Pilomatrixoma masquerading as giant chalazion
The present case appears in the journal Ophthalmology.
An 11-year-old girl presented with a rapidly growing upper eyelid lesion. The differential diagnosis included chalazion, epidermoid cyst, hemangioma, rhabdomyosarcoma, pilomatrixoma, abscess, and foreign body reaction.

Pathology revealed a nodular pseudoencapsulated tumor, foci of basaloid cells (B), and necrotic shadow cells (S) that had stimulated an intense foreign body-type granulomatous reaction, consistent with pilomatrixoma.

Typically red in color, periocular pilomatrixoma typically involve the lid above the tarsal plate or the brow of children and adolescents.

This case was unlike previously reported cases as presentation was lower on the anterior tarsus, more closely simulating a giant chalazion

Source: https://pxmd.co/QuXUM
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