Amniotic fluid embolism

Adult

Amoebiasis due to Entamoeba histolytica

Not applicable

All ages

Amoebiasis due to free-living amoebae

Not applicable

All ages

Amoebic keratitis

Not applicable

All ages

Amyloidosis

All ages

Amyloidosis cutis dyschromia

Autosomal recessive

Childhood

Amyotrophic lateral sclerosis

Autosomal dominant, Autosomal recessive, Not applicable

Adult

Amyotrophic lateral sclerosis type 4

Autosomal dominant

Adolescent, Childhood

Anal fistula

Not applicable

All ages

Anaplastic astrocytoma

Not applicable

Adult

Anaplastic ependymoma

Not applicable

Adolescent, Adult, Childhood

Anaplastic large cell lymphoma

Not applicable

All ages

Anaplastic oligoastrocytoma

Not applicable

Adult

Anaplastic oligodendroglioma

Not applicable

Adult

Anaplastic thyroid carcinoma

Not applicable

Adult, Elderly

Anaplastic/large cell medulloblastoma

Infancy, Neonatal

Anastomosing haemangioma

Adolescent, Adult, Elderly, Infancy

Anauxetic dysplasia

Autosomal recessive

Antenatal, Neonatal

Andersen-Tawil syndrome

Autosomal dominant

Childhood

Androgen insensitivity syndrome

X-linked recessive

Antenatal, Neonatal

Aneurysm of sinus of Valsalva

Unknown

Adult

Aneurysm-osteoarthritis syndrome

Autosomal dominant

All ages

Angel-shaped phalango-epiphyseal dysplasia

Autosomal dominant

All ages

Angelman syndrome

Not applicable

Infancy