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Painless Thyroiditis Presenting with Headache.

Tsubasa Takizawa1, Isao Kurihara2, Norihiro Suzuki1

  • 1Departments of Neurology, Keio University School of Medicine, Japan.

Internal Medicine (Tokyo, Japan)
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Summary
This summary is machine-generated.

This study reports the first case of headache exacerbated by painless thyrotoxicosis. The patient

Keywords:
migrainepainless thyroiditisthyrotoxicosis

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Area of Science:

  • Endocrinology
  • Neurology
  • Headache Medicine

Background:

  • Headache is a recognized symptom of hypothyroidism.
  • The link between thyrotoxicosis (hyperthyroidism) and headache is poorly understood, with limited case reports.
  • The International Classification of Headache Disorders, 3rd edition, mentions thyrotoxicosis-associated headache only in the appendix.

Purpose of the Study:

  • To report a novel case of headache associated with painless thyrotoxicosis.
  • To highlight the potential link between thyroid dysfunction and headache exacerbation.
  • To contribute to the scarce literature on thyrotoxicosis and headache.

Main Methods:

  • Case report of a young male patient presenting with headache and weight loss.
  • Clinical evaluation including brain MRI and blood tests to assess thyroid function.
  • Diagnosis of painless thyroiditis confirmed by negative thyroid-related antibodies and resolution of symptoms with normalization of thyroid hormone levels.

Main Results:

  • The patient presented with a 10-day history of headache and weight loss, alongside confirmed thyrotoxicosis.
  • Brain MRI findings were normal, ruling out other neurological causes.
  • Headache resolved completely as thyroid hormone levels decreased, indicating a direct correlation.

Conclusions:

  • This case represents the first documented instance of headache significantly worsened by painless thyrotoxicosis.
  • Painless thyrotoxicosis should be considered in the differential diagnosis of patients presenting with unexplained headaches.
  • Further research is warranted to elucidate the mechanisms underlying the relationship between thyrotoxicosis and headache.