Intravascular papillary endothelial hyperplasia of the maxillary sinus extending into the contralateral nasal cavity.

Masahiro NakamuraTakashi AnzaiErina IshimizuKarin AshikawaAyako InoshitaYusuke TakataFumihiko Matsumoto

Published in: European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery (2024)

This case report highlights the diagnostic challenges of IPEH in the sinonasal region and the importance of considering IPEH as a differential diagnosis in patients presenting with nasal obstruction, epiphora, and intermittent epistaxis.

Keyphrases

chronic rhinosinusitis
case report
endothelial cells
coronary artery
high intensity