. Gynecology : . stomy. When the patient has to some extentregained her strength, the uterus, the lower portion of the rectum, and the broad ligament tissuecan be shelled out as one piece. These growths, while histologically not malignant, remind one of glue. Unless they arecompletely removed, further trouble is liable to occur. NEW GROWTHS 307 NEW GROWTHS OF THE UTERUS MYOMA OF THE UTERUS Uterine fibroids are discrete fibrous growths that develop in the wall of theuterus. These tumors are properly termed fibroids/ myomata, fibromy-omata, or leiomyomata (Mallory). They are constituted of smoot
. Gynecology : . stomy. When the patient has to some extentregained her strength, the uterus, the lower portion of the rectum, and the broad ligament tissuecan be shelled out as one piece. These growths, while histologically not malignant, remind one of glue. Unless they arecompletely removed, further trouble is liable to occur. NEW GROWTHS 307 NEW GROWTHS OF THE UTERUS MYOMA OF THE UTERUS Uterine fibroids are discrete fibrous growths that develop in the wall of theuterus. These tumors are properly termed fibroids/ myomata, fibromy-omata, or leiomyomata (Mallory). They are constituted of smooth muscleand connective-tissue fibers, their histologic composition being similar to that ofthe uterine wall. The relative proportion of muscle and connective tissue variesgreatly in different tumors. In general, the connective-tissue element tends toincrease at the expense of the muscle tissue, as the tumor grows older, a processsimilar to that which takes place in the uterine wall after the child-bearing VN^0^ Fig. 84.—Subserous Myomata. The histogenesis of uterine fibroids is not definitely known. Theories vari-ously ascribe their origin to the muscle cell of the uterus, to the connective-tissuecells of the uterus, to the walls of the blood-vessels, and to misplaced germ etiology is also vague. Numerous examples have been reported whichseem to show that heredity may play some part in their causation. The relativefrequency of fibroids in negroes suggests the influence of race as an etiologicfactor. The theory of abnormal ovarian hormones as a cause has been pre-sented, but not substantiated. There is no doubt that the function of menstrua-tion is the most important definite factor in the causation of fibroids, for theydevelop only during the menstrual era. There seems also to be some relationship 308 GYNECOLOGY between fibroids and the child-bearing function, in that those who have not bornechildren are undoubtedly somewhat more susceptible to myomatous gr
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