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"

200 matching diseasesClear search ×

LIG4 syndrome

DNA ligase IV deficiency · Ligase 4 syndrome

ORPHA:99812

Linear nevus sebaceus syndrome

Nevus sebaceus of Jadassohn · Nevus sebaceus syndrome

ORPHA:2612

LUMBAR syndrome

PELVIS syndrome · Perineal hemangioma-external genitalia malformations-lipomyelomeningocele-vesicorenal abnormalities-imperforate anus-skin tag syndrome

ORPHA:83628

Malan overgrowth syndrome

Sotos syndrome 2

ORPHA:420179

Mammary-digital-nail syndrome

MDN syndrome · Onycho-digito-mammary syndrome

ORPHA:238744

Mandibular hypoplasia-deafness-progeroid features-lipodystrophy syndrome

MDPL syndrome · MDP syndrome

ORPHA:363649

MASS syndrome

Mitral valve-aorta-skeleton-skin syndrome

ORPHA:99715

Maxillonasal dysplasia

Binder syndrome · Maxillonasal dysostosis

ORPHA:1248

Megalencephaly-polymicrogyria-postaxial polydactyly-hydrocephalus syndrome

MPPH syndrome

ORPHA:83473

Megalocornea-intellectual disability syndrome

MMR syndrome · Neuhäuser syndrome

ORPHA:2479

Microcornea-posterior megalolenticonus-persistent fetal vasculature-coloboma syndrome

MPPC syndrome

ORPHA:231736

Microphthalmia with linear skin defects syndrome

MCOPS7 · MIDAS syndrome

ORPHA:2556

Miller Fisher syndrome

Cranial variant of GBS · Cranial variant of Guillain-Barré syndrome

ORPHA:98919

MMEP syndrome

MCOPS8 · Microcephaly-microphthalmia-ectrodactyly of lower limbs-prognathism syndrome

ORPHA:3434

Monoamine oxidase A deficiency

Brunner syndrome

ORPHA:3057

Monosomy 18p syndrome

18p- syndrome · De Grouchy syndrome type 1

ORPHA:1598

Monosomy 18q syndrome

18q- syndrome · Deletion 18q

ORPHA:1600

Monosomy 9p syndrome

9p deletion syndrome · 9p- syndrome

ORPHA:261112

Mucopolysaccharidosis type 2

Hunter syndrome · Iduronate 2-sulfatase deficiency

ORPHA:580

Multiple endocrine neoplasia type 1

MEN1 · Wermer syndrome

ORPHA:652

Multiple endocrine neoplasia type 2A

MEN2A · PTC syndrome

ORPHA:247698

Multiple synostoses syndrome

Deafness-Hermann type symphalangism syndrome · Facio-audio-symphalangism

ORPHA:3237

Muscle-eye-brain disease

MEB syndrome · Muscle-eye-brain syndrome

ORPHA:588

Myelodysplastic syndrome associated with isolated del(5q) chromosome abnormality

5q- syndrome · MDS

ORPHA:86841

N syndrome

ORPHA:2608

Naegeli-Franceschetti-Jadassohn syndrome

NFJ syndrome · Naegeli syndrome

ORPHA:69087

Nager syndrome

Mandibulofacial dysostosis with preaxial limb anomalies · NAFD

ORPHA:245

NAME syndrome

Nevi-atrial myxoma-myxoid neurofibromata-ephelides syndrome

ORPHA:623

Neurogenic scapuloperoneal syndrome, Kaeser type

Kaeser syndrome · Stark-Kaeser syndrome

ORPHA:85146

Nodulosis-arthropathy-osteolysis syndrome

NAO syndrome

ORPHA:85196

Noonan syndrome-like disorder with juvenile myelomonocytic leukemia

CBL syndrome · Noonan syndrome-like disorder with JMML

ORPHA:363972

Oculogastrointestinal-neurodevelopmental syndrome

OGIN Syndrome

ORPHA:611201

Odontomatosis-aortae esophagus stenosis syndrome

Bader syndrome

ORPHA:2724

Oley syndrome

Congenital hypotrichosis-milia syndrome

ORPHA:79458

Oliver syndrome

Postaxial polydactyly-intellectual disability syndrome

ORPHA:2920

Onycho-tricho-dysplasia-neutropenia syndrome

Itin syndrome · ONMR syndrome

ORPHA:2739

Ophthalmomandibulomelic dysplasia

OMM syndrome · Pillay syndrome

ORPHA:2741

Opsoclonus-myoclonus syndrome

Ataxo-opso-myoclonus syndrome · Dancing eye syndrome

ORPHA:1183

Otofaciocervical syndrome

Fara-Chlupackova syndrome · OFC syndrome

ORPHA:2792

Pai syndrome

Median cleft of the upper lip-corpus callosum lipoma-midline facial cutaneous polyps syndrome

ORPHA:1993

Painful legs and moving toes syndrome

PLMT syndrome

ORPHA:617440

PASS syndrome

Pyoderma gangrenosum-acne-hidradenitis suppurativa-ankylosing spondylitis syndrome

ORPHA:641385

Pfeiffer syndrome

ACS5 · Acrocephalosyndactyly type 5

ORPHA:710

Pfeiffer syndrome type 1

Classic Pfeiffer syndrome

ORPHA:93258

Pfeiffer syndrome type 2

ORPHA:93259

Pfeiffer syndrome type 3

ORPHA:93260

PHAVER syndrome

Powell-Chandra-Saal syndrome

ORPHA:2876

POEMS syndrome

Crow-Fukase syndrome · Osteosclerotic myeloma

ORPHA:2905