“…1 Secondary orbital plasmacytomas have been reported to be a possible indication of multiple myeloma recurrence. 2,3 In the setting of secondary orbital plasmacytoma occurring as the presenting sign of recurrent multiple myeloma, the tumor can be significant, and has been reported to result Orbital Plasmacytoma Mimicking an Orbital Abscess in no-light-perception vision. 4 Rare presentations of orbital plasmacytomas include mimicking a chalazion, mimicking a lacrimal gland tumor, mimicking dacryocystitis, eyelid ecchymosis, angioedema-like eyelid edema, variable ptosis, fungating eyelid lesions, isolated extraocular muscle infiltration, orbital hemorrhage, Tolosa Hunt syndrome, or orbital cellulitis.…”