<prompt> In shigella dysentry associated hemolytic uremic syndrome, the false statement is ?LeucocytosisNeurological abnormalitiesHepatic failureThrombotic angiopathy  <response>: Ans. is c i.e., Hepatic failure o Hepatic failure does not occur in HUS. Laboratory findings of HUS o Thrombocytopenia o Leukocytosis o ARF r BUN and creatinine with oliguria o Microscopic hematuria o Peripheral smear Helmet cells, burr cells, fragmental RBCs Schistocytes. o Proteinuria o Hemoglobinuria with hemosiderinuria o Normal PT and APTT Option b requires some explanation here ? Though neurological manifestations may occur in HUS, these are not common and this feature differentiated HUS from TTP. In TTP neurological symptom is one of the clinical criteria for diagnosis. 