Fig. 2From: Current imaging techniques for evaluation of fistula in ano: a reviewa Plain X-ray pelvis (AP view) demonstrating gas shadow on the right perianal and gluteal region (white arrow). b X-ray fistulogram (Deshpande’s technique) of the same patient showing abscess cavity filled with radio-opaque contrast extending towards right gluteal region (white arrow) with gas-filled in the rectum (yellow arrow)Back to article page