title: Osseous metaplasia in a juvenile retention polyp: a case report.
abstract: We report a unique case of juvenile rectal polyp occurring in a 15-year-old male which showed osseous (bony) metaplasia on histological examination. The phenomenon is striking on histological examination but it appears to have no clinical significance.
authors.affiliation: Aga Khan University, Pathology & Microbiology, Stadium Road, Karachi, 74800, Pakistan.
authors.forename: Rashida
authors.initials: R
authors.lastname: Ahmed
authors.forename: Zubair
authors.initials: Z
authors.lastname: Ahmad
authors.forename: Asim
authors.initials: A
authors.lastname: Qureshi