Abstract
A 13-year-old girl with poor weight gain and pubertal delay was referred for hyperthyroidism. Slightly elevated levels of circulating thyroid hormones failed to suppress circulating thyrotropin (TSH) levels. Despite appropriate thyrotropin-releasing hormone stimulation of TSH secretion, a thyrotropin-secreting pituitary adenoma was identified as the cause of inappropriate TSH secretion.
MeSH terms
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Adenoma / diagnosis
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Adenoma / metabolism*
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Adenoma / surgery
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Adolescent
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Female
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Glycoprotein Hormones, alpha Subunit / blood*
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Humans
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Magnetic Resonance Imaging
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Pituitary Neoplasms / diagnosis
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Pituitary Neoplasms / metabolism*
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Pituitary Neoplasms / surgery
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Thyrotropin / metabolism*
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Thyrotropin-Releasing Hormone
Substances
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Glycoprotein Hormones, alpha Subunit
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Thyrotropin-Releasing Hormone
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Thyrotropin