Chalazion of lid is aEUR'
Chronic lipogranulomatous inflammation Chalazion: Also known as tarsal or meilmmian cyst It is not a cyst. It results from obstruction of a sebaceous gland either meibomian or Zeis. Extravasated lipid material produces a surrounding chronic lipogranulomatous inflammation (Yanoff & Duker Ophthalmology) Acute lesions are treated with hot compresses while chronic chalazia are treated using intralesional coicosteroid (e.g. Triamcinolone acetonide) or by surgical drainage (incision & curettage)
Caseous necrosis
Chronic nonspecific inflammation
Chronic lipogranulomatous inflammation
Liposarcoma