Two Cases of Testicular Yolk Sac Tumor in Infants Who Underwent Inguinal Radical High Orchidectomy Combined With a Trans-Scrotal Approach

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  • Matsui Mayu
    Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University
  • Harumatsu Toshio
    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
  • Murakami Masakazu
    Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University
  • Nagano Ayaka
    Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University
  • Sugita Koshiro
    Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University
  • Yano Keisuke
    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
  • Kaji Tatsuru
    Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly, Kagoshima University Clinical Training Center, Kagoshima University Hospital
  • 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
  • 経陰囊操作を加え高位精巣摘除術を行った幼児精巣原発卵黄囊腫瘍の2例
  • ケイ インノウ ソウサ オ クワエ コウイセイソウテキジョジュツ オ オコナッタ ヨウジセイソウ ゲンパツ ランオウノウ シュヨウ ノ 2レイ

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Abstract

<p>We treated two cases of testicular yolk sac tumor (YST) in infants, who underwent inguinal high orchiectomy combined with a trans-scrotal approach. [Case 1] A 20-month-old boy presented with swelling of his left scrotum and an elevated serum α-fetoprotein (AFP) level of 1,593 ng/ml. Testicular tumor was suspected, and inguinal radical high orchidectomy combined with a trans-scrotal approach was performed. The removed testis was 26 × 23 mm in size. The normal testicular tissue had been replaced by a simple solid tumor. The pathological diagnosis was YST limited to the testis pathologically. [Case 2] A 20-month-old boy presented with a left scrotum mass and elevated serum AFP level of 668 ng/ml. Testicular tumor was suspected, and inguinal radical high orchidectomy combined with a trans-scrotal approach was performed. The removed testis was 35 × 25 mm in size. The tumor had a multinodular component, and normal testicular tissue was partially recognized. The pathological diagnosis was YST limited to the testis. [Conclusion] In both cases, the tumors were completely resected without rupture or tumor spillage, leading to a diagnosis of stage I germ cell tumor (GCT). Basically, stage I testicular GCT requires no additional treatment and shows a good prognosis, but operative procedures sometimes affect both the postoperative diagnosis and prognosis. Radical orchiectomy with a trans-scrotal approach may be effective to ensure a good patient outcome.</p>

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