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Case Reports
. 1994 Jan;118(1):64-5.

Osseous metaplasia in benign colorectal polyps

G M Groisman  1 , K J Benkov, V Adsay, M R Dische
Affiliations
  • PMID: 8285834
Case Reports

Osseous metaplasia in benign colorectal polyps

G M Groisman et al. Arch Pathol Lab Med. 1994 Jan.

Abstract

We report two unique cases of metaplastic ossification occurring within a tubulovillous adenoma and a juvenile polyp. In both lesions, well-formed bony spicules were present that were adjacent to living epithelial cells. The metaplastic bone revealed vimentin positivity and cytokeratin negativity. The pathogenesis of osseous metaplasia in colorectal tumors remains unclear, but the process seems to have no clinical significance.

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