Resolution of Elevated Urine Glycosaminoglycans and Clinical Features of Mucopolysaccharidosis After Successful Treatment of Neuroblastoma.

We report a patient with stage 3 ganglioneuroblastoma who initially presented with clinical and laboratory features consistent with mucopolysaccharidosis including coarse facial features, developmental delay, and an elevated quantitative urine glycosaminoglycan (GAG) level. All mucopolysaccharidosis