A case of respiratory epithelial adenomatoid hamartoma of the sinonasal tract

Respiratory epithelial adenomatoid hamartoma is a rare, non-neoplastic tumour characterised by an abnormal mixture of tissues that are indigenous to the region. REAH are shiny, polypoid, exophytic masses with a rubbery to firm texture. They may arise and co-exist in the setting of inflammatory polyps. We present a case of a 49-year-old patient who was referred to the department with a clinical diagnosis of chronic nasal sinusitis. Results of post-op histopathological examination show a mild change of the respiratory epithelium requiring, among others, differentiation from inverted papilloma and adenoid carcinoma.