Questions

Answers

1. In a patient with a pulmonary nodule characterized as having a high likelihood for malignancy by computed tomography (CT), the next procedure of choice is:

A. positron emission tomography/computed tomography (PET/CT) with fluorodeoxyglucose (FDG)

B. transthoracic needle aspiration or video-assisted thoracoscopy with wedge resection

C. follow-up at frequent intervals (every three months) for two years

D. none of the above

1. B, transthoracic needle aspiration or video-assisted thoracoscopy with wedge resection

2. If a patient who is at high risk for procedure-related morbidity or mortality has a pulmonary nodule characterized as having a low likelihood for malignancy by CT, the next procedure of choice is:

A. PET/CT with FDG

B. follow-up at frequent intervals (three months)

C. thoracoscopy with wedge resection

D. none of the above

2. A, PET/CT with FDG

3. In a patient with a nodule characterized as indeterminate by CT, the next procedure of choice is:

3. A, PET/CT with FDG

4. For a given pulmonary nodule identified on FDG PET, which of the following statements are true? (Choose as many as apply.)

A. Hyperintensity relative to the mediastinal background is considered malignant.

B. Hypointensity relative to the mediastinal background is considered malignant.

C. Hypointensity relative to the mediastinal background is considered benign.

D. none of the above

4. D, none of the above

5. When the standard uptake value (SUV), a semiquantitative measurement of FDG uptake, is evaluated, what is the general cutoff value for differentiation between a benign and a malignant lesion?

A. 2.0

B. 2.5

C. 3.0

D. 3.5

E. 4.0

5. B, 2.5

6. A granulomatous lesion from which of the following diseases can produce a false-positive result in FDG PET?

A. tuberculosis

B. aspergillosis

C. histoplasmosis

D. sarcoidosis

E. all of the above

6. E, all of the above

7. False-negative FDG PET commonly occurs in which of the following malignancies? (Choose as many as apply.)

A. bronchoalveolar cell carcinoma

B. squamous cell carcinoma

C. bronchial carcinoid

D. none of the above

7. A and C

8. True or false: Due to partial volume averaging, a nodule smaller than 7 mm exhibiting an SUV lower than the cutoff value of 2.5 cannot be considered benign.

8. true

9.

Related posts:

Quality Control Cardiac Thyroid Gland and Endocrine System Gastrointestinal Lymphomas Musculoskeletal

Stay updated, free articles. Join our Telegram channel

Join

Full access? Get Clinical Tree