Seminoma presenting as renal mass, inferior vena caval thrombus, and regressed testicular mass

Valary T Raup1, Michael H Johnson1, Jonathan R Weese1

  • 1Division of Urologic Surgery, Department of Surgery, Washington University School of Medicine, Saint Louis, MO, USA.

Case Reports in Urology
|February 24, 2015
PubMed

Insights

Testicular cancer, a common malignancy in young men, can rarely present with unusual metastatic patterns. This case highlights a rare presentation of testicular seminoma with renal mass and inferior vena cava involvement.

Area of Science:

  • Oncology
  • Urology

Background:

  • Testicular cancer is the most frequent cancer in men aged 15-40.
  • Metastasis typically involves retroperitoneal lymph nodes, progressing to liver, lung, bone, and brain.
  • Treatment decisions rely on testicular pathology and tumor marker levels.

Purpose of the Study:

  • To report a rare case of testicular seminoma presenting as a renal mass with inferior vena cava extension.
  • To review the diagnosis and management of this unusual presentation.

Main Methods:

  • Case report of a 34-year-old male with back pain.
  • Imaging revealed a right renal mass with tumor extension into the inferior vena cava.
  • Biopsy confirmed seminoma.

Main Results:

  • The patient presented with back pain, initially suspected as a renal mass.
  • Biopsy confirmed the mass as testicular seminoma with unusual metastatic spread.
  • This presentation is rare, differing from typical retroperitoneal lymph node involvement.

Conclusions:

  • Testicular seminoma can present with rare metastatic patterns, including renal masses and inferior vena cava invasion.
  • Early diagnosis and appropriate management are crucial for favorable outcomes.
  • Further research into rare presentations of testicular cancer is warranted.

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