Carcinoma Proximal Third of Transverse Colon Presenting as Perforation with Pericolic Abscess

Most common presentation of colonic ca is change in bowel habits, abdominal pain and bleeding per rectum leading to anemia. Sometimes they perforate leading to pericolic abscess on left sided lesions and peritonitis on right sided lesions. We present here a case of 65 years old male presenting with abdominal pain and distension to casualty with no pneumo peritoneum on X-ray erect abdomen showing abscess cavity adjacent to right half of transverse colon and tubular growth with perforation of anterior wall of colon on exploratory laparotomy. This case is being reported for documenting the unusual presentation of carcinoma of right half of transverse colon, presenting as pericolic abscess, due to perforation