Gynecology . eing pinchedoff. Then if proliferation takes place a cystadenoma may be formed. To the left the line of demarca-tion between the cortex and the rest of the ovarian stroma is well shown. The papillary process may appear both in the inner lining of the cyst andon the outer surface. In both cases the histologic appearance of the epithelial 336 GYNECOLOGY cells is the same, namely, that of a low, cylinder ciliated epithelium, though thecilia are apt to be wanting in exposed portions of the outer papillary growthsand if they become carcinomatous. The serous cystadenomata, in contrast t
Gynecology . eing pinchedoff. Then if proliferation takes place a cystadenoma may be formed. To the left the line of demarca-tion between the cortex and the rest of the ovarian stroma is well shown. The papillary process may appear both in the inner lining of the cyst andon the outer surface. In both cases the histologic appearance of the epithelial 336 GYNECOLOGY cells is the same, namely, that of a low, cylinder ciliated epithelium, though thecilia are apt to be wanting in exposed portions of the outer papillary growthsand if they become carcinomatous. The serous cystadenomata, in contrast to the pseudomucinous, have a tend-ency to grow in both ovaries, although the process may not be contemporaneous inthe two, a fact that must always be borne in mind by the surgeon. Anotherunfavorable characteristic which the serous cystadenomata possess in com-parison with the pseudomucinous is that they are apt not to be supplied withgood pedicles, but have a tendency to develop through the hilus of the ovary. Fig. 135.—Epithelial Inclusion in the power. A gland-like formation found in the cortex of an ovary which may be the beginning of a cystadenoma of the ovary. between the leaves of the broad ligament. In this confined position they notonly cause more symptoms of pain and pressure, but are more difficult anddangerous to remove. The serous cystadenomata grow more slowly than thepseudomucinous type and do not reach as large a size. The clinical significance of serous cysts depends very much on whether ornot they are papillomatous. The non-papillary variety is usually benign anddoes not recur after operation, but it is possible that an apparently non-papillarycystoma may recur rapidly in cancerous form, the papillary growth having ex-isted microscopically in the wall of the original tumor. NEW GROWTHS 337 The papillary tumors are of more serious clinical importance because of theirgreater tendency to malignant degeneration, and because of the possibility ofimplant
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