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Endodermal sinus tumor (yolk sac tumor) of the ear.

Endodermal sinus tumors (yolk sac tumors) are malignant germ cell tumors that usually arise in the gonads. We report what is, to our knowledge, the first known case of an endodermal sinus tumor of the ear. The tumor was present in a developmentally delayed child with an abnormal temporal bone and exhibited histopathologic and immunocytochemical features identical to those of endodermal sinus tumors of gonadal origin. The tumor resolved after chemotherapy, and the patient remained alive without evidence of disease at the time of this writing. The purpose of this report is to add a rare tumor to the differential diagnosis of neoplasms of the ear in children and to familiarize otorhinolaryngologists and head and neck surgeons with its pathologic features and clinical management.

Antineoplastic Combined Chemotherapy Protocols↗

Surgery in ovarian cancer.

Ovarian cancer has the highest mortality of the cancers of the female genital tract. The signs and symptoms of ovarian cancer are either nonexistent or nonspecific. Women who are to undergo exploratory laparotomy without a definite diagnosis should have ovarian cancer considered as part of the differential diagnosis. Therefore, it is important that each surgeon know the current concepts of surgery for ovarian cancer. Documenting true extent of disease in those cases with limited ovarian cancer prevents the need for reexploration before adjuvant therapy. In those cases of disseminated disease, an attempt at tumor reduction should be undertaken, as reduction of tumor aggregates to less than 1.6 cm in greatest diameter improves prognosis. Surgery is the mainstay of therapy for ovarian cancer. Optimal initial surgery prevents the need for reexploration.

Adenocarcinoma↗