Recovery of the thyroid function in patients with atrophic hypothyroidism and blocking type TSH binding inhibitor immunoglobulin. 1990

K Okamura, and K Sato, and M Yoshinari, and H Ikenoue, and T Kuroda, and M Nakagawa, and H Tsuji, and M Washio, and M Fujishima
Second Department of Internal Medicine, Faculty of Medicine, Kyushu University, Fukuoka, Japan.

The prognosis of atrophic hypothyroidism with blocking type TSH-binding inhibitor immunoglobulin was studied. Among 45 patients (16 males and 29 females) with overt hypothyroidism (serum TSH greater than 40 mU/l) without goitre, thyroid autoantibody to microsomal antigen was positive in 38 or 84.4%, and 4 or 8.9% had TSH-binding inhibitor immunoglobulin, which was shown to be a TSH-stimulation blocking antibody by cAMP production assay using cultured porcine thyroid cells. Thyroidal radioactive iodine uptake was low and thyroid hormone replacement therapy was required. Long-term follow up of 2 patients with strongly positive TSH-binding inhibitor immunoglobulin for 2 to 7 years, however, revealed recovery of the thyroid function after steroid therapy or spontaneously with iodide restriction, respectively, correlating with decrease in both TSH-binding inhibitor immunoglobulin and TSH-stimulation blocking antibody activities. Thyroidal radioactive iodine uptake became normal and histological examination of the thyroid in one patient revealed well-preserved thyroid follicles with lymphocytic infiltration. Recovery of thyroid function can be expected with a decrease in TSH-binding inhibitor immunoglobulin activity in atrophic hypothyroidism, which is not necessarily the end stage of chronic thyroiditis.

UI MeSH Term Description Entries
D007037 Hypothyroidism A syndrome that results from abnormally low secretion of THYROID HORMONES from the THYROID GLAND, leading to a decrease in BASAL METABOLIC RATE. In its most severe form, there is accumulation of MUCOPOLYSACCHARIDES in the SKIN and EDEMA, known as MYXEDEMA. It may be primary or secondary due to other pituitary disease, or hypothalamic dysfunction. Central Hypothyroidism,Primary Hypothyroidism,Secondary Hypothyroidism,TSH Deficiency,Thyroid-Stimulating Hormone Deficiency,Central Hypothyroidisms,Deficiency, TSH,Deficiency, Thyroid-Stimulating Hormone,Hormone Deficiency, Thyroid-Stimulating,Hypothyroidism, Central,Hypothyroidism, Primary,Hypothyroidism, Secondary,Hypothyroidisms,Primary Hypothyroidisms,Secondary Hypothyroidisms,TSH Deficiencies,Thyroid Stimulating Hormone Deficiency,Thyroid-Stimulating Hormone Deficiencies
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D008928 Mitochondria Semiautonomous, self-reproducing organelles that occur in the cytoplasm of all cells of most, but not all, eukaryotes. Each mitochondrion is surrounded by a double limiting membrane. The inner membrane is highly invaginated, and its projections are called cristae. Mitochondria are the sites of the reactions of oxidative phosphorylation, which result in the formation of ATP. They contain distinctive RIBOSOMES, transfer RNAs (RNA, TRANSFER); AMINO ACYL T RNA SYNTHETASES; and elongation and termination factors. Mitochondria depend upon genes within the nucleus of the cells in which they reside for many essential messenger RNAs (RNA, MESSENGER). Mitochondria are believed to have arisen from aerobic bacteria that established a symbiotic relationship with primitive protoeukaryotes. (King & Stansfield, A Dictionary of Genetics, 4th ed) Mitochondrial Contraction,Mitochondrion,Contraction, Mitochondrial,Contractions, Mitochondrial,Mitochondrial Contractions
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D001284 Atrophy Decrease in the size of a cell, tissue, organ, or multiple organs, associated with a variety of pathological conditions such as abnormal cellular changes, ischemia, malnutrition, or hormonal changes. Atrophies

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