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

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

MASA syndrome

Intellectual disability-aphasia-shuffling gait-adducted thumbs syndrome

ORPHA:2466

Mayer-Rokitansky-Küster-Hauser syndrome

MRKH syndrome · Rokitansky syndrome

ORPHA:3109

Megalocornea-intellectual disability syndrome

MMR syndrome · Neuhäuser syndrome

ORPHA:2479

Melorheostosis with osteopoikilosis

MSBD syndrome · Mixed sclerosing bone dystrophy

ORPHA:1879

Michels syndrome

3MC1 syndrome · Oculopalatoskeletal syndrome

ORPHA:2506

Microcephaly-microcornea syndrome, Seemanova type

Seemanova-Lesny syndrome

ORPHA:2528

Microphthalmia with linear skin defects syndrome

MCOPS7 · MIDAS syndrome

ORPHA:2556

Microphthalmia-brain atrophy syndrome

MCOPS10 · MOBA syndrome

ORPHA:77299

Mixed connective tissue disease

MCTD · Sharp syndrome

ORPHA:809

Mohr-Tranebjaerg syndrome

DDON syndrome · Deafness-dystonia-optic neuronopathy syndrome

ORPHA:52368

MOMO syndrome

Macrocephaly-obesity-intellectual disability-ocular abnormalities syndrome · Macrosomia-obesity-macrocephaly-ocular abnormalities syndrome

ORPHA:2563

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

MORM syndrome

Intellectual disability-truncal obesity-retinal dystrophy-micropenis syndrome

ORPHA:75858

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

NAME syndrome

Nevi-atrial myxoma-myxoid neurofibromata-ephelides syndrome

ORPHA:623

NARP syndrome

Neurogenic muscle weakness-ataxia-retinitis pigmentosa syndrome · Neuropathy-ataxia-retinitis pigmentosa syndrome

ORPHA:644

Neu-Laxova syndrome

ORPHA:2671

Nevo syndrome

Cerebral gigantism, Nevo type

ORPHA:2691

Nijmegen breakage syndrome

AT V1 · Ataxia-telangiectasia, variant 1

ORPHA:647

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

Null syndrome

PLP1 null syndrome · Pelizaeus-Merzbacher disease, null syndrome

ORPHA:280234

Oculocerebrorenal syndrome of Lowe

Lowe disease · Lowe oculo-cerebro-renal syndrome

ORPHA:534

Oculodentodigital dysplasia

Oculo-dento-digital dysplasia · ODOD syndrome

ORPHA:2710

Oculofaciocardiodental syndrome

OFCD syndrome · Cataract-microphthalmia-radiculomegaly-cardiac septal defect syndrome

ORPHA:2712

Oculogastrointestinal-neurodevelopmental syndrome

OGIN Syndrome

ORPHA:611201

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

PARC syndrome

Poikiloderma-alopecia-retrognathism-cleft palate syndrome

ORPHA:2825

PASH syndrome

Pyoderma gangrenosum-acne-suppurative hidradenitis syndrome

ORPHA:289478

PASS syndrome

Pyoderma gangrenosum-acne-hidradenitis suppurativa-ankylosing spondylitis syndrome

ORPHA:641385

Peeling skin-leukonychia-acral punctate keratoses-cheilitis-knuckle pads syndrome

PLACK syndrome

ORPHA:444138

PEHO syndrome

Progressive encephalopathy with edema, hypsarrhythmia and optic atrophy

ORPHA:2836

PENS syndrome

Papular epidermal nevi with skyline basal cell layers syndrome

ORPHA:313936