A Case of Extrarenal Wilms' Tumor During Childhood

  • Nakata Mitsuyuki
    Department of Pediatnc Surgery, Chiba University, School of Medicine
  • Yoshida Hideo
    Department of Pediatnc Surgery, Chiba University, School of Medicine
  • Matsunaga Tadashi
    Department of Pediatnc Surgery, Chiba University, School of Medicine
  • Kouchi Katsunori
    Department of Pediatnc Surgery, Chiba University, School of Medicine
  • Ohtsuka Yasuhiro
    Department of Pediatnc Surgery, Chiba University, School of Medicine
  • Okada Tadao
    Department of Pediatnc Surgery, Chiba University, School of Medicine
  • Sasaki Kou
    Department of Pediatnc Surgery, Chiba University, School of Medicine
  • Takenouchi Ayako
    Department of Pediatnc Surgery, Chiba University, School of Medicine
  • Ohnuma Naomi
    Department of Pediatnc Surgery, Chiba University, School of Medicine

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Other Title
  • 腎外性ウイルムス腫瘍の1例

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Abstract

We report a rare case of extrarenal Wilms' tumor during childhood. A 2-year-old boy was admitted with a right lower abdominal mass. On physical examination, the mass was large, elastic and fixed CT and MRI showed a tumor coverd with a capsule m the pelvis, without calcification and lymph node swelling. The tumor was separated from the right kidney. Preoperative diagnosis was retroperitoneal tumor. Following the operation, the tumor measurement were 95×80×70 mm and it weighed 234 g The histological diagnosis was extrarenal Wilms' tumor with favorable histology. He was treated with Regimen EE-4A chemotherapy and was free of recurrence after 1 yr and 5 mo.

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