An Insidious Case of Rapidly Progressive Glomerulonephritis Secondary to Pauci-Immune Crescentic Glomerulonephritis.

Rapidly progressive glomerulonephritis (RPGN) is a severe type of nephritic syndrome that involves progressive loss of kidney function and can lead to significant morbidity and mortality. RPGN has many etiologies, of which pauci-immune crescenting glomerulonephritis (PICGN) is the most common; however, patients often present with nonspecific symptoms, which can lead to a delay in diagnosis and treatment. We describe one such case that was correctly identified only after multiple clinic and hospital encounters.