Vortex Keratopathy in a Patient with Multiple Myeloma

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PurposeWe report a 52-year-old woman with vortex keratopathy (cornea verticillata) of unknown cause in whom multiple myeloma was found 18 months later.MethodsSurgical biopsy of conjunctival crystalline deposits, which were stained immunohistologically and analyzed ultrastructurally, as well as hematologic workup for multiple myeloma, were performed.ResultsLight microscopy of conjunctival deposits revealed plasmacytoid infiltrates in the conjunctiva, which stained monoclonally for immunoglobulin G (IgG)-K light chains. Transmission electron microscopy showed intracellular hexagonal crystalline structures and extracellular microfibrils. Hematologic tests confirmed the diagnosis of multiple myeloma.ConclusionMultiple myeloma is one of the many causes of vortex keratopathy.

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