Spectrum of abdominal sonographic findings in 103 pediatric patients with Gaucher disease
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The purpose of this study was to catalogue spleen and liver features by US in a cohort of 103 pediatric patients with Gaucher disease, and to document response to enzyme replacement therapy by serial US examination. There were 42 boys and 61 girls, 2 were splenectomized. Forty-eight patients received enzyme replacement therapy (ERT). At presentation all patients evinced organomegaly and 4.9% had focal (splenic or hepatic) lesions (hypo- and hyper-echoic or mixed). Fifteen patients began ERT before 11 years of age. There was a mean liver volume reduction from 230 to 137% after 2 years of ERT, with further reduction of 91% up to 6 years later. Mean spleen volume reduction was 38.4% at 2 years of ERT and a further reduction to 40.8% at last evaluation. Fourteen children began ERT between ages 11 and 16 years. Mean liver reduction was from 230 to 124% at 2 years and further reduction to mean of 104% recently. Mean splenic reduction was 37.7% after 2 years of ERT, with a mean of 43.8% recently (mean 4.5 years later). Organ volume changes in untreated and treated children were documented by US which is the modality of choice for repeat measures in this population. Our results highlight the initial dramatic and then continued response to ERT in pediatric patients with Gaucher disease.
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