2012, Number 2
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ABSTRACTBackground: germ cell tumors of ovary are uncommon and occur most frequently in adolescents. Within the range of germ cell tumors, endodermal sinus tumor occupies the 2 %.
Objective: to describe a new case of endodermal sinus tumor among the existing literature.
Clinical case: a 17-year-old female patient was presented with menstrual disorders; in the abdominal ultrasound was found the presence of an ovarian tumor. The unusual of this case was the quick growth of the tumor in a short time. The patient was operated and followed by oncologists, polychemotherapy treatment was performed and no recidivation was presented.
Conclusion: endodermal sinus tumor in a number of cases occur silently, occasionally detected by ultrasound examination, although most of them, a frequent presentation is abdominal pain which may be intermittent or acute pain, associated with a palpable abdominal or pelvic mass, data that were not collected in this patient. In a 10 % of the acute forms occurs torsion, rupture with or without bleeding, that is why it is important to take into account this disease because it may appears in prepuberal girls and adolescents.
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