Locally advanced sigmoid colon adenocarcinoma

Case contributed by Mohammad Taghi Niknejad
Diagnosis almost certain

Presentation

Abdominal pain with chronic constipation. A large abdominopelvic mass feeling on physical exam.

Patient Data

Age: 75 years
Gender: Male

Marked asymmetrical increased wall thickness due to tumoral infiltration is present in the sigmoid colon, measuring 13 cm in length, accompanied by pericolic fat stranding and small regional lymphadenopathy. The mass infiltrates the urinary bladder dome.

The gallbladder is not seen due to the prior cholecystectomy.

A few non-enhanced simple cortical cysts are seen in both kidneys. In addition, a 12 mm stone is noted at the lower calyx of the right kidney.

The prostate gland is enlarged.

Case Discussion

Locally advanced sigmoid colon mass; pathology-proven adenocarcinoma.

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