Zebra bodies are intralysosomal lamellar inclusion bodies. It is accepted as a specific feature of Fabry disease. However, it has been reported in many hereditary and acquired conditions. We are reporting Zebra bodies in the kidneys of cases with Rheumatoid Arthritis and hydroxychloroquine-induced phospholipidosis. Case 1: A 55-year-old male presented with hypertension and renal dysfunction. Serum ANA and anti-CCP antibodies were positive. A kidney biopsy revealed chronic tubulointerstitial nephritis with Zebra Bodies in the podocytes. Genetic analysis was negative for Fabry disease. Case 2: A 34-year-old female with Systemic Lupus Erythematosus on Hydroxychloroquine for a year presented with subnephrotic proteinuria. Serum ANA and anti-dsDNA antibodies were positive. Electron microscopy showed lamellated osmiophilic inclusion bodies in the tubular and visceral epithelial cells. Thus, Zebra bodies are not pathognomonic for Fabry disease and Rheumatoid Arthritis should also be considered in the differential diagnosis, particularly if family or drug history is negative.
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| http://dx.doi.org/10.25259/ijn_392_23 | DOI Listing |
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