Radiology Key

Name Contents Anatomic location Supraorbital foramen Supraorbital nerve (CN V 1 ) and vessels Frontal bone – superior to the orbit and inferior to the superciliary arch Superior orbital fissure…

Volume Description Gross tumor volume (GTV) Pre-chemotherapy/surgery GTV (GTVp) Contains gross tumor volume as identified on diagnostic imaging prior to chemotherapy and/or surgery Post-chemotherapy/surgery GTV (GTVr) Contains gross tumor volume…

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 Target delineation of GTV1 (red), CTV1 (aqua), GTV2 (green), and CTV2 (purple) in a patient with a left frontotemporal GBM (post-biopsy only) on axial MRI FLAIR sequence (left),…

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…