<prompt> Coombs positive hemolytic anemia is associated with -TTPMalignant hypeensionSLEHUS  <response>: Coombs ve is seen in immune hemolytic anemias like in SLE, Scleroderma While in HUS ,TTP ,Malignant htn hemolysis is due to microangiopathy causing trauma to RBCs. Ref: Robbins 9e vol 1 pg 643-644 