This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
Cirsoid aneurysms most commonly occur in which of the following vessels 
Select and explain. 
A. Aoic arch, B. Splenic aery, C. Saphenous vein, D. Superficial temporal aery
D: Superficial temporal aery
Answer: D: Superficial temporal aery 
Explanation: Cirsoid aneurysms are rare aerio-venous fistulas of the scalp. They are usually congenital in aetiology. In 90% of the patients, the superficial temporal aery is the main supply to the fistula ref - pubmed.com <a href=" <p>