Appendiceal Adenocarcinoma in Adolescents and Young Adults: A Case Report

  • Koga Shoma
    Department of Pediatric Surgery, Graduate School of Medical Sciences, Kyushu University
  • Kawakubo Naonori
    Department of Pediatric Surgery, Graduate School of Medical Sciences, Kyushu University
  • Kondo Takuya
    Department of Pediatric Surgery, Graduate School of Medical Sciences, Kyushu University
  • Maniwa Junnosuke
    Department of Pediatric Surgery, Graduate School of Medical Sciences, Kyushu University
  • Tamaki Akihiko
    Department of Pediatric Surgery, Graduate School of Medical Sciences, Kyushu University
  • Hamada Hiroshi
    Department of Pediatric Surgery, Graduate School of Medical Sciences, Kyushu University
  • Fukuta Atsuhisa
    Department of Pediatric Surgery, Graduate School of Medical Sciences, Kyushu University
  • Nagata Kouji
    Department of Pediatric Surgery, Graduate School of Medical Sciences, Kyushu University
  • Matsuura Toshiharu
    Department of Pediatric Surgery, Graduate School of Medical Sciences, Kyushu University
  • Tajiri Tatsuro
    Department of Pediatric Surgery, Graduate School of Medical Sciences, Kyushu University

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Other Title
  • AYA世代発症の虫垂原発腺癌の1例
  • AYA セダイ ハッショウ ノ チュウスイ ゲンパツセンガン ノ 1レイ

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<p>The patient was a 17-year-old female who presented with lower abdominal pain. She was initially suspected of having a periappendiceal abscess or an appendiceal tumor, leading to a referral to our hospital for further assessment. A definitive diagnosis was not reached from preoperative test results; however, with the possibility of an appendiceal malignancy in mind, a laparoscopic ileocecal resection was performed. Rapid intraoperative histopathological examination revealed adenocarcinoma, prompting additional procedures, including a D2 lymph node dissection, right adnexectomy, and partial retroperitoneal resection to complete the surgery in a single session. Histopathological examination confirmed invasion up to the muscularis propria with no lymph node metastasis found. Although it is rare, it is crucial to consider the possibility of malignancy in young patients exhibiting atypical progression or imaging findings of appendicitis.</p>

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