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

Aggressive NK-cell leukemia

ANKCL · Aggressive NK-cell lymphoma

ORPHA:86873

Aggressive periodontitis

Susceptibility to localized juvenile periodontitis · AgP

ORPHA:447740

Aggressive primary cutaneous B-cell lymphoma

ORPHA:178554

Aggressive primary cutaneous T-cell lymphoma

CTCL · Mycosis fungoides

ORPHA:178551

Aggressive systemic mastocytosis

ORPHA:98850

Agnathia-holoprosencephaly-situs inversus syndrome

ORPHA:990

AH amyloidosis

Heavy chain amyloidosis

ORPHA:442582

AHDC1-related intellectual disability-obstructive sleep apnea-mild dysmorphism syndrome

Xia-Gibbs syndrome

ORPHA:412069

AICA-ribosiduria

5-amino-4-imidazole carboxamide ribosiduria · ATIC deficiency

ORPHA:250977

Aicardi syndrome

Agenesis of corpus callosum with chorioretinal abnormality

ORPHA:50

Aicardi-Goutières syndrome

Encephalopathy with basal ganglia calcification · Encephalopathy with intracranial calcification and chronic lymphocytosis of cerebrospinal fluid

ORPHA:51

AIDS wasting syndrome

ORPHA:90081

Airway infantile hemangioma

Laryngotracheal angioma

ORPHA:137935

AKT2-related familial partial lipodystrophy

AKT2-related FPLD

ORPHA:79085

Al-Gazali-Dattani syndrome

ORPHA:139477

Alacrimia-choreoathetosis-liver dysfunction syndrome

NGLY1 deficiency · NGLY1-CDDG

ORPHA:404454

Alagille syndrome due to 20p12 microdeletion

Alagille syndrome due to del(20)(p12) · Alagille syndrome due to monosomy 20p12

ORPHA:261600

Alagille syndrome due to a JAG1 point mutation

Alagille-Watson syndrome due to a JAG1 point mutation · Arteriohepatic dysplasia due to a JAG1 point mutation

ORPHA:261619

Alagille syndrome due to a NOTCH2 point mutation

Alagille-Watson syndrome due to a NOTCH2 point mutation · Arteriohepatic dysplasia due to a NOTCH2 point mutation

ORPHA:261629

Åland Islands eye disease

AIED · Forsius-Eriksson syndrome

ORPHA:178333

Alar cartilages hypoplasia-coloboma-telecanthus syndrome

ORPHA:2007

Alazami syndrome

Microcephalic primordial dwarfism, Alazami type

ORPHA:319671

Albers-Schönberg osteopetrosis

Osteopetrosis autosomal dominant type 2

ORPHA:53

Albinism-deafness syndrome

Albinism-hearing loss syndrome

ORPHA:998

Albright hereditary osteodystrophy

ORPHA:665

ALDH18A1-related De Barsy syndrome

Delta-1-pyrroline 5-carboxylate synthetase deficiency · Neurocutaneous syndrome, Bicknell type

ORPHA:35664

ALECT2 amyloidosis

Leukocyte chemotactic factor-2 amyloidosis

ORPHA:439224

Alexander disease

AxD

ORPHA:58

Alexander disease type I

AxD type I

ORPHA:363717

Alexander disease type II

AxD type II

ORPHA:363722

ALG1-CDG

CDG syndrome type Ik · CDG-Ik

ORPHA:79327

ALG11-CDG

CDG syndrome type Ip · CDG-Ip

ORPHA:280071

ALG12-CDG

CDG syndrome type Ig · CDG-Ig

ORPHA:79324

ALG13-CDG

Congenital disorder of glycosylation type Is · CDG syndrome type Is

ORPHA:324422

ALG2-CDG

CDG syndrome type Ii · CDG-Ii

ORPHA:79326

ALG3-CDG

CDG syndrome type Id · CDG-Id

ORPHA:79321

ALG6-CDG

CDG syndrome type Ic · CDG-Ic

ORPHA:79320

ALG8-CDG

CDG syndrome type Ih · CDG-Ih

ORPHA:79325

ALG9-CDG

CDG syndrome type IL · CDG1L

ORPHA:79328

ALK-negative anaplastic large cell lymphoma

ALK- ALCL · ALK- anaplastic large cell lymphoma

ORPHA:300903

ALK-positive anaplastic large cell lymphoma

ALK+ ALCL · ALK+ anaplastic large cell lymphoma

ORPHA:300895

ALK-positive large B-cell lymphoma

ALK+ LBCL · ALK+ large B-cell lymphoma

ORPHA:364043

Alkaline ceramidase 3 deficiency

Leukodystrophy due to alkaline ceramidase 3 deficiency · ACER3-related early childhood-onset progressive leukodystrophy

ORPHA:502444

Alkaptonuria

Hereditary ochronosis · Homogentisic acid oxidase deficiency

ORPHA:56

Allan-Herndon-Dudley syndrome

AHDS · MCT8 deficiency

ORPHA:59

Allergic bronchopulmonary aspergillosis

ABPA · Allergic aspergillosis

ORPHA:1164

Alobar holoprosencephaly

ORPHA:93925

Alopecia

ORPHA:79364