A variety of symptoms has been reported, such as upper digestive tract bleeding and gastric perforation, but the most frequent ones are vomiting, abdominal distention and abdominal mass 5. Clinical histopatho logic features, as well as surgical approach and disease free were analyzed. Ovarian teratomas is the most common group of ovarian germ cell tumors. Teratoma was the second most frequent of this neoplasms, preceded by stromal tumors and with no deaths reported in a mean followup period of 22. Pdf teratoma inmaduro con gliomatosis peritoneal y embarazo. Sacrococcygeal teratoma is the main extragonadal ger minal neoplasm in childhood. It is usually detected in neonates, and has tendency to become malignant. Ovarian teratomas include mature cystic teratomas dermoid cysts, immature teratomas, and monodermal teratomas eg, struma ovarii, carcinoid tumors, neural tumors. Numerous pitfalls have been described in the us diagnosis of mature cystic teratoma 21. By definition, they contain elements from all three embryological layers.
Scribd is the worlds largest social reading and publishing site. They can be divided into 3 main sub types mature ovarian teratoma immature ovarian teratoma specialized teratoma struma ovarii tumor see also ovarian tumors. Our objectives were to analyze prevalence and outcome of this association, and increase awareness over this pathology. Medline and scopus for all studies published prior to november 30. Dysgerminoma, immature teratoma, yolk salc tumor, and mixed germ cell tumors make up more than 90% of all mogct. Most mature cystic teratomas can be diagnosed at ultrasonography us but may have a variety of appearances, characterized by echogenic sebaceous material and calcification. The cystic mature teratoma, also known as dermoid cyst, has been classified in the group of germinal cells tumors, this. Blood clot within a hemorrhagic cyst can appear echogenic, although a mature cystic teratoma usually demonstrates sound attenuation rather than increased throughtransmission.
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