The complement-mediated thrombotic microangiopathy (TMA), also known as atypical hemolytic uremic syndrome (aHUS), is rare and potentially fatal, presenting as TMA and dysfunction/endothe - lial edema secondary to diffuse disruption of a fluid phase alternat - ing complementary pathways. We report a case of a young woman with postpartum anuric renal failure, TMA and normal levels of AD- AMTS13 with partial clin...