This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
In shigella dysentry associated hemolytic uremic syndrome, the false statement is ? 
Select and explain. 
A. Leucocytosis, B. Neurological abnormalities, C. Hepatic failure, D. Thrombotic angiopathy
C: Hepatic failure
Answer: C: Hepatic failure 
Explanation: 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.