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 cutis dyschromia

Autosomal recessive

Childhood

Amyotrophic lateral sclerosis

Autosomal dominant, Autosomal recessive, Not applicable

Adult

Amyotrophic lateral sclerosis type 4

Autosomal dominant

Adolescent, Childhood

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

Anastomosing haemangioma

Adolescent, Adult, Elderly, Infancy

Anauxetic dysplasia

Autosomal recessive

Antenatal, Neonatal

Andersen-Tawil syndrome

Autosomal dominant

Childhood

Aneurysm-osteoarthritis syndrome

Autosomal dominant

All ages

Angiocentric glioma

All ages

Angioimmunoblastic T-cell lymphoma

Not applicable

Adult

Angioma serpiginosum

Autosomal dominant, Not applicable, X-linked recessive

Childhood

Angiomatoid fibrous histiocytoma

Adolescent, Adult, Childhood

Angiosarcoma

Not applicable

Adult

Angiostrongyliasis

Not applicable

All ages

Angora hair nevus

Not applicable, Unknown

Infancy, Neonatal

Anisakiasis

Adolescent, Adult, Childhood, Elderly