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Related Experiment Videos

Hypothyroidism caused by a nonvisible lingual thyroid.

Alon Grossman1, David Olonovski, Erez Barenboim

  • 1Israeli Air Force Aero Medical Center, Tel Hashomer, Israel. alon2209@012.net.il

Head & Neck
|October 28, 2004
PubMed
Summary

Lingual thyroid, a rare developmental anomaly, was diagnosed in a 32-year-old presenting with chronic cough. Treatment with L-thyroxine resolved symptoms, highlighting a unique late-onset presentation.

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Area of Science:

  • Endocrinology
  • Developmental Biology

Background:

  • Lingual thyroid is a rare congenital anomaly resulting from the thyroid gland's failure to migrate to its normal cervical position.
  • This condition often presents in childhood with hypothyroidism or localized symptoms.

Observation:

  • A 32-year-old patient presented with a chronic cough, leading to the diagnosis of lingual thyroid.
  • Investigations revealed elevated thyroid-stimulating hormone (TSH) levels, atrophic thyroid lobes, and characteristic uptake at the tongue base on Technetium-99m scan.

Findings:

  • L-thyroxine treatment normalized TSH levels and effectively resolved the patient's chronic cough.
  • The case is notable for the patient's advanced age at diagnosis and the atypical presenting symptom.

Implications:

Related Experiment Videos

  • This case underscores the importance of considering lingual thyroid in adults with unexplained chronic cough and hypothyroidism.
  • It highlights the efficacy of L-thyroxine therapy in managing symptomatic lingual thyroid, even in late-onset presentations.