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
Which of the following condition is characterized by "Golf-hole ureter"? 
Select and explain. 
A. Genitourinary Tuberculosis, B. Ureterocele, C. Vesicoureteric reflux, D. Carcinoma of Bladder
A: Genitourinary Tuberculosis
Answer: A: Genitourinary Tuberculosis 
Explanation: "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.