This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney and ureter, Subject name: Surgery
[{'content': 'Which of the following condition is characterized by "Golf-hole ureter"? \nSelect and explain. \nA. Genitourinary Tuberculosis, B. Ureterocele, C. Vesicoureteric reflux, D. Carcinoma of Bladder', 'role': 'user'}, {'content': 'Answer: A \nExplanation: "Golf-hole ureter" is a characteristic finding in Genitourinary Tuberculosis. It occurs because of the contraction caused by the fibrosis of ureter at the ureteric orifice which leads to widening of its internal opening which gives an appearance of golf hole.', 'role': 'assistant'}]