This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vascular surgery, Subject name: Surgery
[{'content': 'A pt presented with pulsating varicose veins of the lower limb. Most probable diagnosis is - \nSelect and explain. \nA. RHF, B. Tricuspid regurgitation, C. Klippel trenaunay syndrome, D. DVT', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Klippel- Trenaunay Syndrome: is characterized by Congenital AV fistulas Cutaneous hemangiomas Varicose veins Hyperophy of involved extremity The absence of deep venous system (so pathological superficial veins should not be removed without evidence of an intact deep system)', 'role': 'assistant'}]