Archives: Conditions A-Z

Multiple endocrine neoplasia type 1

Tumor syndrome of parathyroid, pancreatic islet and pituitary glands.

Mucopolysaccharidosis type VI

Arylsulfatase B deficiency with skeletal dysplasia and organomegaly, intelligence usually preserved.

Mucopolysaccharidosis type IVA

Keratan sulfate storage with severe skeletal dysplasia and preserved intelligence.

Myelodysplastic syndromes

Clonal marrow disorders with ineffective hematopoiesis, cytopenias and leukemia risk.

Multiple system atrophy

Progressive neurodegeneration with autonomic failure plus parkinsonism or cerebellar ataxia.

Myotonic dystrophy

Multisystem dystrophy with myotonia, weakness, cataracts, cardiac conduction defects; commonest adult-onset MD.

Narcolepsy with cataplexy

Chronic sleep disorder with excessive daytime sleepiness and cataplexy from orexin/hypocretin deficiency.

Myotubular myopathy

Severe congenital myopathy with neonatal hypotonia and respiratory failure from myotubularin deficiency.