Gynaecology for students and practitioners . embedding in thetube-wall is shown to the right of the figure. V, Villi which have penetrateddeeply into the wall of the tube ; , Blood clot containing chorionic villi seenin section ; in the centre of the mass is an irregular space representing the amniotic sac. 110 and 111). The condition of the ostium, as will appear later, hasan important clinical bearing. The ability of the Fallopian tube to continue to accommodate thegrowing ovum is by no means certain ; as a matter of fact it fails todo so except in extremely rare instances. It is, however
Gynaecology for students and practitioners . embedding in thetube-wall is shown to the right of the figure. V, Villi which have penetrateddeeply into the wall of the tube ; , Blood clot containing chorionic villi seenin section ; in the centre of the mass is an irregular space representing the amniotic sac. 110 and 111). The condition of the ostium, as will appear later, hasan important clinical bearing. The ability of the Fallopian tube to continue to accommodate thegrowing ovum is by no means certain ; as a matter of fact it fails todo so except in extremely rare instances. It is, however, believedthat genuine cases are on record of gestation continuing to term,or nearly to term, in an unruptured Fallopian tube. Failing this ANATOMY OF TUBAL PREGNANCY 201 event, either the ovum is destroyed, or it escapes from its crampedsurroundings and pursues its development under more favourableconditions. I. Internal Capsular Hsemorrhage. As a result of internal capsularhaemorrhage tubal pregnancy is terminated in one of the following. -^ry Fig. 110. Tubal Mole in situ, laid open by lonc4Itudinal incision of the Tube (Charing Cross Hospital Museum). The mole occupies the inner half of the ampuUary portion of the tube. The abdominal ostium is patent. ways: (1) The formation of a tubal mole; (2) tubal abortion;(3) the formation of a peritubal hsematocele ; (4) the formation of adiffuse hsematocele. (1) The Tubal Mole. This termination to a tubal pregnancy isbrought about by the rupture of maternal blood-vessels caused by theeroding action of the proliferating trophoblastic investment of thechorionic villi. Blood is then poured into the ovum which, becomingover-distended, bursts through the ca-psule. Maternal and foetal blood,and finally the ovum itself, escape into the lumen of the tube. Theresult is a mole consisting of blood-clot, remains of the embryo, andfragments of chorionic villi, all of which form a solid mass which lies in, 202 GYNECOLOGY and distends the lumen of t
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectgynecology, bookyear1
