Large bowel obstruction

Case contributed by Dr Ian Bickle


Microcytic anaemia. Altered bowel habit. Distended abdomen.

Patient Data

Age: 70 years
Gender: Male

A 4cm tight stenosing rectosigmoid tumor with proximal large bowel obstruction is noted.    The ascending colon measures 7.3cm. Trace of pelvic free fluid.  No free gas. Solid organs normal.  No para-aortic nodes.

Case Discussion

Typical appearances of a colorectal carcinoma presenting with a large bowel obstruction.

The stenosing tumor in the rectosigmoid resulting in a large bowel obstruction.

In this case presenting before perforation.

Surgical findings were consistent with the CT findings.


Moderately differentiated adenocarcinoma. pT4.

No lymphovascular invasion.

Eight lymph nodes: all negative.

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Case information

rID: 51868
Published: 17th Mar 2017
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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