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Pathologic fracture of the femur neck as first manifestation of a minute columnar cell carcinoma of the thyroid gland.
Journal article

Pathologic fracture of the femur neck as first manifestation of a minute columnar cell carcinoma of the thyroid gland.

  • 1999-01-23
Published in:
  • Pathology, research and practice. - 1998
Carcinoma, Papillary
Female
Femoral Neck Fractures
Femoral Neoplasms
Humans
Immunoenzyme Techniques
Middle Aged
Thyroglobulin
Thyroid Neoplasms
Treatment Outcome
English This case report concerns a 64 year-old woman who presented a pathologic fracture of the femur neck. Histologic examination of the performed bone biopsy disclosed the presence of a carcinomatous metastasis with unusual microscopic features. The site of the primary tumor could be unequivocally determined as being the thyroid gland, as immunostaining of the tumor cells showed positivity with anti-thyroglobulin. The thyroidectomy specimen weighed 149 g, was nodular and partially calcified. Exhaustive microscopic examination finally revealed the presence of a minute columnar cell carcinoma, 0.6 cm in diameter, with obvious vascular invasion. This case illustrates well 1) the usefulness of immunostaining with anti-thyroglobulin in cases of bone metastasis with unusual microscopic features and unknown primary, as well as 2) the aggressiveness of this rare type of carcinoma of the thyroid.
Language
  • English
Open access status
closed
Identifiers
Persistent URL
https://sonar.ch/global/documents/93479
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