Serial renal biopsy findings in a case of POEMS syndrome with recurrent acute renal failure
2012
This report describes a patient presenting with recurrent acute renal failure occurring in the course of POEMS syndrome, a multisystem disease associated with plasma cell dyscrasia. Several combined immunosuppression therapies failed to resolve recurrent acute renal failure; autologous peripheral blood stem cell transplantation was therefore applied. A renal biopsy was performed on each of four occasions when he developed renal dysfunction. The renal biopsy showed typical renal histology of POEMS, membranoproliferative glomerulonephritis-like lesions and narrowing of vessel lumina of various sizes caused by endothelial injury, which progressed to glomerulosclerosis and vessel occlusion. Recurrent acute renal failure might be caused by ischemia due to arterial occlusion. Serum levels of vascular epithelial growth factor (VEGF), which is considered to be a causative factor of endothelial lesions in POEMS syndrome, were not elevated throughout the course of this case.
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