Ataxia telangiectasia is chracterised by all of the following except:: (A) Chronic sinopulmonary disease, (B) Decreased level of a-fetoprotein, (C) Chromosomal breakage, (D) IgA deficiency
Answer is B. Increased levels of a fetoproteins is seen in ataxia telangiectasia. Ref: Harrison's Principles of Internal Medicine, 17th Edition O P Ghai Essential Pediatrics, 6th Edition