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 ×

Lymphedema with yellow nails

Yellow nail syndrome · YNS

ORPHA:662

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

Megalencephaly-polymicrogyria-postaxial polydactyly-hydrocephalus syndrome

MPPH syndrome

ORPHA:83473

Megalocornea-intellectual disability syndrome

MMR syndrome · Neuhäuser syndrome

ORPHA:2479

Metaphyseal acroscyphodysplasia

Bellini syndrome · Intellectual disability-short stature-wedge-shaped epiphyses of knees syndrome

ORPHA:1240

Microphthalmia with linear skin defects syndrome

MCOPS7 · MIDAS syndrome

ORPHA:2556

Mixed connective tissue disease

MCTD · Sharp syndrome

ORPHA:809

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

Muir-Torre syndrome

Multiple keratoacanthoma, Muir-Torre type

ORPHA:587

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

Nevo syndrome

Cerebral gigantism, Nevo type

ORPHA:2691

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

Oculodentodigital dysplasia

Oculo-dento-digital dysplasia · ODOD syndrome

ORPHA:2710

Oculoectodermal syndrome

Toriello Lacassie Droste syndrome · Aplasia cutis congenita-epibulbar dermoids syndrome

ORPHA:3339

Oculofaciocardiodental syndrome

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

ORPHA:2712

Oculogastrointestinal-neurodevelopmental syndrome

OGIN Syndrome

ORPHA:611201

Oculotrichoanal syndrome

MOTA syndrome · Manitoba oculotrichoanal syndrome

ORPHA:2717

Oley syndrome

Congenital hypotrichosis-milia syndrome

ORPHA:79458

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

Orofaciodigital syndrome type 2

Mohr syndrome · OFD2

ORPHA:2751

Otofaciocervical syndrome

Fara-Chlupackova syndrome · OFC syndrome

ORPHA:2792

Otopalatodigital syndrome type 1

OPD I syndrome · OPD syndrome 1

ORPHA:90650

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

PEHO syndrome

Progressive encephalopathy with edema, hypsarrhythmia and optic atrophy

ORPHA:2836

POEMS syndrome

Crow-Fukase syndrome · Osteosclerotic myeloma

ORPHA:2905

Port-wine nevi-mega cisterna magna-hydrocephalus syndrome

Nova syndrome

ORPHA:2703

Progressive supranuclear palsy

PSP syndrome

ORPHA:683

Proteasome-associated autoinflammatory syndrome

ALDD syndrome · Autoinflammation-lipodystrophy-dermatosis syndrome

ORPHA:324977

Prune belly syndrome

Abdominal muscle deficiency syndrome · Eagle-Barret syndrome

ORPHA:2970

Pseudo-TORCH syndrome type 1

Band like calcification with simplified gyration and polymicrogyria · BLC-PMG

ORPHA:1229

Pseudo-TORCH syndrome type 2

Pseudo-TORCH syndrome-2 · PTORCH2

ORPHA:481665

Ptosis-vocal cord paralysis syndrome

Tucker syndrome

ORPHA:2997