Fig. 1 (a) Axial T1-weighted post-contrast MRI demonstrates a homogeneously enhancing meningioma in the frontal falx cerebri causing mild mass effect on the adjacent frontal gyri (arrow). (b) Axial T1-weighted…
Fig. 1 A patient with standard-risk medulloblastoma. This patient was simulated using a 1.5 mm CT slice thickness. Note the coverage of the cribriform plate as part of the target…
Surgical neck management Definition Radical neck dissection En bloc removal of neck levels I–V, sternocleidomastoid, internal jugular vein, spinal accessory nerve (CN XI) Modified radical neck dissection Removal of neck…
Fig. 1 Diagram illustrating oral cavity subsites Oral tongue: The oral tongue is the most common site of carcinoma within the oral cavity. It consists of the anterior two-thirds of…
Fig. 1 Relationship of prostate to surrounding anatomic landmarks on MRI T2-weighted sequences in a patient with clinically organ-confined disease. Left: Coronal view Right: Axial view Four zones can be…
Target volumes Definition and description CTV Breast tissue or chest wall as defined by RTOG Breast Cancer Atlas1, ipsilateral regional lymph nodes2, interconnecting lymphatic drainage routes, and chest wall musculature/skin…
Fig. 1 Composition of the skin. (sq) squamous cells, (b) basal cell, (m) melanocytes, (f) fibroblast, (dc) dendritic cell, (lc) Langerhans cell, (mc) mast cell, (Mc) Merkel cell, (h) hair,…
Fig. 1 Example of soft tissue sarcoma radiotherapy immobilization. (a) A right foot immobilized for a radical course of radiotherapy to the right thigh. Rotation is secured by the mini…
Target volumes Definition and description GTV70 a (the subscript 70 denotes radiation dose delivered) Parotid or submandibular primary: all gross disease on physical examination and imaging Neck nodes: all nodes ≥ 1…
