Abstract Intradiploic arachnoid cysts have scarcely been reported in the literature, most reported cases being secondary to trauma. Nontraumatic arachnoid cysts are quite rare and have been reported ...

Normally, the popliteal artery divides into the anterior and posterior tibial (PT) arteries; but rarely it may bifurcate into anterior tibial (AT) and peroneal arteries (PR), the PT being absent or ...

Arachnoid cysts occur in one of the three layers of tissue that surround the brain and spinal cord. Most arachnoid cysts are stable and do not require treatment. They are four times more common in ...