|Schneider DT, Calaminus G, Wessalowski R, Pathmanathan R, Harms D, Göbel U||Therapy of advanced ovarian juvenile granulosa cell tumors. [+]||Klinische Padiatrie 2002, 214: 173|
|BACKGROUND: Gonadal sex cord-stromal tumors are rare tumors that develop from the gonadal non-germ cell component such as granulosa, Sertoli or Leydig cells. Among these, juvenile granulosa cell tumors (JGCT) constitute the largest subgroup of ovarian sex cord-stromal tumors during childhood and adolescence. In local disease (FIGO stage I), the beneficial role of tumor-ovarectomy is well established. In contrast, life expectancy in patients with advanced JGCT (FIGO stage >/= II) is short even after complete tumor resection. The current literature provides only limited and inconclusive data regarding the value of adjuvant chemotherapy in such patients with advanced disease. PATIENTS AND METHODS: Therefore, we analyzed the patients with FIGO stage >/= II JGCT who were prospectively documented as follow-up patients of the German MAKEI trials for non-testicular germ cell tumors and received the recommended cisplatin-based chemotherapy in an adjuvant setting. From 1988 until 2000, 7 patients (age, 4;2 - 18;11 years, median 14;8 years) were registered. Three patients were stage IIc, one stage IIIa, and three stage IIIc. 5 patients underwent laparatomy with adnectomy, which was complete in only two patients. Two patients received laparoscopic tumor resection, which was incomplete in both. All patients received 4 or 6 cycles of adjuvant cisplatin-based three-agent chemotherapy in analogy to the current therapeutic concept applied in malignant germ cell tumors. One patient with a large tumor and multiple peritoneal metastases additionally received 40 Gy abdominal irradiation. RESULTS: All patients achieved complete clinical remission after initial surgery and adjuvant chemotherapy. 4 out of 7 patients are currently remaining in first continuous complete remission after 15 to 111 months follow-up. One patient developed a metachronous tumor of the contralateral ovary after 126 months follow-up and is still alive but currently in therapy of another recurrence. Another patient suffered a tumor recurrence after 12 months but achieved a second complete remission with cisplatin chemotherapy after a follow-up of currently 4 months. One patient achieved complete clinical remission but suffered a diffuse peritoneal tumor recurrence with massive ascites and finally died as a result of tumor progression. In summary, at the time of this report 6 of 7 patients are alive after a median of 47 (15 - 138) months. CONCLUSION: This analysis clearly demonstrates that advanced JGCT can be successfully treated with surgery followed by adjuvant cisplatin-based chemotherapy. Therefore, this study reveals encouraging therapeutic perspectives in these otherwise fatal tumors that merit further investigation in a prospective cooperative trial.|
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