%0 Journal Article %T Osseous Metaplasia in Rectal Polyp: A Case Report with Review of Probable Pathogenesis %A Azar Naimi %A Mehrdad Hosseinpour %J Archive of "Advanced Biomedical Research". %D 2018 %R 10.4103/abr.abr_169_16 %X Heterotopic bone formation is a rare event in gastrointestinal lesions, especially in the pediatric population. Osseous metaplasia is exceedingly rare in colonic polyps. We present a case of rectal juvenile polyp with stromal osseous metaplasia in a 10-year-old male child. This histologic finding is very rare in children with colorectal polyps %K Juvenile %K osseous metaplasia %K pediatric %K rectal polyp %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5991274/