nasal vestibule is:

A.

Surgery

 

B.

Chemotherapy

 

C.

Radiation therapy

 

D.

Chemoradiation

 

 

4.

Nasal cavity and paranasal sinuses radiation therapy techniques include:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

An anterior portal only

 

II.

An anterior portal with one or two posterior tilted lateral portals, frequently using wedges

 

III.

An anterior portal electron field and two opposed lateral fields, frequently using wedges

 

IV.

A wedge-pair technique if the disease is ipsilateral only

 

 

5.

When treating the nasal cavity and paranasal sinuses, complications of irradiation include:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Central nervous system damage

 

II.

Unilateral or bilateral vision loss

 

III.

Otitis media

 

IV.

Chronic sinusitis

 

 

6.

Which of the following statements is true about tumors in the nasal cavity and paranasal sinuses?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

They are twice as common in males than in females.

 

II.

They show a bimodal age distribution of 10–20 and 50–60 years of age.

 

III.

They are considered rare tumors.

 

IV.

Most tumors present at advance stage.

 

 

7.

Which of the following nodes are mainly involved in nasal cavity and paranasal sinuses tumors?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Jugulodigastric nodes

 

II.

Submandibular nodes

 

III.

Inferior jugular nodes

 

IV.

Subdigastric nodes

 

 

8.

Which of the following areas of the nasal cavity and paranasal sinuses uses primary surgery followed by radiation therapy as the treatment of choice?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The nasal vestibule

 

II.

The nasal cavity

 

III.

The sphenoid sinus

 

IV.

The maxillary sinus

 

 


The Nasopharynx




1.

The most common site of distant metastasis from nasopharyngeal cancer is:

A.

The bone

 

B.

The lung

 

C.

The liver

 

D.

The brain

 

 

2.

The most common malignancy of the nasopharynx is:

A.

Rhabdomyosarcoma

 

B.

Lymphoma

 

C.

Malignant melanoma

 

D.

Epidermoid or undifferentiated carcinomas

 

 

3.

The preferred treatment for the nasopharynx is:

A.

Surgery

 

B.

Chemotherapy

 

C.

Radiation therapy

 

D.

Chemoradiation

 

 

4.

Which of the following statements is true about radiation therapy techniques for nasopharynx treatments?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The volume irradiated includes the nasopharynx, adjacent parapharyngeal tissues, and all of the cervical lymphatics.

 

II.

The upper neck is treated using opposing lateral fields.

 

III.

After 45 Gy, the lateral fields are modified to shield the spinal cord.

 

IV.

Lower neck involvement is treated with anterior-posterior parallel-opposed fields.

 

 

5.

Which of the following treatment modalities has been used for nasopharyngeal carcinoma?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Three-dimensional radiation therapy

 

II.

Stereotactic irradiation

 

III.

Brachytherapy

 

IV.

Chemotherapy

 

 

6.

Reirradiation techniques for the nasopharynx include:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

External irradiation

 

II.

Brachytherapy

 

III.

Combination of external irradiation and brachytherapy

 

IV.

Chemotherapy

 

 

7.

Which of the following is true about nasopharyngeal carcinoma?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Children or young adults should be treated with irradiation alone.

 

II.

For retreatment with external beams, relatively small fields must be used.

 

III.

Irradiation dose depends on patient age and tumor stage.

 

IV.

Hypopituitarism causing significant clinical signs and symptoms is commonly reported in children.

 

 

8.

The nasopharynx is located:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

At the level of the hyoid bone to the lower border of the cricoid cartilage

 

II.

Anteriorly to the posterior choanae and posterior to cervical vertebrae 1 and 2 and the clivus

 

III.

From cervical vertebrae 4–6

 

IV.

Superior to the body of the sphenoid and inferior to the soft palate

 

 

9.

Which of the following are common lymph nodes involved in carcinomas of the nasopharynx?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Deep posterior cervical lymph nodes

 

II.

Submandibular nodes

 

III.

Jugulodigastric lymph nodes

 

IV.

