This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
A patient presents with thrombocytopenia, eczema and recurrent infection - 
Select and explain. 
A. Wiskott - Aldrich syndrome, B. Digeorge syndrome, C. Agammaglobulinemia, D. SCID
A: Wiskott - Aldrich syndrome
Answer: A: Wiskott - Aldrich syndrome 
Explanation: Wiskott-Aldrich syndrome is X linked disease. - characterised by eczema, thrombocytopenic purpura and recurrent infections. Affected boys do not survive first decade of life, death due to infection, hemorrhage and lymphoreticular malignancy. - CMI undergoes progressive deterioration associated with cellular depletion of thymus and the paracoical areas of lymph nodes. Reference : Anathanarayan & paniker's 9th edition, pg no: 174 <\p>