[Osseous metaplasia in a colonic adenocarcinoma]. / Métaplasie osseuse d'un adénocarcinome colique.

Osseous metaplasia is rare in tumors of the gastrointestinal tract. We report the case of a 76-year-old man presenting with an adenocarcinoma of the transverse colon containing osseous tissue. Calcifications were seen on the abdominal CT-scan. Pathogenesis of the osseous metaplasia is still unknown.