American gynaecological and obstetrical journal. . e papillary growthsand the inextricable coils of epithelial formations exist here in thesame manner as on the right side. The cavity contains considerabledetritus, consisting of white blood corpuscles, detached and de-generated epithelial cells, and more or less distinct red blood cor-puscles. The epithelium does not penetrate the mucous membranein this part of the tube. The muscular coat contains a few areas ofround-cell infiltration of no large extent. In the place mentionedin the macroscopic description, where the tortuous elevation re-semb
American gynaecological and obstetrical journal. . e papillary growthsand the inextricable coils of epithelial formations exist here in thesame manner as on the right side. The cavity contains considerabledetritus, consisting of white blood corpuscles, detached and de-generated epithelial cells, and more or less distinct red blood cor-puscles. The epithelium does not penetrate the mucous membranein this part of the tube. The muscular coat contains a few areas ofround-cell infiltration of no large extent. In the place mentionedin the macroscopic description, where the tortuous elevation re-sembling a dilated vessel is seen on the tube, the peritonaeal surface Microscopic Sections of Papilloma and Carcinoma of the Tubes. 287 presents a very striking appearance. (See Figure 4.) Between theexternal muscular layer and the surface there is an accumulation ofsolid epithelial masses, divided by smaller or larger strings ofconnective tissue which form a network, the meshes of whichare filled by the tumor cells. The tumor cells are many-shaped,. Fig. 4. Microscopic section of L M, Fig. 3 (Case 2). PC, primary carcinoma of tubalmucosa, the wall of the tube with C circular and L longitudinal muscular layers, and BVblood vessels. S, serous coat of tube with SC solid carcinomatous masses in it. mostly roundish with large nuclei (some presenting unmistakablekaryokinetic figures); others are very large cells with one largenucleus, while still others are real giant cells. The epithelial cellsform rounded masses, or appear as rosary-shaped strings with moreor less pronounced constrictions. The large epithelial masses are 288 T. J. I fat kins, in some places arranged in strings along and around capillarieswhich have preserved their endothelium. The latter is seen as asingle line of flattened cells dividing the blood corpuscles from thetumor cells. In other places the endothelial lining has disappeared,so that the blood-space, as it is to be called then, is limited by thetumor cel
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