Inferior jugular nodes

 

 


The Oral Cavity




1.

The oral cavity consists of:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The upper and lower lips

 

II.

The upper and lower gingiva

 

III.

The hard palate

 

IV.

The floor of mouth

 

 

2.

The upper gingiva is composed of:

A.

The orbicularis muscle

 

B.

The alveolar ridge of the maxilla

 

C.

Mucous membrane

 

D.

Styloglossus, hyoglossus, and hyoid muscles

 

 

3.

The treatment of choice for patients with clinically or radiographically ipsilateral positive neck nodes is:

A.

Bilateral neck dissection followed by ipsilateral postoperative neck irradiation.

 

B.

Ipsilateral neck dissection followed by bilateral postoperative neck irradiation.

 

C.

Node removal and no further treatment is required other than observation.

 

D.

Contralateral prophylactic neck dissection is required.

 

 

4.

If radiation therapy is considered:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Optimal oral hygiene and pretreatment dental care must be completed.

 

II.

Any potential surgical procedures and tooth extractions should be carried out before initiation of radiotherapy.

 

III.

Approximately 8–10 days is needed for complete recovery before initiation of radiation therapy.

 

IV.

After a course of irradiation, caution in tooth extraction or surgical procedure involving the gums is a lifelong commitment.

 

 

5.

Which of the following statements is true about external irradiation of the oral cavity?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The most commonly used technique for carcinoma of the mobile tongue is opposed laterals.

 

II.

A bite block is used to keep the tongue depressed away from the palate.

 

III.

The radiation dose depends on the number of clonogenic cells.

 

IV.

Every attempt should be made to avoid an excessive dose of radiation to the mandible.

 

 

6.

The most common interstitial irradiation technique is:

A.

Percutaneous afterloading with angiocatheters and iridium-192

 

B.

Y-90

 

C.

Manchester system

 

D.

Surface mold

 

 

7.

The best treatment for smaller, more anteriorly situated primary lesions of the oral tongue is:

A.

External radiation alone

 

B.

Interstitial implant or intraoral cone radiation therapy as a boost

 

C.

Interstitial implant only

 

D.

Combined surgery and irradiation

 

 

8.

Which of the following is considered a risk factor for carcinoma of the oral cavity?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Alcohol

 

II.

Smoking or chewing tobacco

 

III.

Human immunodeficiency virus (AIDS)

 

IV.

Vitamin deficiency

 

 

9.

The most common malignancy of the oral cavity is:

A.

Squamous cell carcinoma

 

B.

Lymphoma

 

C.

Malignant melanoma

 

D.

Epidermoid or undifferentiated carcinomas

 

 

10.

The level 2 lymphatic region in the head and neck includes:

A.

The submental and submandibular triangle

 

B.

The upper jugulodigastric

 

C.

Deep jugular nodes of the middle and lower third of the neck

 

D.

Spinal accessory and transverse cervical chains (posterior triangle)

 

 

11.

Which of the following nodes are commonly included in radiation therapy portals of the oral cavity?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The submandibular nodes

 

II.

The subdigastric nodes

 

III.

The submental nodes

 

IV.

The jugulodigastric nodes

 

 


The Oropharynx




1.

The oropharynx is located:

A.

From the level of the hyoid bone to the lower border of the cricoid cartilage, from cervical vertebrae 4 to 6

 

B.

5 mm below the vocal cord and ends at the inferior border of the cricoid cartilage and the beginning of the trachea

 

C.

Between the soft palate and the hyoid bone

 

D.

Anteriorly to the posterior choanae and posterior to cervical vertebrae 1 and 2 and the clivus. Also, superior to the body of the sphenoid and inferior to the soft palate

 

 

2.

The oropharynx is composed of:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The soft palate

 

II.

The tonsillar region

 

III.

The base of the tongue

 

IV.

The pharyngeal wall

 

 

3.

Most oropharynx tumors are:

A.

Melanomas

 

B.

Sarcomas

 

C.

Lymphomas

 

D.

