9A01.21
Hordeolum internum
Hordéolo interno
CategoryDefinition
A focal acute pyogenic infection, usually by Staphylococcus aureus, of a meibomian gland, the normal secretion from which into the eyelash follicle is blocked. It presents as an acute inflammatory swelling which may discharge onto the conjunctival surface of the eyelid, or rarely anteriorly through the eyelid skin. It may predispose to formation of a chalazion.
Exclusions
- Chalazion
Index Terms
Hordeolum internumAcute meibomitisInternal hordeolumMeibomian gland abscessHordeolum internum upper eyelidHordeolum internum lower eyelid