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

Juvenile idiopathic arthritis

Juvenile chronic arthritis · Juvenile rheumatoid arthritis

ORPHA:92

Juvenile idiopathic inflammatory myopathy

JIIM

ORPHA:329888

Juvenile myasthenia gravis

Childhood myasthenia gravis · Generalized myasthenia gravis

ORPHA:391497

Juvenile myelomonocytic leukemia

Juvenile chronic myelomonocytic leukemia · JMML

ORPHA:86834

Juvenile myoclonic epilepsy

JME · Juvenile myoclonus epilepsy

ORPHA:307

Juvenile nasopharyngeal angiofibroma

JNA

ORPHA:289596

Juvenile nephronophthisis

ORPHA:93592

Juvenile nephropathic cystinosis

Intermediate cystinosis · Juvenile cystinosis

ORPHA:411634

Juvenile or adult CACH syndrome

ORPHA:157719

Juvenile overlap myositis

ORPHA:329894

Juvenile Paget disease

Familial osteoectasia · Hereditary hyperphosphatasia

ORPHA:2801

Juvenile polymyositis

Juvenile PM

ORPHA:93568

Juvenile polyposis of infancy

Infantile juvenile polyposis syndrome

ORPHA:79076

Juvenile polyposis syndrome

JIP · JPS

ORPHA:2929

Juvenile primary lateral sclerosis

JPLS · Juvenile PLS

ORPHA:247604

Juvenile sialidosis type 2

ORPHA:93399

Juvenile temporal arteritis

Non-giant cell granulomatous temporal arteritis with eosinophilia · JTA

ORPHA:26137

Juvenile xanthogranuloma

JXG

ORPHA:158000

Juvenile-onset diabetes mellitus-central and peripheral neurodegeneration syndrome

Combined cerebellar and peripheral ataxia-hearing loss-diabetes mellitus syndrome · Combined cerebellar and peripheral ataxia-deafness-diabetes mellitus syndrome

ORPHA:445062

Juvenile-onset Steinert myotonic dystrophy

Juvenile-onset Steinert disease · Juvenile-onset myotonic dystrophy type 1

ORPHA:589827

Juxtaposition of the atrial appendages

Juxtaposition of the atrial auricles

ORPHA:99100

Kabuki syndrome

Kabuki make-up syndrome · Niikawa-Kuroki syndrome

ORPHA:2322

Kagami-Ogata syndrome

KOS

ORPHA:254519

Kagami-Ogata syndrome due to maternal 14q32.2 hypermethylation

ORPHA:254534

Kagami-Ogata syndrome due to maternal 14q32.2 microdeletion

Maternal del(14)(q32.2) · Maternal monosomy 14q32.2

ORPHA:254528

Kagami-Ogata syndrome due to paternal uniparental disomy of chromosome 14

UPD(14)pat

ORPHA:96334

Kahrizi syndrome

Intellectual disability, Kahrizi type · Intellectual disability-cataract-coloboma-kyphosis syndrome

ORPHA:168972

Kallmann syndrome

Congenital hypogonadotropic hypogonadism with anosmia · Olfacto-genital pathological sequence

ORPHA:478

Kallmann syndrome-heart disease syndrome

ORPHA:2326

Kandori fleck retina

ORPHA:99179

Kaposi sarcoma

ORPHA:33276

Kaposiform hemangioendothelioma

ORPHA:2122

Kaposiform lymphangiomatosis

ORPHA:464329

Kapur-Toriello syndrome

Cleft lip/palate-facial, eye, heart and intestinal anomalies syndrome

ORPHA:2328

Karsch-Neugebauer syndrome

Split hand/split foot-nystagmus syndrome

ORPHA:2329

Karyomegalic interstitial nephritis

KIN · Systemic karyomegaly

ORPHA:401996

Kasabach-Merritt phenomenon

Hemangioma-thrombocytopenia syndrome

ORPHA:2330

KAT6-related intellectual disability-craniofacial anomalies-cardiac defects syndrome

KAT6A syndrome · Arboleda-Tham syndrome

ORPHA:457193

KAT6B-related multiple congenital anomalies syndrome

KAT6B-related disorder

ORPHA:597749

Kawasaki disease

Mucocutaneous lymph node syndrome

ORPHA:2331

KBG syndrome

Short stature-facial and skeletal anomalies-intellectual disability-macrodontia syndrome · ANKRD11-related disorder

ORPHA:2332

KCNQ2-related developmental and epileptic encephalopathy

KCNQ2-DEE

ORPHA:439218

KDM3B-related intellectual disability-facial dysmorphism-short stature syndrome

Diets-Jongmans Syndrome

ORPHA:633004

KDM5C-related syndromic X-linked intellectual disability

ORPHA:85279

Kearns-Sayre syndrome

ORPHA:480

Keipert syndrome

Nasodigitoacoustic syndrome

ORPHA:2662

Kenny-Caffey syndrome

Kenny syndrome

ORPHA:2333

Keppen-Lubinsky syndrome

Generalized lipodystrophy-progeroid features-severe intellectual disability syndrome

ORPHA:435628