Abstract
The case in the current report was a 27 years old male. He suffered from mental retardation from birth with allotriophagy. He consulted a doctor with chief complaints of anorexia and abdominal distension. CT findings revealed sigmoid wall thickness and a foreign body at the locus, and prominent oral colonic dilation. The patient was admitted as an emergency case under the diagnosis of a foreign body ileus. We performed an abdominal operation and found that a circumferential sigmoid carcinoma and incarceration of a pickled Japanese apricot seed were the cause of the ileus. We performed sigmoidectomy (D2 dissection), and at the same time recovered many various foreign bodies from elsewhere in the a colon. This is the first report in Japan, as far as we know, of colon cancer in a young adult in whom an ileus developed due to incarceration of foreign body.
