Radiology Key

Bone Metastases Updated by Delnora L. Erickson and Bronwyn R. Stall BACKGROUND What are the top 3 sites of metastatic Dz? Top 3 sites of metastatic Dz: 1. Lung 2….

Brain Metastases Updated by Jason D. Kehrer and Bronwyn R. Stall BACKGROUND What is the most common intracranial tumor? Brain met is the most common intracranial tumor (outnumber primary brain…

Melanoma Updated by Anna O. Likhacheva BACKGROUND What is the incidence of melanoma in the U.S.? ~75,000 cases/yr of melanoma in the U.S. (and rising) What are some risk factors…

Heterotopic Ossification Prophylaxis Updated by Jing Zeng and Michael J. Swartz BACKGROUND What is heterotopic ossification (HO)? HO refers to abnl bone formation outside the skeleton. It often appears after…

Hemangiopericytoma and Solitary Fibrous Tumors Updated by Boris Hristov BACKGROUND Are hemangiopericytomas benign or malignant lesions? Hemangiopericytomas are considered malignant lesions (sarcomatous lesions associated with blood vessels). What is the…

Superior Vena Cava Syndrome Updated by Delnora L. Erickson and Bronwyn R. Stall BACKGROUND What vessels form the SVC? The right and left brachiocephalic veins join to form the SVC….

Vestibular Schwannoma/Acoustic Neuroma Updated by Sarah McAvoy BACKGROUND What is the cell of origin for vestibular schwannomas and acoustic neuromas (ANs)? The Schwann cell of the myelin sheath is the…

Urethral Cancer Updated by Reid F. Thompson BACKGROUND What is the estimated annual incidence of urethral cancer in the U.S.? ~500 cases/yr of urethral cancer in the U.S. Is there…

Ovarian Cancer Updated by Surbhi Grover BACKGROUND In the U.S., where does ovarian cancer rank as a cause of cancer death in women? In the U.S., epithelial ovarian cancer (EOC)…

Pituitary Tumor Updated by Emma B. Holliday BACKGROUND What is the % of pituitary tumors in relation to all primary brain tumors? ~10%–15% of all diagnosed primary brain tumors are…