This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Medicine
Coomb&;s positive hemolytic anemia associated with - 
Select and explain. 
A. TTP, B. PAN, C. SLE, D. HUS
C: SLE
Answer: C: SLE 
Explanation: <p>Warm antibody autoimmune hemolytic anemia may occur as a complication of an underlying disease of immume system such as SLE.In this condition ,human red cells are coated with Ig G antibodies which are reactive at room temperature.In SLE, direct & indirect coomb&;s test will be positive suggesting presence of warm antibodies on the red cell, best detected at 37 degree celsius .</p><p>Harsh mohan textbook of pathology sixth edition pg no 312</p>