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The effects of fine-needle biopsy on thyroid hormone levels.

AbstractOBJECTIVE: Our study aim was to investigate the effects of fine-needle biopsy used for thyroid nodules on serum thyroid hormone levels. STUDY DESIGN: A total of 25 patients who had solid nodules of the thyroid gland and normal thyroid hormone levels underwent diagnostic fine-needle biopsy for a nodule of the thyroid gland. METHODS: Venous blood samples were drawn from the cases for measurement of serum total T(3) and T(4), free T(3) and T(4), thyroid-stimulating hormone, and thyroglobulin levels before, immediately after, and 30 minutes after the initial biopsy. RESULTS: Total T(3) and thyroglobulin levels were found to be significantly higher immediately and 30 minutes following fine-needle aspiration biopsy, compared to the baseline levels (P<0.05). CONCLUSION: Preliminary data suggest that thyroid hormone levels show a mean increase of about 20% immediately after fine-needle aspiration. SIGNIFICANCE: The implication of this finding on patient care should be determined on an individual basis.
AuthorsH Cengiz Alpay, Turgut Kalidag, Erol Keles, Irfan Kaygusuz, Sinasi Yalcin, Zeliha Kapusuz (Affiliation: Firat University Medical Faculty, Otorhinolaryngology Department, Elaziğ, Turkey. hayrettincengizalpay at yahoo.com)
JournalOtolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery (Otolaryngol Head Neck Surg) Vol. 136 Issue 6 Pg. 942-5 (Jun 2007) ISSN: 0194-5998 United States
PMID17547984 (Publication Type: Journal Article)
Chemical References
  • Thyroid Hormones
  • Triiodothyronine
  • Thyroxine
  • Thyrotropin
  • Thyroglobulin
Topics
  • Adult
  • Aged
  • Biopsy, Fine-Needle
  • Diagnosis, Differential
  • Female
  • Humans
  • Male
  • Middle Aged
  • Reference Values
  • Thyroglobulin (blood)
  • Thyroid Gland (pathology)
  • Thyroid Hormones (blood)
  • Thyroid Nodule (pathology)
  • Thyrotropin (blood)
  • Thyroxine (blood)
  • Triiodothyronine (blood)