Keratinizing squamous cell carcinoma

 

 

4.

The most common acute irradiation sequela when treating the oropharynx is:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Oropharyngeal mucositis

 

II.

Fibrosis

 

III.

Moderate-to-severe dysphagia

 

IV.

Hearing loss

 

 

5.

Which of the following modalities can be used to treat the base of the tongue?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

External radiation alone (IMRT, conventional)

 

II.

Combined surgery and irradiation

 

III.

Brachytherapy

 

IV.

Chemotherapy

 

 


The Ear




1.

The ear is composed of:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The external ear

 

II.

The middle ear

 

III.

The internal ear

 

IV.

The superficial ear

 

 

2.

Which of the following anatomical parts belongs to the external ear?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The bony labyrinth

 

II.

The tympanic membrane

 

III.

The auditory ossicles

 

IV.

The external auditory meatus (EAM)

 

 

3.

The external ear involves:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The superficial parotid nodes

 

II.

The retroauricular nodes

 

III.

The superficial cervical group nodes

 

IV.

No lymph node involvement

 

 

4.

Basal cell carcinoma is the most common tumor type in what part of the ear?

A.

The auditory canal

 

B.

The middle ear

 

C.

The mastoid area

 

D.

The external ear

 

 

5.

Tumors involving the pinna are best treated with:

A.

Orthovoltage or electron fields

 

B.

Chemotherapy only

 

C.

Surgery

 

D.

High-energy photons (23×)

 

 

6.

The acoustic nerve is responsible for:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Auditory function

 

II.

Temporal muscle function

 

III.

Vestibular function

 

IV.

Mastoid process function

 

 

7.

Which of the following part of the ear does not contain lymphatics?

A.

The external ear

 

B.

The middle ear

 

C.

The internal ear

 

D.

The superficial ear

 

 


The Eye




1.

The retina of the eye is located in:

A.

The outer coat

 

B.

The middle coat

 

C.

The inner layer

 

D.

The lens

 

 

2.

The lens is:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Located posterior to the iris

 

II.

Located anterior to the iris

 

III.

Suspended from the ciliary body

 

IV.

Suspended from the ocular muscles

 

 

3.

Which of the following is the treatment of choice for basal and squamous cell carcinomas of the eyelid?

A.

Surgery

 

B.

Chemotherapy

 

C.

Radiation therapy

 

D.

Brachytherapy

 

 

4.

The most common metastatic sites for tumors of the posterior uvea are:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

In men, the prostate or lung

 

II.

In men, the lung or GI track

 

III.

In women, the bladder or breast

 

IV.

In women, the breast or lung

 

 

5.

An enucleation or exenteration is done for a malignant melanoma of the posterior uvea if:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The tumor exceeds 15 mm in diameter.

 

II.

The tumor exceeds 10 mm in thickness.

 

III.

There is extra-sclera extension at diagnosis.

 

IV.

There are small growing melanomas.

 

 

6.

Which of the following is the most common intraocular malignancy in children:

A.

Malignant melanoma

 

B.

Retinoblastoma

 

C.

Rhabdomyosarcoma

 

D.

Optic glioma

 

 

7.

Which is the most common grouping system used for retinoblastoma?

A.

Reese-Ellsworth classification system

 

B.

TNM staging classification system

 

C.

American Joint Committee staging system

 

D.

Stage A, B, and C

 

 

8.

Which of the following sources has been used on radioactive plaque retinoblastoma therapy?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Cobalt-60

 

II.

Iodine-125

 

III.

Iridium-192

 

IV.

Ruthenium-109

 

 

9.

Which of the following sources is the most common today for radioactive plaque retinoblastoma therapy?

A.

Cobalt-60

 

B.

Iodine-125

 

C.

Iridium-192

 

D.

Ruthenium-109

 

 

10.

Which of the following statements is true about retinoblastoma tumors?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

It is bilateral in one-third of patients.

 

II.

It is unilateral in two-thirds of patients.

 

III.

Most patients with hereditary form have bilateral disease.

