Case Of the Week (COW) 12 Feb 2017
​Contributed By: 
Dr. Balaji Ayyamperumal
Tanjore medical college
Clinical History: A luggage loader at Dubai airport experienced pain in the calf region preceded by a snapping sound in the leg.

Answer

BIR Case of Week Editors
Prof. N. Kailasanathan, Dr. S. Babupeter, Dr. Iyappan Ponnuswamy