Does epistaxis with an unknown bleeding site originate from the posterior part of the nasal cavity?

CONCLUSION: Epistaxis originating from the anterosuperior nasal cavity and nasopharynx can be easily misdiagnosed as posterior epistaxis or unknown bleeding sites. Areas that should be considered as possible origins of epistaxis in cases with unknown bleeding sites were identified. PMID: 31434601 [PubMed - as supplied by publisher]
Source: Journal of Laryngology and Otology - Category: ENT & OMF Tags: J Laryngol Otol Source Type: research