 

IV.

The common signs and symptoms are leukocoria (white papillary reflex) and strabismus (squint).

 

 


Salivary Glands




1.

The salivary glands consist of:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The parotid gland

 

II.

The submandibular gland

 

III.

The sublingual gland

 

IV.

The submaxillary gland

 

 

2.

Which of the following is the largest salivary gland?

A.

The parotid gland

 

B.

The submandibular gland

 

C.

The sublingual gland

 

D.

The submaxillary gland

 

 

3.

The most common malignant subtype of parotid tumors in children is:

A.

Mucoepidermoid tumor

 

B.

Adenoid cystic carcinoma

 

C.

Pleomorphic adenoma

 

D.

Astrocytomas

 

 


The Thyroid




1.

Differentiated thyroid cancer consists of:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Papillary carcinoma

 

II.

Mixed papillary-follicular carcinoma

 

III.

Follicular adenocarcinoma

 

IV.

Anaplastic cancer

 

 

2.

Which of the following radioactive isotope is used in the treatment of thyroid cancer?

A.

Iridium-192

 

B.

Iodine-131

 

C.

Iodine-125

 

D.

Palladium-103

 

 

3.

Which of the following statements about thyroid cancer is true:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Thyroid cancer is uncommon.

 

II.

Thyroid cancer is more common in females than males.

 

III.

There is higher risk after irradiation.

 

IV.

Incidence is lowest in children.

 

 

4.

The thyroid gland is composed of:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The right lobe

 

II.

The pyramidal lobe

 

III.

The left lobe

 

IV.

The isthmus

 

 

5.

Which of the following modalities best demonstrates thyroid function?

A.

Nuclear medicine

 

B.

CT

 

C.

MRI

 

D.

Ultrasound

 

 


Unusual Nonepithelial Tumors of the Head and Neck




1.

Which of the following tumors are considered unusual nonepithelial tumors of the head and neck?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Hemangiopericytomas

 

II.

Chordomas

 

III.

Esthesioneuroblastomas

 

IV.

Extramedullary plasmacytomas

 

 


11.3 The Thorax (Questions)



The Breast




1.

Which of the following is considered early-stage breast cancer?

A.

Tis, T1, and inflammatory only

 

B.

Tis to T3 only

 

C.

Tis, T1, T2 only

 

D.

T4 and recurrent only

 

 

2.

In the United States, the most common malignancy and the second most common cause of mortality in females is:

A.

Colorectal cancer

 

B.

Breast cancer

 

C.

Lung cancer

 

D.

Skin cancer

 

 

3.

Risk factors associated with breast cancer include:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Sex

 

II.

Genetic factors

 

III.

Diet

 

IV.

Endocrine factors

 

 

4.

The mammary gland lies:

A.

Over the pectoralis major muscle from the second to the sixth rib and from the sternum to the anterior or midaxillary line

 

B.

Over the pectoralis minor muscle from the first to the twelfth rib and from the sternum to the anterior or midaxillary line

 

C.

Under the pectoralis major muscle from the second to the sixth rib and from the sternum to the midaxillary line

 

D.

Over the pectoralis minor muscle from the second to the sixth rib and from the sternum to the anterior or midaxillary line

 

 

5.

Which of the following statements is true about breast cancer?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

The lymphatic of the breast drains mainly superiorly and laterally.

 

II.

The supraclavicular and internal mammary nodes are occasionally involved.

 

III.

Metastases to the internal mammary nodes are more frequent form inner quadrant and central lesions.

 

IV.

Vascular invasion and hematogenous metastases to the lungs, pleura, bone, and brain occur even with small tumors.

 

 

6.

Most of the carcinomas of the breast occur in the:

A.

Upper inner quadrant

 

B.

Lower inner quadrant

 

C.

Lower outer quadrant

 

D.

Upper outer quadrant

 

 

7.

Breast cancer spreads via:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Lymphatic vessels

 

II.

Blood vessels

 

III.

Direct invasion

 

IV.

Mammary ducts

 

 

8.

