Two Cases of Pediatric Colorectal Cancer

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  • Sugita Koshiro
    Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University
  • Kawano Takafumi
    Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University
  • Moriguchi Tomoe
    Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University
  • Onishi Shun
    Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University
  • Ikee Takamasa
    Department of Pediatric Surgery, Saiseikai Sendai Hospital
  • Kodama Yuichi
    Department of Pediatrics, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University
  • Nishikawa Takuro
    Department of Pediatrics, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University
  • Okamoto Yasuhiro
    Department of Pediatrics, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University
  • Kaji Tatsuru
    Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University
  • Ieiri Satoshi
    Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University

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Other Title
  • 異なる経過をたどった小児大腸癌の2例
  • 症例報告 異なる経過をたどった小児大腸癌の2例
  • ショウレイ ホウコク コトナル ケイカ オ タドッタ ショウニ ダイチョウガン ノ 2レイ

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<p>We experienced treating two patients with colonic cancer diagnosed at school age and adolescence. Neither patient had a family history of cancer. [Case 1] A 14-year-old boy presented with the chief complaints of appetite loss and weight loss. He was referred to our hospital because of anemia and abdominal tumor noted on computed tomography (CT) images. Enhanced CT showed a circumferential elevated lesion in which the lumen was completely occluded along with multiple polyps. Left hemicolectomy and D2 + paraaortic lymph node dissection were performed. The resected tumor was diagnosed as adenocarcinoma, and the pathological stage was IV. Subsequently, chemotherapy was performed. However, he died one year after the operation owing to recurrence and metastasis. [Case 2] A 10-year-old boy presented with the chief complaints of bloody stool and abdominal pain. He was referred to our hospital owing to a diagnosis of intussusception based on contrast-enhanced CT findings. Emergency laparoscopic exploration was performed to assess the tumor. The tumor was suspected to be malignant lymphoma, and local excision was performed. The pathological diagnosis was mucinous carcinoma. Laparoscopic left hemicolectomy and lymph node dissection of D3 were performed similarly to the treatment of adult colon cancer. The final pathological diagnosis was stage IIIb, and chemotherapy was performed. The patient experienced no recurrence for two years after operation. [Conclusion] Colorectal cancer in children is extremely rare, but it is necessary to identify it correctly when gastrointestinal symptoms are prolonged.</p>

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