This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Superficial thrombophlebitis is seen in: March 2005 
Select and explain. 
A. AV fistula, B. Raynaud's disease, C. Buerger's disease, D. Aneurysm
C: Buerger's disease
Answer: C: Buerger's disease 
Explanation: Ans. C: Buerger's disease Risks for superficial thrombophlebitis include: Chemical irritation of the area Disorders that involve increased blood clotting Infection Pregnancy Sitting or staying still for a prolonged period Use of bih control pills Varicose veins Superficial thrombophlebitis may be associated with: Abdominal cancers (such as pancreatic cancer) Deep vein thrombosis Factor V Leiden Prothrombin gene mutation Thromboangiitis obliterans