College of American Pathologists

2011 — November Case of the Month

Posted November 1, 2011


CAP Foundation November 2011 Online Case of the Month

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A 55-year-old man presented with painless enlargement of the left testis. A preoperative ultrasound and subsequent orchiectomy showed 4.5 cm mass in the testis. It was well circumscribed, brown and without necrosis.

The master list with the correct answer

  • Congenital adrenal hyperplasia (adrenogenital syndrome)
  • Large cell calcifying Sertoli cell tumor
  • Leydig cell hyperplasia
  • Leydig cell tumor
  • Malakoplakia
  • Seminoma
  • Yolk sac tumor

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  • Appropriate diagnosis
  • Critique
  • References

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