. Carnegie Institution of Washington publication. 86 ON THE FATE OF THE HUMAN EMBRYO IN TUBAL PREGNANCY. No. 772. (Dr. Lowsley, New York.) Unruptured tubal mass, 30X20X15 mm. The last period began June 23, 1913, and the bleeding continued for 15 days. Operation, July 9. The specimen, preserved in formalin, came with the ovary attached. The tube is kinked upon itself and shows a disteution in its middle portion, which is filled with a clot of blood, 12 mm. in diameter. There is a second specimen in the bottle which appears to be a portion of the other ovary with a corpus hemorrhagicum in it. Se
. Carnegie Institution of Washington publication. 86 ON THE FATE OF THE HUMAN EMBRYO IN TUBAL PREGNANCY. No. 772. (Dr. Lowsley, New York.) Unruptured tubal mass, 30X20X15 mm. The last period began June 23, 1913, and the bleeding continued for 15 days. Operation, July 9. The specimen, preserved in formalin, came with the ovary attached. The tube is kinked upon itself and shows a disteution in its middle portion, which is filled with a clot of blood, 12 mm. in diameter. There is a second specimen in the bottle which appears to be a portion of the other ovary with a corpus hemorrhagicum in it. Sections were made through both ovaries, through the middle of the enlarge- ment and the distal and proximal ends of the tube. The uterine end of the tube appears to be normal; the lumen is well denned and folds of the mucosa are covered with a beautiful epithelium. The fimbriated end also appears to be normal. Between the folds there is some blood and possibly a little exudate. The clot within is well organized, is fully detached from the tube wall, and shows strands of fibrin running through it. Along these strands are many leucocytes and also rows of trophoblast cells. The scat- tered villi show all stages of 4/ ^«%^ *'?^|jt/ degeneration, but near the surface of the clot a small group of these is covered with an active mass of tropho- blasts. Here there is a pro- nounced syncytium. The clot as a whole peels out of the tube wall very readily, showing that the chorion did not attach itself to any por- tion of its Fio. 13.—Outline of tube with ovary attached (No. 772). X \. No. 773. (Dr. Lowsley, New York.) Unruptured tube, 55X20X15 mm. The specimen, without any history, was given me, hardened in formalin. It is spiral-shaped, as the figure shows. Sections were cut from parts of the tube, which were found filled with an organized clot. At some points the strands of "fibrin" seemed to represent a disintegrating ovum. The uterine end of the tube seems quite nor
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