Benoit G, Lapeyraque AL, Sartelet H, Saint-Cyr C, Le Deist F, Haddad E
Renal granuloma and immunoglobulin M-complex glomerulonephritis: a case of common variable immunodeficiency? [JOURNAL ARTICLE]
Pediatr Nephrol 2008 Aug 12.
Common variable immunodeficiency (CVID) is characterized by reduced serum immunoglobulin levels and recurrent bacterial infections. Granulomatous infiltrations are occasionally found in the lymphoid or solid organs of affected patients, but renal involvement is rare. We present a case of possible CVID with interstitial noncaseating granuloma and immunoglobulin (IgM)-complex glomerulonephritis with a membranoproliferative pattern and with a favorable response to corticosteroids, intravenously administered immunoglobulins (IVIGs) and rituximab. CVID must be included in the differential diagnosis of renal granuloma and should be differentiated from sarcoidosis to ensure appropriate therapy.
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