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TSH-secreting pituitary adenoma

Disease definition

A rare, functioning, pituitary adenoma characterized by the presence of a pituitary mass associated with high levels of circulating, free, thyroid hormones in conjunction with normal to high levels of TSH and unresponsiveness of TSH levels to TRH stimulation and T3 suppression tests, typically manifesting with signs and symtoms of mild to moderate hyperthyroidism (e.g. goiter (most frequently observed), palpitation, excessive sweating, arrhythmia, weight loss, tremor) and/or tumor mass effect (such as headache, visual field defects, hypopituitarism). Occasionally, cosecretion of prolactin and/or growth hormone may cause galactorrhea and/or acromegaly.

ORPHA:91347

Classification level: Disorder
  • Synonym(s):
    • Pituitary thyrotrophic adenoma
    • TSH-oma
    • Thyroid stimulating hormone-secreting pituitary adenoma
    • Thyrotroph adenoma
  • Prevalence: -
  • Inheritance: -
  • Age of onset: -
  • ICD-10: D35.2
  • OMIM: -
  • UMLS: C0346303
  • MeSH: -
  • GARD: -
  • MedDRA: -

Detailed information

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