Nasal Polyp With Heterotopic Bone Formation (Osseous Metaplasia): A Case Report

Abstract

Osseous metaplasia is defined by the presence of heterotopic normal bone tissue in a soft tissue. Metaplastic ossification is a rare event in nasal polyps. The authors describe a rare case of bone formation in nasal polyp of a 28-year-old man with chronic right-sided nasal obstruction without history of trauma or allergy symptoms. To our knowledge, this finding has been reported in a few cases in the English medical literature.

Rhinolith in a 13-Year-Old Boy: a Case Report of a Rare Condition

“…In many patients, the diagnosis accidentally follows other radiological examinations. The most important differential diagnoses of rhinolith include tori, impacted teeth, mycolith, odontoma, granulomatous diseases (syphilis and tuberculosis), osteoma, enchondroma, calcified polyps, haemangioma, dermoid, nasal polyp with osseous metaplasia, osteosarcoma, and chondrosarcoma (2,5,6). The complications reported are rhinosinusitis, septal and palatal perforations, recurrent otitis media, and dacryocystitis (2).…”