College of American Pathologists

2011 — March Case of the Month

Posted March 25, 2011


CAP Foundation March 2011 Online Case of the Month

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A 72-year-old woman with a prominent asymmetric goiter presents to her physician complaining of recent onset of hoarseness and neck pain. Received for intraoperative consultation is a “midline neck mass probably thyroid” measuring 6.0 cm x 4.0 cm x 5.0 cm with attached skeletal muscle. Noted on the cut surface was a fleshy tan mass with indistinct borders, firmly attached to muscle and containing zones of necrosis.

The master list with the correct answer

  • Angiosarcoma
  • Malignant lymphoma
  • Papillary carcinoma of thyroid
  • Riedel thyroiditis
  • Undifferentiated (anaplastic) carcinoma of thyroid

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  • Appropriate diagnosis
  • Critique
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