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Case 1 is a patient of intrathoracic extralobar pulmonary sequestration.At 26 weeks of gestation ultrasonogram demonstrated a mass with multiple cysts and vessels in the left lower lung field.The size of mass decreased during late gestational period, and any respiratory distress did not develop.Case 2 is a patient of bronchial atresia.At 24 weeks of gestation ultrasonogram demonstrated an extremely increased volume and high echogenisity of right lung.At birth a consolidation in the right middle lung field was observed in chest roentgenogram.Thereafter, that portion gradually overinflated, and mild respiratory distress developed.The high echogenisity and the consolidation are thought to be the result of prolonged absorption of vesicular fluid because of bronchial atresia.<BR>Serial fetal ultrasonograms are very useful for the diagnosis of congenital lung lesions and the prognosis of the neonatal respiratory function.
日本小児呼吸器疾患学会の論文