The following sign on X ray neck is seen in which of the following diseases?: (A) Acute epiglottitis, (B) Laryngotracheobronchitis, (C) Laryngomalacia, (D) Acute Bronchiolitis
Answer is B. The given x ray shows 'Steeple sign' due to subglottic narrowing which is characteristically seen in Acute Laryngotracheobronchitis (Croup). Acute epiglottitis- thumb sign on lateral X-ray neck.