We wish to present this case because of significant diagnostic criteria not mentioned in previous reports of this rare anomaly and also because the condition was masked by symptoms referable to a suspected enlargement of the thymus gland. We are fortunate in having complete data on the antemortem and postmortem observations. This case falls definitely into the third category of Ballantyne's1 classification.
REPORT OF CASE
History.—Baby E., a boy, lived for eight days. He was a first child and was delivered normally. The symptoms were aerophagia, dyspnea, cyanosis, retraction of the intercostal space and of the suprasternal notch, bubbling of mucus and full and pulsating fontanels. He was unable to swallow or retain food.The infant was referred from the service of Dr. Jacob Walker with a clinical diagnosis of suspected enlargement of the thymus gland. A cursory inspection of the wet roentgen films revealed bilateral lobation of