Surgery Today

, Volume 36, Issue 7, pp 655–658 | Cite as

Iliac Lymph Node Metastasis of an Unknown Primary Tumor: Report of a Case

  • Satoru Matsuyama
  • Yuji Nakafusa
  • Masayuki Tanaka
  • Yukie Yoda
  • Daisuke Mori
  • Kohji Miyazaki
Article

Abstract

Metastasis to the lymph nodes around the iliac vessels from cancer of an unknown primary (CUP) tumor has not yet been reported in either the English or Japanese literature and it is therefore described herein for the first time. The patient was a 70-year-old woman with persistent right leg edema. Computed tomography (CT) displayed a mass around the iliac vessels while physical, laboratory, and other imaging examination did not show any other tumor. Preoperatively diagnosed as a retroperitoneal tumor, the patient underwent a tumor resection, but a histopathological examination revealed the tumor to be poorly differentiated squamous cell carcinoma. Only residual lymph nodes in the pelvis were detected by postoperative fluorine-18 fluorodeoxyglucose-positron emission tomography. Neither a primary lesion nor any signs of recurrence were demonstrated for 13 months after radiotherapy for the residual nodes. We herein discuss the diagnosis, treatment, and follow-up of this less common CUP.

Key words

Cancer of unknown primary tumor Iliac lymph node Resection Radiation Positron emission tomography 

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Copyright information

© Springer-Verlag Tokyo 2006

Authors and Affiliations

  • Satoru Matsuyama
    • 1
  • Yuji Nakafusa
    • 1
  • Masayuki Tanaka
    • 1
  • Yukie Yoda
    • 1
  • Daisuke Mori
    • 2
  • Kohji Miyazaki
    • 1
  1. 1.Department of Surgery, Faculty of MedicineSaga UniversitySagaJapan
  2. 2.Department of Pathology, Faculty of MedicineSaga UniversitySagaJapan

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