. The Principles and practice of gynecology : for students and practitioners. , the last being three months old at the time ofthe removal of the two dermoid ovaries. Dermoid tumors occur at all ages, from infancy to extreme occasionally are found in children, and are not uncommon inyoung women. Unlike other forms of ovarian cysts which destroy 430 TUMORS, TUBAL PREGNANCY, MALFORMATIONS. life in three or four years, simple dermoids may exist for a lifetimeand give little or no inconvenience. They have been found post-mortem in aged women, who may have had them from the period ofse
. The Principles and practice of gynecology : for students and practitioners. , the last being three months old at the time ofthe removal of the two dermoid ovaries. Dermoid tumors occur at all ages, from infancy to extreme occasionally are found in children, and are not uncommon inyoung women. Unlike other forms of ovarian cysts which destroy 430 TUMORS, TUBAL PREGNANCY, MALFORMATIONS. life in three or four years, simple dermoids may exist for a lifetimeand give little or no inconvenience. They have been found post-mortem in aged women, who may have had them from the period ofsexual maturity and never been aware of their presence. Like othercysts, however, they may at any time undergo suppurative malignantand other degenerative changes and therefore become dangerous. The fluid content of a pronounced dermoid cyst is an oily fat,which is fluid at the temperature of the body, but at a lower tempera-ture, semisolid. The fatty contents are very irritating to the perito-neum, and when a cyst breaks into the peritoneal cavity the epithelial Figure Dermoid ovarian cyst in section, showing inside of cyst-cavity, which contains a lower jawand a fragment of another jaw, with teeth, small fragments of bone, and considerable hair;the upper mass of hair is in the shape of a ball, and is held together by the fatty contents of thecyst, which, at the temperature of the body, is liquid, but becames solid upon exposure to theordinary temperature of the air, that is, about 70° F. elements of it may engraft themselves upon the peritoneum and giverise to secondary growths. 2. Complicated Dermoid Cysts (Teratomata).—In addition tothe dermoid elements mentioned above, dermoid cysts may containother structures of the body, such as bones, teeth, fragments of thebrain, muscle, and cartilage, even an entire finger has been tumors are apt to be of the solid rather than of the cysticvariety, and are called teratomata. The presence of bone and teethdoes not
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