A Case of Fibrous Pseudotumor in the Scrotum: Challenge for Diagnosis and Testicular Preservation

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  • Hirotake Kodama
    Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
  • Shingo Hatakeyama
    Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
  • Teppei Matsumoto
    Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
  • Toshikazu Tanaka
    Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
  • Hirotaka Horiguchi
    Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
  • Yuka Kubota
    Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
  • Hayato Yamamoto
    Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
  • Atsushi Imai
    Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
  • Takahiro Yoneyama
    Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
  • Yasuhiro Hashimoto
    Department of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
  • Takuya Koie
    Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
  • Chikara Ohyama
    Department of Urology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan

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<jats:p>A paratesticular fibrous pseudotumor is a relatively rare benign disease. Preoperatively diagnosing a fibrous pseudotumor is challenging because distinguishing these masses from malignant tumors on the basis of clinical and radiological findings can be difficult. We present a case of a 28-year-old man who presented with a painless palpable mass in the right scrotum; the fibrous pseudotumor of the tunica vaginalis was treated with organ-sparing surgery. Computed tomography and magnetic resonance imaging revealed paratesticular tumors. Testicular tumor marker levels were within normal limits. We scheduled the patient to undergo tumor biopsy combined with intraoperative rapid diagnosis. Frozen section assessment suggested a fibrous pseudotumor without malignancy. We successfully performed organ-sparing surgery. Testicular-sparing surgery combined with frozen section assessment is primarily used for treating paratesticular fibrous pseudotumors.</jats:p>

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