To report two cases of acute posterior multifocal placoid pigment epitheliopathy after immunization with a recombinant hepatitis B virus vaccine.
Two patients had development of visual loss 3 days to 2 weeks after the booster administration of 20 μg of recombinant hepatitis B virus surface antigen (Engerix-B). In both cases, fundus examination, fluorescein angiograms, and the course of the disease were typical of acute posterior multifocal placoid pigment epitheliopathy. In case 1, 1 week after immunization, the leukocyte count was 10.3×109/L with 24% polynuclear eosinophils (2.47×109/L); in case 2, blood cell counts were normal.
Hepatitis B virus immunization may be a risk factor for acute posterior multifocal placoid pigment epitheliopathy. Molecular mimicry between a retinal pigment epithelium protein and hepatitis B surface antigen could play a role. These cases suggest an immune-mediated retinal pigment epithelium disruption or choroidal vascular occlusions triggered by hepatitis B surface antigen.
Brézin AP, Massin-Korobelnik P, Boudin M, Gaudric A, LeHoang P. Acute Posterior Multifocal Placoid Pigment Epitheliopathy After Hepatitis B Vaccine. Arch Ophthalmol. 1995;113(3):297–300. doi:10.1001/archopht.1995.01100030051021
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