Abstract
Objective To report the clinical, electrophysiologic, and immunopathologic findings in a patient with progressive retinal degeneration associated with Waldenström's macroglobulinemia. Design Case report with immunohistochemical studies. Methods A 46-year-old female with elevated serum immunoglobulin M (IgM) levels complained of photophobia and photopsias. Complete ophthalmic examinations including electrophysiologic testing and hematologic evaluations were performed over a 3-year period. Immunohistochemical studies to determine the presence of serum antiretinal antibodies were evaluated using confocal microscopy. Results Examination of the patient's fundus remained normal, although there was deterioration in her visual acuity, visual field, and electroretinogram over the follow-up period. Waldenström's macroglobulinemia was diagnosed by bone marrow biopsy. Indirect immunohistochemistry revealed reactivity of the patient's serum against the photoreceptor-connecting cilium. Conclusion The paraneoplastic retinopathy associated with Waldenström's macroglobulinemia in this patient is presumed to result from antibodies of the IgM subtype reacting to proteins in the retinal photoreceptors.
Published Version
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