NCIt synonyms : Eyelid SGC; Sebaceous Gland Carcinoma of the Eyelid;
NCIt definition : A sebaceous gland carcinoma affecting the eyelid. It arises from the meibomian glands,
glands of Zeis, or glands associated with the caruncle. It usually affects elderly
women and is characterized by high rate of local recurrence, regional, and distant
metastases.;