Case Of the Week (COW)  01 November 2015
Contributed By: 
Dr. Amarnath Selvaraj
Barnard Institute of Radiology
Clinical History: Headache and nasal blockade for 3 months

Answer

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