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Намери се повишена инсулинова секреция при ОГТТ при деца с В и нормални кръвно-захарни криви (n = 24) и при В и АТ (n = 15). Не се откри корелация между промените в IRI и тиреоидната функция. Установихме повишен титър на GAD 65 антитела при 6 деца (18,8 %) и ICA 512 при 2 деца (7,4%). Всички изследвани деца с изключение на едно бяха с нормална кръвна захар и инсулинова секреция. Намери се повишена 17 ОНР секреция (АСТН тест) при 4 деца (33,3 %). Всички изследвани деца бяха с нормални титри на антиадренални антитела.
Нашето проучване показа нарушена тиреоидна функция и автоимунитет, повишена стимулирана инсулинова секреция и островно-клетъчен автоимунитет, както и повишена 17 ОНР секреция (ранен субклиничен адреналит?) при децата с В.
Тиреоидната и β-клетьчната функция и автоимунитет трябва да се изследват в детската възраст при диагностициране на В и най-малко два пъти годишно след това.
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The association between vitiligo (V) and some autoimmune endocrine and systemic diseases is well known. The aim of the present study is to determine the function and autoimmunity in thyroid, pancreatic β-cells and adrenal glands in children and adolescens with V. 61 children and adolescens with V (35 girls and 26 boys) were examined. Goiter was found in 31 children (53,45%), thyroid dysfunction (T4, TSH) in 8 children (13,8%) – hyperthyroidism in 3 and subclinical hypothyroidism in 5 children; hypothyroid answer (TRH test) – in 6 children (27,3%). Antithyroglobulin (ATA) and antimicrosomal antibody (АМА) titers were elevated in 29 children (50%), TBII – in 5 children (15,6%). Ultrasound examination showed picture typical or suspicious for AT in 15 children with V (34,1 %) and typical for Grave's disease (GD) in 2 children (4,5%). Autoimmune thyroid disese has been diagnosed in 32 children with V (52,5 % – AT:GD = 29:3).
Elevated insulin secretion during OGTT was found in children with V and normal blood sugar curves (n = 24) and in V and AT (n = 15). There was no correlation between changes of IRI and thyroid function. GAD 65 antibodies were with elevated titer in 6 children (18,8%) and ICA 512 in 2 children (7,4 %). All except one were with normal blood sugar and insulin secretion. Increased stimulated 17 OHP secretion (ACTH test) was found in 4 children (33,3%). All examined children were with normal titers of antiadrenal antibodies.
Our study showed increased thyroid dysfunction and autoimmunity, increased stimulated insulin secretion and islet cell autoimmunity as well as increased stimulated 17 OHP secretion (early subclinical adrenalitis?) in children with V. Thyroid and β-cells function and autoimmunity should be checked in children with V at diagnosis and least twice a year thereafter.
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