label: Increased urinary free sialic acid excretion (N-acetylneuraminic acid, 5-20x normal) Enlarged lysosomal vacuoles in lymphocytes and fibroblasts
label_lc: increased urinary free sialic acid excretion (n-acetylneuraminic acid, 5-20x normal) enlarged lysosomal vacuoles in lymphocytes and fibroblasts