<prompt> In Shigella dysentery associated hemolytic uremic syndrome, the false statement isLeucocytosisNeurological abnormalitiesHepatic failureThrombotic angiopathy  <response>: Hepatic failure does not occur in HUS.Laboratory findings of HUS Thrombocytopenia ARF BUN and creatinine with oliguria Peripheral smear Helmet cells, burr cells, fragmental RBCs Schistocytes. Hemoglobinuria with hemosiderinuria Leukocytosis Microscopic hematuria Proteinuria 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. 