Operative midwifery : a guide to the difficulties and complications of midwifery practice . sequal to pelvis of 8 inches (7*5 centimetres), hut when theconjugate falls below that figure, the difference is even greater. DEFORMITIES OF THE BONY PELVIS 1(57 Pshudo-Malacosteon Rachitic Pelvis. — This variety of pelvicdeformity is very rare. As far as I can remember, I have only seentwo typical examples. Its features will be understood from the illustra-tion (Fig. 90). Presumably it occurs when the disease has run a longcourse, and when it has attacked the walking child. As a naturalconseque
Operative midwifery : a guide to the difficulties and complications of midwifery practice . sequal to pelvis of 8 inches (7*5 centimetres), hut when theconjugate falls below that figure, the difference is even greater. DEFORMITIES OF THE BONY PELVIS 1(57 Pshudo-Malacosteon Rachitic Pelvis. — This variety of pelvicdeformity is very rare. As far as I can remember, I have only seentwo typical examples. Its features will be understood from the illustra-tion (Fig. 90). Presumably it occurs when the disease has run a longcourse, and when it has attacked the walking child. As a naturalconsequence, the weight of the child being supported by the femora,instead of the ischial tuberosities, the sides of the pelvis are pushedin, and the anterior wall projects in the form of a beak. A similardeformity is seen in the malacosteon pelvis, only to a more markedextent, and hence the term pseudo-malacosteon pelvis given to thisvariety of rachitic deformity. Osteomalacic Pelvis.—This is a deformity of the pelvis theresult of the disease mollities ossium or malacosteon. The disease is. Fig. 96.—Pseudo-Malacosteon Pelvis. one of adult life, and attacks both sexes, although women are affectedten or twelve times as often as men. In women it is confined almostentirely to multipara in the period of life when the reproductiveorgans are functionating. It is specially active during pregnancyand the puerperium. A most interesting feature of the disease is thefact that it is prevalent only in certain localities. In England,America, and France, for example, it is extremely seldom seen, whiif;in such areas as the Rhine Valley, the North of Italy, and certaindistricts of Switzerland and Hungary, it may be said to be certainly it is a disease of unsatisfactory housing and improperand defective feeding, but one would think that there must be some-thing more than that, for similarly unhealthy conditions exist in allcountries. A most important contribution to the etiology and
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Keywords: ., bookcentury1900, bookdecade1910, bookpubli, booksubjectobstetrics
