College of American Pathologists

2012 — November Case of the Month

Posted November 6, 2012

CLINICAL SUMMARY: Thyroid gland  

CAP Foundation Online Case of the Month

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A 77-year-old woman presented with stridor and a thyroid mass. At surgery, she had a large ill-defined tumor that involved the entire gland and extended into surrounding strap muscles. A debulking procedure was performed consisting of necrotic and hemorrhagic tumor that grossly replaced the entire gland.

The master list with the correct answer

  • Anaplastic medullary carcinoma
  • Large cell lymphoma
  • Spindle cell sarcoma
  • Spindled melanoma
  • Undifferentiated (anaplastic) thyroid carcinoma (UTC)

Access Case Critique to view:

  • Appropriate diagnosis
  • Critique
  • References

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