A textbook of obstetrics . pinkish color,due to the thickeneddecidua, which pre-vents the true color ofthe organ from ap-pearing. Very oftenthere are organizedclots, showing a pre-vious hemorrhage intothe placenta or theoccurrence of throm-bosis in the lacunas ;or else there may befound nodes2 of agreater or less extent,lamellated in structure and undergoing degenerative changes inthe central portions. Often, too, there is extensive calcareousdegeneration. The consequence of syphilitic disease of the placenta isusually disastrous to the fetus and often dangerous to the cellular infi
A textbook of obstetrics . pinkish color,due to the thickeneddecidua, which pre-vents the true color ofthe organ from ap-pearing. Very oftenthere are organizedclots, showing a pre-vious hemorrhage intothe placenta or theoccurrence of throm-bosis in the lacunas ;or else there may befound nodes2 of agreater or less extent,lamellated in structure and undergoing degenerative changes inthe central portions. Often, too, there is extensive calcareousdegeneration. The consequence of syphilitic disease of the placenta isusually disastrous to the fetus and often dangerous to the cellular infiltration of the villi obliterates the blood-vesselswithin them, and consequently abrogates their functions. Thesame effect may be produced by the hyperplasia of the deciduasi rotina and the consequent encroachment of the decidual tissueupon the intervillous blood-spaces, or the destruction of the villimay be brought about by tin formation of the nodular massesthat have been noticed. All these processes, if, as is the rule,. Fig. 93.—Syphilitic disease of the placenta, showingFrankels disease. 1 Charpentier, Syph. h6r6ditaire, 1870, Presse Med. Beige, No. , Studien Elber Erkrankungen der Placenta, etc., Tubingen, 1885. THE PLACENTA. 12/ the}- invade the whole area of the placenta, must, of necessity, befatal to the fetus. The endometritis placentaris that is often aprominent feature of placental syphilis may prove dangerousto the mother by so matting the layers of the decidua serotinatogether as to occasion a close adherence of the placenta to theuterine wall, thus subjecting the woman to the perils of hemor-rhage, septicemia, or inversion of the uterus that are incidentalto adherent placent;e. The accurate diagnosis of placental syphilis is impossibleduring pregnane}. The condition may be inferred with con-siderable certainty, however, should a history of syphilitic infec-tion be obtained from either parent. The treatment will be referred to later under the head ofFe
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