Hormonal and genetical assessment of a Japanese girl with weaver syndrome

Yoko Miyoshi, Masako Taniike, Ikuko Mohri, Sotaro Mushiake, Shigeo Nakajima, Naomichi Matsumoto, Keiichi Ozono
Clinical Pediatric Endocrinology: Case Reports and Clinical Investigations: Official Journal of the Japanese Society for Pediatric Endocrinology 2004, 13 (1): 17-23
We report a case of Japanese girl with a rare disorder of Weaver syndrome, which was characterized by overgrowth with advanced and disharmonic bone age, craniofacial abnormalities, developmental delay, metaphyseal flaring of the long bones and camptodactyly. The patient was delivered at 38 weeks of gestation with a length of 54.2 cm (+ 2.6 SD), a weight of 3805 g (+ 2.5 SD) and an occipitofrontal circumference (OFC) of 35.0 cm (+ 1.1 SD). She manifested hypertonia and flexion contractures in the first few years. She also had submucosal soft cleft palate and difficulty in swallowing and breathing in early infancy. When she was 5 years and 7 months old, her height and weight were 133.3 cm (+ 5.5 SD) and 32.0 kg (+ 5.1 SD), respectively. We could not detect any endocrinological abnormalities for the cause of overgrowth. According to clinical features, Weaver syndrome was suspected and genetical analysis was performed. Fluorescence in situ hybridization (FISH) and direct sequencing analysis showed neither deletion nor point mutation of the nuclear receptor SET-domain-containing protein 1 (NSD1) gene on 5q35, which is responsible for Sotos syndrome. Therefore, we made a diagnosis of Weaver syndrome for this patient and discussed the differential diagnosis in terms of overgrowth syndrome.

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