Thyrotropin secreting pituitary tumours: a cause of hyperthyroidism.
نویسندگان
چکیده
Pituitary thyrotropin excess resulting in hyperthyroidism has been previously reported in only 25 patients, of whom 19 had a pituitary tumour. This report describes a patient in whom a thyrotropin-producing pituitary tumour was associated with triiodothyronine thyrotoxicosis. Hypophysectomy was followed by a prompt fall in serum thyrotropin and a return to a euthyroid state.
منابع مشابه
A Case of Thyrotropin-Secreting Pituitary Adenoma (TSH-oma)
Thyrotropin-secreting pituitary adenomas (TSHomas) are rare tumors and represent about 1-2% of all pituitary adenomas (prevalence is about one case per million) and cause secondary or central hyperthyroidism. The number of reported cases of TSH-omas tripled in the last decade. The increased number of reported cases resulted principally from the introduction of ultrasensitive immunometric assay ...
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Thyrotoxic Periodic Paralysis (TPP) is a rare manifestation of hyperthyroidism characterized by muscle weakness and hypokalemia. Thyroid-Stimulating Hormone (TSH)-secreting pituitary adenoma is a rare cause of hyperthyroidism. Even more rare is the occurrence of TPP as the first manifestation of a TSH-secreting pituitary adenoma. We report a 31-year-old Asian male patient suffering from TPP cau...
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Pituitary tumours are classified by the characteristic clinical syndromes that accompany tumour hormone production. All of the constituent hormone-secreting cell types of the anterior pituitary are capable of undergoing neoplastic change, although it is evident from histochemical analysis that adenomas derived from pure, functional lactotrophs, corticotrophs, somatotrophs, gonadotrophs and thyr...
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Background TSH-secreting tumours are extremely rare case of hyperthyroidism. Most important clinical feature is preserved TSH level in subjects with apparent thyrotoxicosis. Possible misdiagnosis of primary thyroid hyperfunction could lead to mistreatment with anti-thyroid medications. This worsens disease course and outcome. Neurosurgery success rate is limited by tumour size and its extrasell...
متن کاملEctopic thyrotropin secreting pituitary adenoma concomitant with papillary thyroid carcinoma
RATIONALE Ectopic thyrotropin (TSH)-secreting pituitary adenomas are exceedingly rare. To date, there are only 6 cases reported. Here, we describe an even rarer ectopic TSH-secreting pituitary adenoma (TSH-oma) concomitant with papillary thyroid carcinoma. PATIENT CONCERNS A 27-year-old female was admitted to the hospital in 2002 for neck enlargement and palpitation. Thyroid function test sho...
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عنوان ژورنال:
- Journal of neurology, neurosurgery, and psychiatry
دوره 43 12 شماره
صفحات -
تاریخ انتشار 1980