The Turkish Journal of Pediatrics 2016 , Vol 58 , Num 4
The first childhood case with coexisting Hashimoto thyroiditis, vitiligo and autoimmune hepatitis
Melikşah Keskin 1 ,Şenay Savaş-Erdeve 1 ,Ferda Özbay-Hoşnut 2 ,Erdal Kurnaz 1 ,Semra Çetinkaya 1 ,Zehra Aycan 1
1 Clinic of Pediatric Endocrinology, Dr. Sami Ulus Obstetrics and Gynecology and Pediatrics Training and Research Hospital, Ankara, Turkey
2 Pediatric Gastroenterology Clinic, Dr. Sami Ulus Obstetrics and Gynecology and Pediatrics Training and Research Hospital, Ankara, Turkey
Hashimoto thyroiditis (HT) is the most common pediatric autoimmune endocrine disorder. It results in autoimmune-mediated thyroid gland destruction and is an organ-specific, typical autoimmune disease. The presence of antithyroid antibodies and the typical pattern on ultrasonography indicate the diagnosis. It is also frequently seen together with other autoimmune disorders including type 1 insulin-dependent diabetes, celiac disease, alopecia and vitiligo.

Autoimmune hepatitis (AIH) is a chronic type of liver injury with an immune etiology that can frequently cause end-stage liver disease if left untreated. Autoimmune hepatitis patients may present with hepatitis, and the laboratory tests in the absence of other etiology usually reveal a positive immune serology together with elevated immunoglobulins and abnormal liver histology. It is interesting that HT and AIH are rarely seen together although both have an autoimmune etiology.

14-year-old male who was being followed-up for vitiligo presented with symptoms of a swelling at the neck and fatigue. He was diagnosed with HT after the tests and the liver enzymes were found to be high. The patient was also diagnosed with AIH after tests revealed that the liver enzyme elevation had continued for longer than six months. The thyroid functions and liver enzymes returned to normal and the symptoms decreased after sodium L-thyroxine replacement together with steroid and azathioprine treatment.

We present this case as we believe it is the first pediatric patient diagnosed with HT, AIH and vitiligo. Keywords : Hashimoto thyroiditis, autoimmune hepatitis, vitiligo, autoimmune disorder

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