Abstract
Background. Mucopolysaccharidoses are diseases from the group of lysosomal storage diseases that have a progressive course. CNS damage is one of the main factors in the development of severe, life-threatening complications. Aims — аssessment of structural changes in the brain and bones of the head and neck in patients with various types of mucopolysaccharidoses. Methods. The research included 136 children aged from 11 months to 17 years, 81 patients of which showed various types of mucopolysaccharidoses: MPS I — 15 people, MPS II — 37, MPS III A — 10, MPS IIIB — 4, MPS IIIC — 2, MPS IVA — 6, VI — 7 people. The control group included 56 children without neurological, psychiatric and severe somatic illnesses. Results. For mucopolysaccharidoses types I, II, III and VI, the most characteristic structural changes on the brain MRI were white matter lesions, mainly periventricular: expansion of the perivascular spaces (70%), atrophy of the cerebral hemispheres (42%), hippocampus, (31%), ventriculomegaly (6.2%), stenosis of the cervical spine (64%), hydrocephalus, expansion of the cerebrospinal fluid spaces of the posterior cranial fossa, arachnoid cysts. Conclusions. The results of the obtained data analysis made it possible to identify the macrostructural specifics of the brain disorders and cervical spine in various types of MPS, as well as their prognostic significance.
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