Hipertiroxinemia con eutiroidismo clínico: análisis a propósito de un caso / Hyperthyroxinemia and clinical euthyroidism: report of one case
Rev. méd. Chile
;
127(2): 197-201, feb. 1999.
Article
in Spanish
| LILACS
| ID: lil-243779
ABSTRACT
The association of hyperthyroxinemia and euthyroidism is frequent and characterized by high plasma thyroxin concentrations, normal TSH values and absence of clinical signs of hyperthyroidism. We report an asymptomatic 28 years old male presenting with a serum total plasma thyroxin of 18.5 µg/dl (N 6.1-12.5), a free thyroxin of 2.9 ng/dl (N 0.8-1.4), a TSH of 3.4 µIU/ml (N 0.5-5), and a triiodothyronine of 128 ng/dl (N 80-180). Laboratory assessment did not find high thyroxin binding globulin, albumin or prealbumin concentrations or antithyroxin antibodies. The thyroxin binding capacity of albumin was elevated to 58.2 µg/dl (N 11.5-34.1). TSH responded normally to TRH stimulus and was suppressed with exogenous triiodothyronine, which caused an hyperthyroid syndrome. We concluded that this patient had a familial dysalbuminemia
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Index:
LILACS (Americas)
Main subject:
Euthyroid Sick Syndromes
/
Hyperthyroxinemia
Type of study:
Diagnostic study
Limits:
Adult
/
Humans
/
Male
Language:
Spanish
Journal:
Rev. méd. Chile
Journal subject:
Medicine
Year:
1999
Type:
Article
Affiliation country:
Chile
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