Abstract
Objective Epistaxis is common in children, but its cause remains unknown. About half the children who present with epistaxis have prominent vessels on the nasal septum. The aim of this study was to determine the pathological nature of the prominent septal vessels in children with recurrent epistaxis. Methods 4 mm punch biopsies of the nasal septal mucosa were taken from 5 children undergoing nasal cautery under general anaesthesia. Results Histology showed that the prominent vessels were thin-walled arterioles and capillaries with a surrounding inflammatory infiltrate. There was no evidence of venous varicosities or arterial microaneurysms. Conclusion We postulate a mechanism for septal neovascularisation due to chronic low-grade inflammation as a cause for recurrent epistaxis in children.
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