AI Article Synopsis

  • Solitary fibrous tumor (SFT) is a rare spindle-cell neoplasm commonly found in the pleura, with only 26 documented cases in the thyroid gland.
  • A 60-year-old woman with neck enlargement and dysphagia was diagnosed with malignant SFT after a right hemithyroidectomy, showing markers for malignancy.
  • Due to the rarity of SFTs, treatment options and prognostic outcomes are unclear, though long-term follow-up post-surgery is recommended.

Article Abstract

Solitary fibrous tumor (SFT) is an uncommon spindle-cell neoplasm that most often involves the pleura, rarely occurring in extra-thoracic locations. Twenty-six cases of SFT arising in the thyroid gland have been described. We report a case of a 60-year-old woman presenting an 8-month history of enlargement of the neck associated with dysphagia. The patient underwent a right hemithyroidectomy and SFT of the thyroid was diagnosed. Immunohistochemistry showed positivity for CD34 marker, and the high number of mitoses and the presence of cellular atypia suggested that the tumor was malignant. To our knowledge, this is the second case of malignant SFT of the thyroid gland ever reported. Due to the rarity of these tumors, the indication of adjuvant therapy and prognosis are uncertain. Long-term follow-up after surgical resection seems to be advisable.

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Source
http://dx.doi.org/10.1590/0004-2730000003230DOI Listing

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