This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous System, Subject name: Pathology
Foix-Alajouanine disease of the spinal cord is a: 
Select and explain. 
A. Arteriovenous malformation, B. Cavernous malformation, C. Capillary telangiectasia, D. Venous angioma
A: Arteriovenous malformation
Answer: A: Arteriovenous malformation 
Explanation: Ans. (a) Arteriovenous malformation(Ref: Toole's Cerebrovascular Disorders pg 351)Foix-Alajouanine syndrome is an arteriovenous (AV) malformation of the spinal cord predominantly affecting the lower thoracic and/or lumbosacral levels Foix-Alajouanine syndrome usually occurs in older patients (>50 y).