Meibomian gland lipogranuloma
An exam of the eyelid confirms the diagnosis.
Rarely, the Meibomian gland duct may be blocked by a skin cancer. If this is suspected, you may need a biopsy.
Papier A, Tuttle DJ, Mahar TJ. Differential diagnosis of the swollen red eyelid. Am Fam Physician. 2007;76:1815-1824.