[Antierythrocyte antibodies due to ovarian dysgerminoma. A case report].

The case of a 24-year-old woman with fever, abdominal pain and weight loss, is presented. Right ovarian dysgerminoma was diagnosed; group A blood, negative direct Coombs. The search for free serum antibodies was positive, with specificity: auto anti 1, anti P with activity at 37 degrees C. Hysterectomy, appendectomy, omentectomy and retroperitoneal ganglia biopsy, were performed; the latter one showed metastasis. Blood transfusions were given. Thirty days postoperative, the red cell polyagglutination had disappeared, as well as antibodies.