A CASE OF GROWING TERATOMA SYNDROME

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  • Growing teratoma syndromeの1例
  • 症例報告 Growing teratoma syndromeの1例
  • ショウレイ ホウコク Growing teratoma syndrome ノ 1レイ

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Abstract

<p>A 25-year-old man with a left testicular tumor underwent a high inguinal orchiectomy. Histopathological examination of the resected specimen revealed tumors of more than one histological type, mixed forms (seminoma, immature teratoma). Further evaluation revealed no metastasis (pT1N0M0S1 Stage IS).</p><p>Four months after orchiectomy, alpha-fetoprotein (AFP) was elevated.CT scan revealed retroperitoneal masses of recurrent tumor. Although the AFP returned to normal level after four courses of BEP (bleomycin, etoposide and cisplatin), the retroperitoneal lymph nodes continued to grow. He underwent excision of the retroperitoneal lymph node dissection. Histopathological examination of the resected specimen revealed mature teratoma.</p><p>Few reports examined about the development mechanism of growing teratoma syndrome (GTS). We considered that the development mechanism of GTS in this case is induction of differentiation. In this case report, we discuss the development mechanism of GTS based on bibliographical consideration.</p>

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