Hormone research in paediatrics · 2012
Etiologies and clinical presentation of gigantism in Algeria.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Chentli Farida, Azzoug Said, Amani Mohammed El Amine, Haddam Ali El Mahdi, Chaouki Dalal, Meskine Djamila, Chaouki Mohamed Lamine
Аннотация
BACKGROUND/AIMS: True gigantism is an exceptional and fascinating pediatric disease. Our aim in this study was to describe the different etiologies of a large group of children with gigantism and the natural history of their growth.
METHODS: In this multicenter study, we considered as giant children, adolescents and adults whose heights were ≥3 SD compared to their target stature or to our population average lengths. Isolated hypogonadism and Klinefelter syndrome were excluded from this series. All underwent clinical exam, and hormonal and neurological investigations.
RESULTS: From 1980 to 2010, we observed 30 giants: 26 males (86.6%) and 4 females (mean age 19.8 ± 11 years). Among the 13 patients (40.3%) who consulted before the age of 16 years, 9 had acromegaly and 6 had mental retardation and body malformations. Based on growth hormone (GH) secretion evaluation, 2 groups were observed: pituitary gigantism (n = 16): GH = 150 ± 252 ng/ml (n ≤ 5), and other causes with normal GH (0.7 ± 0.6 ng/ml): 6 Sotos syndrome and 8 idiopathic cases. Only the first group had neurological, ophthalmological, metabolic and cardiovascular complications and received treatment. The result was not optimal as GH normalization was not observed. Reduction of tumor size and decreased GH plasma values were not observed.
CONCLUSION: Gigantism predominates in males. The main cause is GH excess. The diagnosis was very late except for cerebral gigantism. Complications were observed in pituitary gigantism only.
METHODS: In this multicenter study, we considered as giant children, adolescents and adults whose heights were ≥3 SD compared to their target stature or to our population average lengths. Isolated hypogonadism and Klinefelter syndrome were excluded from this series. All underwent clinical exam, and hormonal and neurological investigations.
RESULTS: From 1980 to 2010, we observed 30 giants: 26 males (86.6%) and 4 females (mean age 19.8 ± 11 years). Among the 13 patients (40.3%) who consulted before the age of 16 years, 9 had acromegaly and 6 had mental retardation and body malformations. Based on growth hormone (GH) secretion evaluation, 2 groups were observed: pituitary gigantism (n = 16): GH = 150 ± 252 ng/ml (n ≤ 5), and other causes with normal GH (0.7 ± 0.6 ng/ml): 6 Sotos syndrome and 8 idiopathic cases. Only the first group had neurological, ophthalmological, metabolic and cardiovascular complications and received treatment. The result was not optimal as GH normalization was not observed. Reduction of tumor size and decreased GH plasma values were not observed.
CONCLUSION: Gigantism predominates in males. The main cause is GH excess. The diagnosis was very late except for cerebral gigantism. Complications were observed in pituitary gigantism only.