ORL J Otorhinolaryngol Relat Spec
February 2022
Objectives: Sinonasal hamartomas are benign neoplasms composed of disorganized mature tissue elements. Epithelial variants include respiratory epithelial adenomatoid hamartoma (REAH) and seromucinous hamartoma (SMH). Malignant transformation of REAH is rarely reported; however, the malignant transformation of SMH to adenocarcinoma has not been described.
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