Large abscess ( pus ) drainage

This old lady came to us with swelling in her left lower back for 10 had history of injection in her back two weeks back. She developed painful swelling and redness in her left lower back region with difficulty in was diagnosed as abscess left lower back region which needs incision and drainage under local anesthesia. Patient part painted and anesthesia was infiltrated around the swelling for proper filed block. A stab incision over the swelling was given at the most f