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1.
Journal of Clinical Pediatrics ; (12): 199-202, 2017.
Artigo em Chinês | WPRIM | ID: wpr-515142

RESUMO

Objective To explore the early diagnosis and treatment of Van Wyk-Grumbach syndrome (VWGS). Methods The clinical data of a child with VWGS were retrospectively analyzed. The related literatures were reviewed. Results Nine-year-old female presented with growth retardation and obesity for 3 years, combined with breast development for 6 months and vaginal bleeding for 3 month. The level of free thyroxine (FT4) was 0.46 ng/dL and thyrotropin (TSH)>150 mIU/L. The GnRH stimulation test showed that the gonad axis was not activated. The serum prolactin and estradiol were significantly increased. Bone age was delayed. Color Doppler ultrasound showed enlarged uterus and enlarged ovary, and ovarian cyst was seen. Pituitary MRI showed hyperplasia of the pituitary gland. The patient received the treatment of Euthyrox, and 2 months later, thyroid function was back to normal, ovaries were significantly reduced by reexamine of color doppler ultrasound, body weight was reduced by 6 kg, and there was no vaginal bleeding. Three months later, both ovaries returned to normal size, and pituitary MRI showed hyperplasia of adenohypophysis was improved. After 6 months, both of uterus and ovary were turn to normal size, ovarian cyst disappeared, and pituitary MRI showed normal. Conclusions VWGS is a rare complication of severe primary hypothyroidism untreated for long time and it mainly occurs in adolescent girls. Thyroid replacement therapy is effective.

2.
Journal of Leukemia & Lymphoma ; (12): 632-635, 2012.
Artigo em Chinês | WPRIM | ID: wpr-473432

RESUMO

microRNA (miRNA) is a recently discovered class of new noncoding small RNA molecules,they play key regulatory roles in the genesis,development and prognosis of lymphatic and hematopoietic tumours.This review presents the update on miRNA biogenesis,functionary mechanism and their.role in pediatric B-cell lymphoblastic leukemia and lymphoma.

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