Respiratory epithelial adenomatoid hamartoma (REAH) is an uncommon lesion of the upper aerodigestive tract. It usually presents as a nasal or as a sinus or nasopharyngeal mass. The potential danger associated with REAH is the risk of misdiagnosis. Recognition and awareness of this benign lesion is necessary to distinguish it from inverted papilloma and adenocarcinoma. This is important to avoid...

Respiratory epithelial adenomatoid hamartoma (REAH) is a rare and nonneoplastic lesion of upper respiratory tract characterized by an abnormal mixture of tissues which are peculiar to the involved anatomic region. The most common site reported is nasal cavity and its nasopharyngeal origin is extremely rare. The lesion can be confused with a variety of benign and malignant entities. In this arti...

Introduction: This study aims to report a rare case of a respiratory epithelial adenomatoid hamartoma (REAH) of the lateral nasal wall that had initially presented as a fungating mass, similar to that of a sinonasal malignancy, and its complete removal from the lateral nasal wall.   Case Report: We report the case of a 58-year-old woman who presented to us with a chief complaint of recurrent ri...

BACKGROUND To investigate the clinicopathological characteristics of respiratory epithelial adenomatoid hamartoma (REAH) in residents of Southern China and to study the correlation between REAH and Epstein-Barr virus (EBV). METHODS Clinicopathological data of 53 cases of REAH were retrospectively analyzed. The immunoreactivity for CK 7, CK20, CEA, p53, and Ki-67, Alcian blue-periodic acid-Sch...