Rare Disease Library

Browse Orphanet-curated rare diseases with HPO phenotype annotations, synonyms, and linked support programs. Search by name, abbreviation, or synonym.

Try: "IgA nephropathy", "C3G", "Berger's disease", "PKU", "Duchenne"

10,912 rare diseases

ATP6AP1-CDG

ATP6AP1-congenital disorder of glycosylation · ATPase H+ transporting accessory protein 1-congenital disorder of glycosylation

ORPHA:692790

Atresia of urethra

Urethral atresia

ORPHA:105

Atrial appendage anomaly

Atrial auricle anomaly

ORPHA:95510

Atrial septal aneurysm

ORPHA:99107

Atrial septal defect-atrioventricular conduction defects syndrome

ORPHA:1479

Atrial septal defect, coronary sinus type

ASD, coronary sinus type · Unroofed coronary sinus

ORPHA:99104

Atrial septal defect, ostium primum type

ASD, ostium primum type

ORPHA:99106

Atrial septal defect, ostium secundum type

ASD, ostium secundum type

ORPHA:99103

Atrial septal defect, sinus venosus type

ASD, sinus venosus type

ORPHA:99105

Atrichia with papular lesions

Papular atrichia

ORPHA:86819

Atrioventricular defect-blepharophimosis-radial and anal defect syndrome

Houlston-Ironton-Temple syndrome

ORPHA:1352

Atrioventricular septal defect

AVSD · Atrioventricular canal defect

ORPHA:98722

Atrioventricular valve anomaly

ORPHA:98720

Atrophic lichen planus

Atrophic LP

ORPHA:254449

Atrophic papulosis

Degos disease · Köhlmeier-Degos disease

ORPHA:656071

Atrophoderma of Pasini and Pierini

ORPHA:658810

Atrophoderma vermiculata

Folliculitis ulerythematosa reticulate

ORPHA:79100

Attenuated Chédiak-Higashi syndrome

Atypical Chédiak-Higashi syndrome

ORPHA:352723

Attenuated familial adenomatous polyposis

AFAP · Attenuated FAP

ORPHA:220460

ATTRV122I amyloidosis

ATTRV122I-related amyloidosis

ORPHA:85451

ATTRV30M amyloidosis

ATTRV30M-related amyloidosis · Hereditary ATTRV30M-related amyloidosis

ORPHA:85447

Atypical autism

ORPHA:199627

Atypical chronic myeloid leukemia

Subacute myeloid leukemia

ORPHA:98824

Atypical dentin dysplasia due to SMOC2 deficiency

Dentin dysplasia type 1 with microdontia and shape anomalies

ORPHA:314721

Atypical Fanconi syndrome-neonatal hyperinsulinism syndrome

ORPHA:544628

Atypical Gaucher disease due to saposin C deficiency

ORPHA:309252

Atypical glycine encephalopathy

Atypical NKA · Atypical non-ketotic hyperglycinemia

ORPHA:289863

Atypical hemolytic uremic syndrome

aHUS · atypical hemolytic uremic syndrome

ORPHA:2134

Atypical hemolytic uremic syndrome with anti-factor H antibodies

aHUS · aHUS with anti-factor H antibodies

ORPHA:93581

Atypical hemolytic uremic syndrome with complement gene abnormality

aHUS · aHUS with complement gene abnormality

ORPHA:544472

Atypical hypotonia-cystinuria syndrome

Atypical HCS

ORPHA:238523

Atypical juvenile parkinsonism

ORPHA:391411

Atypical lichen myxedematosus

Intermediate lichen myxedematosus

ORPHA:86797

Atypical Meigs syndrome

Atypical Demons-Meigs syndrome · Incomplete Meigs syndrome

ORPHA:314466

Atypical Norrie disease due to Xp11.3 microdeletion

Atypical Norrie disease due to del(X)(p11.3) · Atypical Norrie disease due to nullisomy Xp11.3

ORPHA:261501

Atypical pantothenate kinase-associated neurodegeneration

NBIA1, atypical form · Neurodegeneration with brain iron accumulation type 1, atypical form

ORPHA:216873

Atypical papilloma of choroid plexus

Atypical choroid plexus papilloma · Atypical CPP

ORPHA:251902

Atypical progressive supranuclear palsy syndrome

Atypical PSP syndrome

ORPHA:99750

Atypical Rett syndrome

Atypical RTT · Rett syndrome variant

ORPHA:3095

Atypical teratoid rhabdoid tumor

ATRT

ORPHA:99966

Atypical Timothy syndrome

ATS · Atypical LQT8

ORPHA:595109

Atypical Werner syndrome

Atypical progeroid syndrome

ORPHA:79474

Audiogenic epilepsy

ORPHA:166415

Auditory neuropathy-optic atrophy syndrome

ORPHA:542585

Auricular abnormalities-cleft lip with or without cleft palate-ocular abnormalities syndrome

ORPHA:77300

Auriculocondylar syndrome

Question mark ear syndrome

ORPHA:137888

Auriculoosteodysplasia

ORPHA:114

Aurocephalosyndactyly

Auralcephalosyndactyly · Kurczynski-Casperson syndrome

ORPHA:1219