ESPE2015 Poster Category 3 Puberty (39 abstracts)
Functional MRI of a Female Teenager of Prada-Willi Syndrome Complicated with Mosaic Turner Syndrome
Wei Wang a , Juan Li a , Ying Sun a , Hui You a , Chao Ma b , Hongmei Song a & Weigang Zhao a
aPeking Union Medical College Hospital, Beijing, China; bPeking Union Medical College, Beijing, China
Background: A patient with both Prader-Willi syndrome and mosaic Turner syndrome is extremely rare. We performed fMRI and euglycaemic-hyperinsulinaemic clamp test for her.
Case presentation: A 17-yr-old girl was diagnosed as Prader-Willi syndrome by her clinical investigations including poor feeding in infancy, hyperphagia, developmental delay, mental disorders, behavior problems, thin upper lip, almond-shaped eyes, acromicria and genital hypoplasia. Maternal uniparental disomy of chromosome 15 was determined by MLPA. Chromosomal analysis showed her Karotype was mosaic 46,XX [26]/45,X [4]. Euglycaemic-hyperinsulinaemic clamp test revealed that M-value was 1.76 mg/Kg per min. Her fasting leptin level was 3.63 ng/ml, while 2 h-post leptin level was 1.94 ng/ml. serum E2 was 28.00 pg/ml and T 0.32 ng/ml,while FSH was 5.34 IU/l and LH 0.45 IU/l. Functional MRI did not show any high activity for thalamus.
Conclusion: Patient with both Prader-Willi syndrome and mosaic Turner syndrome has typical clinical presentations of Prader-Willi syndrome, lower insulin sensitivity and normal activity of thalamus when examined by functional MRI.
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