This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genito Urinary System, Subject name: Radiology
String of beads sign seen in: 
Select and explain. 
A. Gastroduodenal TB, B. Genital TB, C. Spinal tuberculosis, D. IleocaecalTB
B: Genital TB
Answer: B: Genital TB 
Explanation: Ans. b. Genital TBString of beads sign seen:Fibromuscular dysplasiaChr. Pancreatitis (chain of lakes)Small bowel obstructionVaricose bronchiectasisTuberculous salpingitis (Genital TB)