A textbook of obstetrics . al cells (deciduo-sarcoma, deciduoma malignum), the latter from the syncytium(carcinoma syncytiale, syncytial cancer). Cancer of the placentalsite, however, is much more common than sarcoma. Gaylord 1 See Schroeder, Lehrbuch, ed. of 1884, p. 450. 2 Archiv f. Gyn., Bd. xi, S. 397. 3 Gaz. med. de Paris, Oct. 14, 1871. 4 Klinik der Geburtsh., 1864. 5 See paper by the writer in Am. Jour. Obstetrics, Dec, 1887. 9 130 PREGNANCY. has collected fifty-five reported Both of these malignantgrowths have a rapid course, ending fatally in from three to sixmonths. Metastase
A textbook of obstetrics . al cells (deciduo-sarcoma, deciduoma malignum), the latter from the syncytium(carcinoma syncytiale, syncytial cancer). Cancer of the placentalsite, however, is much more common than sarcoma. Gaylord 1 See Schroeder, Lehrbuch, ed. of 1884, p. 450. 2 Archiv f. Gyn., Bd. xi, S. 397. 3 Gaz. med. de Paris, Oct. 14, 1871. 4 Klinik der Geburtsh., 1864. 5 See paper by the writer in Am. Jour. Obstetrics, Dec, 1887. 9 130 PREGNANCY. has collected fifty-five reported Both of these malignantgrowths have a rapid course, ending fatally in from three to sixmonths. Metastases are numerous and occur early. A metastaticgrowth of syncytial cancer is possible without a trace of the originaltumor. Schmorl 2 reports a syncytial cancer of the vagina withnumerous metastases, the uterus being healthy. It is supposedthat the original growth was removed with the exfoliation of thedecidua serotina. Other tumors of the placenta are myxomatafibrosa, localized hypertrophies, angiomata,3 and organized throm-. Fig. 94.—Syncytial cancer: Masses of fibrin, A, containing islands of proliferated syncytial cells. boses. Bode and Schmorl 4 report as a tumor of the placenta(fibroma) a fibrous degeneration of a placenta succenturiata. Theyhave collected the reports of thirty placental tumors. Albert () adds six cases to their list. Placental polypi developing on theplacental site after labor are due to a sort of stalactitic dispositionof blood-fibrin on a mass of decidua or a fragment of placenta. 1 Tr. of the Section on Gyn., College of Physicians of Philadelphia, 1S98. 2 Centralbl. f. Gyn., 1896. 3 Albert, Archivf. Gyn., Bd. lvi, H. I, p. 144. 4 Archiv f. Gyn. Bd. lvi, H. I, p. 73. THE PLACENTA. 131
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