List of diseases (A)

Ach–Ack

• Achalasia
• Achalasia-Addisonianism-Alacrimia syndrome
• Achalasia alacrimia syndrome
• Achalasia, familial esophageal
• Achalasia microcephaly
• Achard syndrome
• Achard–Thiers syndrome
• Acheiropodia
• Achondrogenesis
  • Achondrogenesis Kozlowski type
  • Achondrogenesis type 1A
  • Achondrogenesis type 1B
  • Achondrogenesis type 2
• Achondroplasia
  • Achondroplasia Swiss type agammaglobulinemia
• Achondroplastic dwarfism
• Achromatopsia
• Achromatopsia incomplete, X-linked
• Acid maltase deficiency
• Acidemia, isovaleric
• Acidemia, propionic
• Acitretine antenatal infection
• Ackerman syndrome

Acn–Acq

• Acne rosacea
• Acne vulgaris; often called acne
• Acoustic neuroma
• Acoustic schwannomas
• Acquired agranulocytosis
• Acquired central hypoventilation syndrome
• Acquired hypoprothrombinemia
• Acquired ichthyosis

• Acquired prothrombin deficiency
• Acquired syphilis

Acr

Act

• ACTH deficiency
• ACTH resistance
• Actinic keratosis
• Actinomycetales causes anal infection
• Actinomycosis
• Activated protein C resistance

Acu

Acy

• Acyl-CoA dehydrogenase, medium chain, deficiency of
• Acyl-CoA dehydrogenase, short chain, deficiency of
• Acyl-CoA dehydrogenase, very long chain, deficiency of
• Acyl-CoA oxidase deficiency

Ada–Adi

• Adactylia unilateral dominant
• ADAM complex
• Adams–Nance syndrome
• Adams–Oliver syndrome
• Addison's disease
• Adducted thumb club foot syndrome
• Adducted thumb syndrome recessive form
• Adducted thumbs Dundar type
• Adenine phosphoribosyltransferase deficiency
• Adenocarcinoid tumor
• Adenocarcinoma of esophagus
• Adenocarcinoma of lung
• Adenoid cystic carcinoma
• Adenoma
• Adenoma of the adrenal gland
• Adenomatoid odontogenic tumor
• Adenomyosis
• Adenosine deaminase deficiency
• Adenosine monophosphate deaminase deficiency
• Adenosine triphosphatase deficiency, anemia due to
• Adenylosuccinate lyase deficiency
• Adie syndrome
• Adiposis dolorosa, aka Dercum's disease

Ado–Adr

• Adolescent benign focal crisis
• Adrenal adenoma, familial
• Adrenal cancer
• Adrenal disorder
• Adrenal gland hyperfunction
• Adrenal gland hypofunction
• Adrenal hyperplasia
• Adrenal hyperplasia, congenital
• Adrenal hypertension
• Adrenal hypoplasia
• Adrenal hypoplasia congenital, X-linked
• Adrenal incidentaloma
• Adrenal insufficiency
• Adrenal macropolyadenomatosis
• Adrenal medulla neoplasm
• Adrenocortical carcinoma
• Adrenogenital syndrome
• Adrenoleukodystrophy, autosomal, neonatal form
• Adrenoleukodystrophy, X-linked
• Adrenomyodystrophy

Adu

• Adult attention deficit hyperactivity disorder
• Adult-onset Still's disease
• Adult syndrome
• Advanced sleep phase syndrome

Ala–Alc

• Alagille–Watson syndrome (AWS)
• Alar nasal cartilages coloboma of telecanthus
• Albers–Schonberg disease
• Albinism
• Albinism deafness syndrome
• Albinism immunodeficiency
• Albinism, minimal pigment type
• Albinism, ocular
• Albinism ocular late onset sensorineural deafness
• Albinism oculocutaneous, Hermansky–Pudlak type
• Albinism, yellow mutant type
• Albinoidism
• Albrecht–Schneider–Belmont syndrome
• Albright–Turner–Morgani syndrome
• Albright's hereditary osteodystrophy
• Albright's syndrome
• Alcohol antenatal infection
• Alcohol dependence
• Alcohol fetopathy
• Alcohol withdrawal syndrome
• Alcoholic hepatitis
• Alcoholic liver cirrhosis