The best modality in detection of breast cancer is:

A.

PET-CT

 

B.

MRI

 

C.

Mammography

 

D.

CT scan

 

 

9.

The most common type of breast cancer is:

A.

Ductal carcinoma in situ (DCIS)

 

B.

Invasive (infiltrating) ductal carcinoma

 

C.

Lobular carcinoma in situ (LCIS)

 

D.

Tubular carcinoma

 

 

10.

Strong prognostic factors of breast cancer include:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Tumor size

 

II.

Tumor location

 

III.

Clinical stage

 

IV.

PSA

 

 

11.

Which of the following are genes associated with hereditary breast cancer?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

BRCA3

 

II.

BRCA1

 

III.

BRCA4

 

IV.

BRCA2

 

 

12.

Axillary and supraclavicular nodal irradiation must be performed:

A.

In patients with more than five positive axillary lymph nodes

 

B.

In patients whom axillary dissection could not be performed

 

C.

In patients with more than two or more positive axillary lymph nodes

 

D.

All Tis patients

 

 

13.

Adjuvant chemotherapy for breast cancer must be given to:

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Node-negative patients with tumors less than 2 cm in diameter

 

II.

Postmenopausal patients with positive nodes

 

III.

Premenopausal patients with positive nodes

 

IV.

All patients with positive nodes

 

 

14.

General breast irradiation field borders include:

A.

Superior, head of clavicles; inferior, 2–3 cm below the inframammary fold; medially, 1 cm over midline; lateral, 2 cm beyond palpable breast tissue

 

B.

Superior, acromioclavicular joint; inferior, 1 cm below the inframammary fold; medially, 1 cm over midline; lateral, 2 cm beyond palpable breast tissue

 

C.

Superior, head of clavicles; inferior, 1 cm below inframammary fold; medially, midline; lateral, 2 cm beyond palpable breast tissue

 

D.

Superior, acromioclavicular joint; inferior, 2–3 cm below the inframammary fold, medially, 1 cm over midline; lateral, 1 cm beyond palpable breast tissue

 

 

15.

Which of the following positions is recommended when treating a large pendulous breast?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Prone

 

II.

Lateral decubitus

 

III.

Modified lateral decubitus

 

IV.

Supine

 

 

16.

Which of the following is used for a breast planning to obtain a uniform dose distribution?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Wedges

 

II.

Compensating filters

 

III.

Multileaf collimators

 

IV.

Blocks

 

 

17.

Which of the following irradiation techniques can be used for breast cancer?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 


I.

Medial and lateral tangential fields

 

II.

En face electron boost

 

III.

Interstitial brachytherapy

 

IV.

IMRT

 

 

18.

Physical wedges must be avoided on medial tangent breast beams because:

A.

The sternum is adjacent to the medial border.

 

B.

The wedge can be dropped and injure the patient.

 

C.

The contralateral breast will receive more doses due to scatter.

 

D.

It is too heavy and difficult to position.

 

 

19.

Most common intact breast, supraclavicular, and electron boost doses are:

A.

Breast, 45 Gy; SCV, 50 Gy; electron boost, 10 Gy

 

B.

Breast, 50 Gy; SCV, 45 Gy; electron boost, 10 Gy

 

C.

Breast, 80 Gy; SCV, 50 Gy; electron boost, 10 Gy

 

D.

Breast, 50 Gy; SCV, 45 Gy; electron boost, 45 Gy

 

 

20.

Supraclavicular fields are angled 15–20° to:

A.

Spare part of the spinal cord

 

B.

Spare part of the lung

 

C.

Properly match the breast tangents

 

D.

Get more homogenous dose to the supraclavicular nodes

 

 

21.

Which of the following anatomical parts is commonly blocked during a supraclavicular field irradiation?

A.

I, II, and III only

 

B.

I and III only

 

C.

II and IV only

 

D.

IV only

 

E.

All are correct

 

Jun 12, 2017 | Posted by in GENERAL RADIOLOGY | Comments Off on Radiation Oncology

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