XII, B, 2 Mendoza-Guazon: Anatomicopathologic Lesions 59 



lateral margin of the scrotal sac. The large sac and that which 

 is called the scrotal sac are filled with brownish yellow globular 

 masses of a rather firm consistence with some turbid fluid, both 

 being present also in the dilated large intestine. 



Finkelstone and Ellis (17) reported the case of a full-term child 

 with oesophagotracheal fistula. The oesophagus ended in a blind 

 pouch at the fifth tracheal ring from the bifurcation, and at 

 the third tracheal ring from the bifurcation the distal end of the 

 oesophagus opened into the trachea, causing a stricture at this 

 site. Macroscopically they did not find any continuity of the 

 oesophagus between the third and fifth ring, not even a fibrous 

 cord. The stricture, they think, is due to an overgrowth of 

 cells, either endodermal or ectodermal or a combination of the 

 two at the junction of the oesophagotracheal fistula. 



They cite two important theories about this, that of St. Clair 

 Thomson and that of Locee. The first says that it is an arrest 

 of development rather than a pathological process in the foetus, 

 while the second explains it embryologically, that is, that the 

 proximal and distal portions of the oesophagus have different 

 sources of origin. The buccal cavity, pharynx, and upper ex- 

 tremity of the oesophagus develop from the ectoderm, and the 

 intestinal tract, including the distal portion of the oesophagus 

 and respiratory apparatus, develop from the entoderm. Fis- 

 tulous communications between oesophagus and trachea are 

 almost always situated at its bifurcation, and the membrane 

 separating them closes last at this location. 



Autopsy 1577. — In this case the urethra opens near the exterior 

 into a common passage with the rectum. 



Autopsy i062. — This male premature infant lived for about 

 fifteen minutes after delivery. The clinical diagnosis of this 

 case is hydramnios, and at autopsy there was found in the right 

 side of the abdomen partly extending into the left side and into 

 the pelvis and to the liver a greenish, very soft gelatinous mass 

 of about 500 grams in weight. Interaiingled throughout this 

 there are small spherical bodies of 0.5 centimeter in diameter; 

 these have a pale capsule surrounding them and contain a green- 

 ish gelatinous material. Some of these whitish bodies are 

 located beneath the peritoneum over the anterior surface of the 

 left kidnej^ and over the entire abdominal viscera there is a thin, 

 delicate structure. The liver and spleen are adherent to the 

 diaphragm. Over the coils of the small intestine in the right 

 half of the abdomen is a greenish membranous structure binding 

 them together. A similar case w^as autopsied after this series. 



148932 2 



