. Gynecology : . terminein just which organ the disease was primary. This is due to the fact that adeno-carcinoma of the uterine and tubal mucosa may exactly resemble adenocar-cinoma originating from the gland inclusions of the germinal epithelium of theovary, the fundamental tissue being in all three cases embryologically identical. NEW GROWTHS 401 Pfannenstiel makes the following statement: It seems probable that whenovarian cancer is associated with cancer of a similar type in distant organs thedisease of the ovary is usually secondary, while it is more commonly primarywhen the associated c
. Gynecology : . terminein just which organ the disease was primary. This is due to the fact that adeno-carcinoma of the uterine and tubal mucosa may exactly resemble adenocar-cinoma originating from the gland inclusions of the germinal epithelium of theovary, the fundamental tissue being in all three cases embryologically identical. NEW GROWTHS 401 Pfannenstiel makes the following statement: It seems probable that whenovarian cancer is associated with cancer of a similar type in distant organs thedisease of the ovary is usually secondary, while it is more commonly primarywhen the associated cancer is in neighboring organs like the tubes or uterus. Ovigenous Tumors of the Ovaries.—There are two forms of ovarian tumors,the dermoids and teratomata, that can be classified neither as parenchymatousnor as stromatogenous, in that they develop from germ-cell elements and con-tain in their structure tissues of all three germinal layers. They are, therefore,very appropriately called ovigenous or Fig. 151.—Serous Cystadenoma of the power of an inclusion of germinal epithelium. The epithelial cells are cylindric, crowdedtogether, irregularly placed, and contain large nuclei. The basement-membrane is absent. Severalof the cells are swollen; their nuclei are large, contain definite nucleoli, and appear like germ cells. Dermoid cysts constitute from 5 to 10 per cent, of all ovarian tumors. Theymay occur only in one ovary or bilaterally. Rarely they are multiple, as manyas eleven having been seen in one ovary and twenty-one in both ovaries (vonFranque). They are practically always monolocular, and ordinarily do notgrow much larger than a mans fist, though occasionally they develop into verj^large tumors. The cysts always contain sebaceous material, which is fluid at the bodytemperature, but thick and doughy when cooled. In one or more parts of the 26 402 GYNECOLOGY wall can be found thickened areas, the so-called dermoid plugs, which, onmicroscopic exa
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