A full term neonate rapidly develops progressive respiratory distress shortly after birth, lung biopsy done post-mortem reveals the following, what is your diagnosis?: (A) Pulmonary hemorrhage, (B) Pulmonary alveolar proteinosis, (C) Pneumonia, (D) Pulmonary edema
Answer is B. Ans. (b) Pulmonary alveolar proteinosisThe alveoli are filled with a dense, amorphous, protein-lipid granular precipitate, while the alveolar walls are normal.