Ald–All

• Aldolase A deficiency
• Aldred syndrome
• Aleukemic leukemia cutis
• Alexander disease
• Alexia (acquired dyslexia)
• Alien hand syndrome
• Alkaptonuria
• Allain–Babin–Demarquez syndrome
• Allan–Herndon–Dudley syndrome
• Allanson–Pantzar–McLeod syndrome
• Allergic angiitis
• Allergic autoimmune thyroiditis
• Allergic bronchopulmonary aspergillosis
• Allergic encephalomyelitis

Alo

• Aloi Tomasini Isaia syndrome
• Alopecia
  • Alopecia anosmia deafness hypogonadism syndrome
  • Alopecia areata
  • Alopecia congenita keratosis palmoplantaris
  • Alopecia contractures dwarfism mental retardation
  • Alopecia epilepsy oligophrenia syndrome of Moynahan
  • Alopecia, epilepsy, pyorrhea, mental subnormality
  • Alopecia hypogonadism extrapyramidal disorder
  • Alopecia immunodeficiency
  • Alopecia macular degeneration growth retardation
  • Alopecia mental retardation hypogonadism
  • Alopecia mental retardation syndrome
  • Alopecia totalis
  • Alopecia universalis
  • Alopecia universalis onychodystrophy vitiligo

Alp–Alz

• Alpers disease
• Alpha 1-antitrypsin deficiency
• Alpha-2 deficient collagen disease
• Alpha-ketoglutarate dehydrogenase deficiency
• Alpha-L-iduronidase deficiency
• Alpha-mannosidosis
• Alpha-sarcoglycanopathy
• Alpha-thalassemia
• Alpha thalassemia abnormal morphogenesis
• Alpha-thalassemia mental retardation syndrome
• Alport syndrome
  • Alport syndrome, dominant type
  • Alport syndrome macrothrombocytopenia
  • Alport syndrome, recessive type
• Alstrom's syndrome
• Alternating hemiplegia
• Alternating hemiplegia of childhood
• Aluminium lung
• Alveolar capillary dysplasia
• Alveolar echinococcosis
• Alveolar soft part sarcoma
• Alveolitis, extrinsic allergic
• Alves Dos Santos Castello syndrome
• Alwadei syndrome
• Alzheimer's disease
  • Alzheimer's disease, early-onset
  • Alzheimer's disease, familial

Ana–Ane

• Anaphylaxis
• Anaplasmosis
• Anaplastic thyroid cancer
• Andersen's disease
• Andre syndrome
• Androgen insensitivity syndrome (AIS)
• Anemia
  • Anemia, Diamond–Blackfan
  • Anemia, hypoplastic, congenital
  • Anemia, pernicious
  • Anemia, sideroblastic
  • Anemia sideroblastic spinocerebellar ataxia
• Anencephaly
• Anencephaly spina bifida X linked
• Aneurysm
• Aneurysm, intracranial berry
• Aneurysm of sinus of Valsalva

Ang

• Angel shaped phalangoep
• Anger irritation syndrome^[1]
• Angiofollicular lymph hyperplasia
• Angioimmunoblastic lymphadenopathy with dysproteinemia
• Angiokeratoma mental retardation coarse face
• Angiolipoma
• Angioma
• Angioma hereditary neurocutaneous
• Angiomatosis
• Angiomatosis encephalotrigeminal
• Angiomatosis leptomeningeal capillary - venous
• Angiomatosis systemic cystic seip syndrome
• Angiomyomatous hamartoma
• Angioneurotic edema hereditary due to C1 esterase deficiency
• Angiosarcoma
• Angiosarcoma of the liver
• Angiosarcoma of the scalp
• Angiostrongyliasis
• Angiotensin renin aldosterone hypertension
• Anguillulosis

Ani–Ank

• Aniridia
• Aniridia absent patella
• Aniridia ataxia renal agenesis psychomotor retardation
• Aniridia cerebellar ataxia mental deficiency
• Aniridia mental retardation syndrome
• Aniridia ptosis mental retardation obesity familial
• Aniridia renal agenesis psychomotor retardation
• Aniridia, sporadic
• Aniridia type 2
• Anisakiasis
• Ankle defects short stature
• Ankyloblepharon ectodermal defects cleft lip palate
• Ankyloblepharon filiforme adnatum cleft palate
• Ankyloblepharon filiforme imperforate anus
• Ankyloglossia heterochromia clasped thumbs
• Ankylosing spondylarthritis
• Ankylosing spondylitis
• Ankylosing vertebral hyperostosis with tylosis
• Ankylosis
• Ankylosis of teeth
• Ankylostomiasis

