<prompt> In recurrent chalazion, histopathological examination is done to rule outSebaceous gland carcinomaSquamous cell carcinomaAdenocystic carcinomaBasal cell carcinoma  <response>: A Sebaceous cell carcinoma 430-Nema 6th, 457 - Parson 21stChalazion MALIGNANT CHANGES OCCUR BUT RARE. HOWEVER IN ALL CASES WITH RECURRENCES OR THOSE OCCURRING IN ELDERLY INDIVIDUALS THE LESION SHOULD BE BIOPSIED TO RULE OUT A MEIOBOMIAN CELL CARCINOMA 444-PARSON 21STl A recurring chalazion, histopathological examination to rule out adenocarcinoma of the meiobomiangland 417,430- Nelson 6th. Meibomian gland carcinoma may be seen in elderly people 368-Khurana 5th. Sebaceous gland carcinoma 385 Khurana 5th arising from meibomian glands. However Indian Literature reports the sebaceous gland carcinoma being the commonest malignancy of eyelid followed by basal and squamous cell carcinoma.Common malignant tumours of the eyelidTypeCommon locationClinical featuresSpreadTherapyBasal cell carcinomaMedial canthus lower lidNodule, central ulceration with pearly surface, telangiectasiaLocalResection, radiationSquamous cell carcinomaLower lid, from previous actinic keratosisUlcer with thickened margins, keratosisLocal, lymph nodesResection, radiation cryotheraphySebaceous cell carcinomaUpper lidPapillomatous Nodule resembling chalazion, multifocal, females males, recurrences commonLocal,Intraepithelial lymph nodesResection, cryotheraphy exenterationMalignant melanomaPrevious nevi6 mm size pigmented lesion, vascularization, inflammationLocal, vascular, lymph nodesResection, exenteration 