Retroconversionをきたしていたovarian immature teratoma腹膜播種性転移の1例

  • 檜垣 一行
    大阪市立総合医療センター外科・消化器外科
  • 水上 健治
    大阪市立総合医療センター外科・消化器外科
  • 平田 早苗
    大阪市立総合医療センター外科・消化器外科
  • 藤本 泰久
    大阪市立総合医療センター外科・消化器外科
  • 山崎 修
    大阪市立総合医療センター外科・消化器外科
  • 奥野 匡宥
    大阪市立総合医療センター外科・消化器外科

書誌事項

タイトル別名
  • A SURGICAL CASE OF PERITONEAL DISSEMINATION WITH RETROCONVERSION OF OVARIAN IMMATURE TERATOMA

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A surgical case of intraabdominal re-recurrent foci of ovarian immature teratoma which had got “transformation” into mature teratoma (retroconversion) is described. The patient was a 26-year-old woman. There was a history of undergoing right salpingo-oophorectomy for a right ovarian tumor and resection of metastatic lesion in the Douglas' pouch when she was 15 years old. Pathological diagnosis was ovarian immature teratoma, and so adjuvant chemotherapy consisting of vincristine, actinomycin D and cyclophosphamide was added. When she was 16 years old, total histerectomy and left salpingooophorectomy were performed for intra-pelvic recurrence. When she was 18 years old, a giant tumor was pointed out in the liver. Since there was no problem in her life and job as a dancer, she has been refusing operation for these eight years. But this time, she made up her mind to accept operation unless certain problems in her life and occupation. Five intraperitoneal tumors were resected. The main tumor resembling a giant hepatic tumor 26×19×13cm in size and other four tumors were considered peritoneal dissemination of the ovarian immature teratoma, and all tumors had already got retroconversion into mature teratoma histologically. She has been well without any recurrence for 15 months after the operation.

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