A Rare Case of Adult Male Solid-Pseudopapillary Tumor

1 Citations 12 References
  • WATANABE Kazuteru
    Department of Gastroenterological Surgery, Yokohama City University Graduate School of Medicine
  • KUBOTA Toru
    Department of Gastroenterological Surgery, Yokohama City University Graduate School of Medicine
  • KUBOTA Kaori
    Department of Gastroenterological Surgery, Yokohama City University Graduate School of Medicine
  • UEDA Michio
    Department of Gastroenterological Surgery, Yokohama City University Graduate School of Medicine
  • MIURA Yasuhiko
    Department of Surgery, Yokohama Ekisaikai Hospital
  • ENDO Itaru
    Department of Gastroenterological Surgery, Yokohama City University Graduate School of Medicine
  • TOGO Shinji
    Department of Gastroenterological Surgery, Yokohama City University Graduate School of Medicine
  • SHIMADA Hiroshi
    Department of Gastroenterological Surgery, Yokohama City University Graduate School of Medicine
  • SASAKI Takeshi
    Department of Pathology, Yokohama City University Medical Center

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  • 成人男性にみられた膵臓の solid pseudopapillary tumor の1例

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Description

A 41-year-old man with epigastralgia found by CT to have a pancreatic cystic mass was diagnosed by CT and MRCP as having a solid pseudo-papillary tumor (SPT) and underwent distal pancreatectomy. The resected specimen showed a 47×30×43mm solid, cystic mass with calcification in the dense capsule. Solid parts were formed by bleeding and necrotic tissues. Histological examination showed a diffuse sheetlike arrangement of tumor cells having nuclear atypia. Pseudo-papillary clusters and lymphatic invasions had occured in the tumor. These findings suggest aggressive malignant potential. SPTs are reported to be rare and with low malignant potential, and occur mainly in young women. They can, however, occur in men and in all age groups. Complete resection is associated with long-term survival and close follow-up is advisable, particularly when histological examination suggests an aggressive tumor.

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