Fatal Vernix Caseosa Aspiration Associated With Persistent Pulmonary Hypertension of the Newborn.

Vernix caseosa aspiration is an extremely rare condition resulting in high mortality if complicated by persistent hypertension of the newborn (PPHN). Herein we offer the first case report of PPHN due to massive vernix caseosa aspiration documented by histopathological examination. This case report is presented to provide a synopsis of the pathoetiology of PPHN related to vernix caseosa aspiration syndrome as likely to be encountered by neonatologists and general pediatricians involved with neonatal care.