Multisystem Langerhans cell histiocytosis

Not applicable

Multisystem inflammatory syndrome in children and adults

Childhood

Multisystemic smooth muscle dysfunction syndrome

Unknown

Infancy

Murine typhus

Not applicable

All ages

Muscle filaminopathy

Autosomal dominant

Adult

Muscle-eye-brain disease

Autosomal recessive

Antenatal, Infancy, Neonatal

Muscle-eye-brain disease with bilateral multicystic leucodystrophy

Autosomal recessive

Infancy

Muscular atrophy-ataxia-retinitis pigmentosa-diabetes mellitus syndrome

Autosomal dominant

Childhood

Muscular hypertrophy-hepatomegaly-polyhydramnios syndrome

Autosomal dominant

Infancy, Neonatal

Muscular pseudohypertrophy-hypothyroidism syndrome

Childhood

Musculocontractural Ehlers-Danlos syndrome

Autosomal recessive

Infancy, Neonatal

Mutilating hereditary sensory neuropathy with spastic paraplegia

Autosomal recessive

Childhood, Infancy

Mutilating palmoplantar keratoderma with periorificial keratotic plaques

Autosomal dominant, Not applicable, X-linked recessive

Childhood, Infancy, Neonatal

Myalgia-eosinophilia syndrome associated with tryptophan

Not applicable

All ages

Myasthenia gravis

Multigenic/multifactorial, Not applicable

All ages

Mycetoma

Not applicable

All ages

Mycophenolate mofetil embryopathy

Not applicable

Antenatal, Infancy, Neonatal

Mycoplasma encephalitis

Not applicable

All ages

Mycosis fungoides and variants

Not applicable

Adult

Myelocystocele

Multigenic/multifactorial, Not applicable

Infancy, Neonatal

Myelodysplastic neoplasm with increased blasts

Not applicable

Adult

Myelodysplastic neoplasm with increased blasts type 1

Not applicable

Adult

Myelodysplastic neoplasm with increased blasts type 2

Not applicable

Adult

Myelodysplastic neoplasm with low blasts

Not applicable

Adolescent, Adult, Childhood, Elderly, Infancy