Extravasation of ionic and nonionic contrast materials is a well-recognized complication of contrast-enhanced imaging studies

Dissecting posterior cerebral artery (PCA) aneurysms are among rare cerebrovascular malformations accounting for 2% to 6% of all aneurysms.

We report a case of hydatid cyst of the knee in a 34-year-old man who was admitted with inability to walk and a painful knee