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■Detailed data
Sex male
Age 30-34
Misc 1995-1999
Chief Complaint Gait disturbance, neuropsychiatric disorder, developmentral disability
Past history Stutter starting from the age of 7-8, movement disorders and systemic progress then, non-writing, and inability to walk from the age of 30.
Present history My parents married cousin, (145cm, 72cm sitting height, 33.5kg body weight) short height. Movement disorder: inability to walk, upper limb disabilities, non-vocalization,
Bone change:curvature side and lower limb joint flexion contracture kyphosis,
Ray findings X:head (bone thickening), chest(All changes to the rib-shaped bottom),
Spine (kyphosis cervical spine, thoracic spine curvature mild side, flattened vertebral body), Other:No abnormal facial appearance, no hepatosplenomegaly, corneal opacity there, no cherry red spot.
Laboratory findings Blood examination・Biochemical examination:not pariticular lysozyme enzyme activity:β-D-galactosidase activity 、Urine mucopolysaccharide :normal