Cases Blog
Image highlight: Rare osseous metaplasia
Histopathological polyp specimen demonstrating adenomatous surface epithelium and osseous metaplasia with surface osteoclasts
This week's image is taken from a recently published case report by Dr Victoria White of the Department of Colorectal Surgery, Derby City General Hospital, Derby.
A 63-year-old woman, who drank 2 to 3 litres of gin per week, presented with a history of melaena. Colonoscopy revealed her to have a pedunculated ulcerating polyp. Histological examination demonstrated multiple areas of osseous metaplasia within the polyp stroma. Heterotopic ossification in colonic adenomas is a particularly rare phenomenon, with the majority of cases occurring within malignant lesions. The suggested mechanisms for its aetiology still remain unclear. [View full case report and more images]
Posted by Miriam Kingsley at 10:43 Comments (0)
