Hemosiderin in Urine in Paroxysmal Nocturnal Hemoglobinuria

Urine sediment in paroxysmal nocturnal hemoglobinuria: microscopy of hemosiderin clumps in epithelial cells and a hyaline cast during hemolysis.

Editorial team 1 min December 26, 2022

Urine sediment: hemosiderin inclusions in epithelium and cast in PNH, x400

MICROSCOPY OF URINE IN PAROXYSMAL NOCTURNAL HEMOGLOBINURIA (PNH). Amorphous yellowish-brown large and small clumps of hemosiderin crystals in detritus, in renal epithelial cells, and on a hyaline cast in the urine sediment of a patient with paroxysmal nocturnal hemoglobinuria (PNH, Marchiafava-Micheli disease). x400 Source: Mironova I.I. Romanova A.A. - Atlas of Urine Sediments, 2003