Ballooning ileoanal pouch

UK doctors have reported a rare case of a woman who developed a hugely distended abdomen as a complication of surgery she had undergone 30 years earlier.

The 73-year-old had had a colectomy with ileoanal pouch formation when she was in her 40s to treat ulcerative colitis.

About three decades later she presented to hospital with chronic abdominal distension and diarrhoea and reported that she had lost 10kg in the previous year.

Imaging revealed a grossly distended ileoanal pouch and proximal bowel dilation (see image below).

It was not known what had caused the ileoanal pouch to expand to such