Ann

• Annular constricting bands
• Annular pancreas
• Annuloaortic ectasia

Ano

• Anodontia
• Anomic aphasia
• Anonychia
• Anonychia ectrodactyly
• Anonychia microcephaly
• Anonychia onychodystrophy
• Anonychia-onychodystrophy with brachydactyly type B and ectrodactyly
• Anophthalia
• Anophthalia pulmonary hypoplasia
• Anophthalmia
• Anophthalmia cleft lip palate hypothalamic disorder
• Anophthalmia cleft palate micrognathia
• Anophthalmia esophageal atresia cryptorchidism
• Anophthalmia megalocornea cardiopathy skeletal anomalies
• Anophthalmia microcephaly hypogonadism
• Anophthalmia plus syndrome
• Anophthalmia short stature obesity
• Anophthalmia Waardenburg syndrome
• Anophthalmos
• Anophthalmos, clinical
• Anophthalmos with limb anomalies
• Anorchia
• Anorchidism
• Anorectal anomalies
• Anorectal atresia / Ano-rectal atresia
• Anorexia nervosa

• Anorexia nervosa binge-purge type
• Anorexia nervosa restricting type

• Anorgasmia
• Anosmia
• Anotia
• Anotia facial palsy cardiac defect

Ans–Ant

• Ansell–Bywaters–Elderking syndrome
• Anterior horn disease
• Anterior pituitary insufficiency, familial
• Anterograde amnesia
• Anthrax
• Anti amnestic syndrome
• Anti-factor VIII autoimmunization
• Antigen-peptide-transporter 2 deficiency
• Anti-HLA hyperimmunization
• Antihypertensive drugs antenatal infection
• Antinolo–Nieto–Borrego syndrome
• Antiphospholipid syndrome
• Anti-plasmin deficiency
• Anti-plasmin deficiency, congenital
• Antisocial personality disorder
• Antisynthetase syndrome
• Antithrombin deficiency, congenital
• Antley–Bixler syndrome
• Anton syndrome

Ape–App

• Apert like polydactyly syndrome
• Apert syndrome
• Aphalangia
• Aphalangia hemivertebrae
• Aphalangia syndactyly microcephaly
• Aphthous stomatitis
• Apiphobia
• Aplasia
• Aplasia cutis autosomal recessive
• Aplasia cutis congenita

• Aplasia cutis congenita dominant
• Aplasia cutis congenita epibulbar dermoids
• Aplasia cutis congenita intestinal lymphangiectasia
• Aplasia cutis congenita of limbs recessive
• Aplasia cutis congenita recessive

• Aplasia cutis-myopia
• Aplasia/hypoplasia of pelvis, femur, fibula, and ulna with abnormal digits and nails
• Aplastic anemia
• Aplastic crisis
• Apo A-I deficiency
• Apolipoprotein C-II deficiency
• Apparent mineralocorticoid excess
• Appelt–Gerken–Lenz syndrome
• Appendicitis

Apr–Apu

• Apraxia
• Apraxia, Ideomotor
• Apraxia manual
• Apraxia, ocular motor, Cogan type
• Apudoma

Ara–Aro

• Arachindonic acid, absence of
• Arachnodactyly

• Arachnodactyly ataxia cataract aminoaciduria mental retardation
• Arachnodactyly mental retardation dysmorphism

• Arachnoid cysts
• Arachnoiditis
• Arakawa's syndrome II
• Arbovirosis
• Arc syndrome
• AREDYLD syndrome
• Argentine hemorrhagic fever
• Arginase deficiency
• Arginemia
• Argininosuccinate synthetase deficiency
• Argininosuccinic aciduria
• Argyria
• Arhinia
• Arhinia choanal atresia microphthalmia
• Arnold–Stickler–Bourne syndrome
• Arnold–Chiari malformation
• Aromatase deficiency
• Aromatase excess syndrome
• Aromatic amino acid decarboxylase deficiency

Arr–Ars

• Arrhinia
• Arrhythmogenic right ventricular dysplasia
• Arroyo–Garcia–Cimadevilla syndrome
• Arrythmogenic right ventricular dysplasia, familial
• Arsenic poisoning

Art

Ary

• Arylsulfatase A deficiency