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 ×

Laryngo-onycho-cutaneous syndrome

LOGIC syndrome · Laryngeal and ocular granulation tissue in children from the Indian subcontinent syndrome

ORPHA:2407

Lateral meningocele syndrome

Lehman syndrome

ORPHA:2789

Laurin-Sandrow syndrome

Mirror hands and feets-nasal defects syndrome · Sandrow syndrome

ORPHA:2378

Legius syndrome

Nonmosaic Legius syndrome · NF1-like syndrome

ORPHA:137605

Leigh syndrome

Infantile subacute necrotizing encephalopathy · Leigh disease

ORPHA:506

Lelis syndrome

Ectodermal dysplasia-acanthosis nigricans syndrome

ORPHA:140936

Leukoencephalopathy with calcifications and cysts

Labrune syndrome · LCC

ORPHA:542310

Liddle syndrome

Pseudoaldosteronism

ORPHA:526

LIG4 syndrome

DNA ligase IV deficiency · Ligase 4 syndrome

ORPHA:99812

Limb body wall complex

LBWC syndrome · Body stalk anomaly

ORPHA:2369

Locked-in syndrome

Pseudocoma · LIS

ORPHA:2406

Loeys-Dietz syndrome

Aortic aneurysm syndrome due to TGF-beta receptors anomalies

ORPHA:60030

Lowe-Kohn-Cohen syndrome

Deafness-nephritis-ano-rectal malformation syndrome · Hearing loss-nephritis-ano-rectal malformation syndrome

ORPHA:2408

Lowry-MacLean syndrome

ORPHA:2409

Lowry-Wood syndrome

Epiphyseal dysplasia-microcephaly-nystagmus syndrome

ORPHA:1824

LUMBAR syndrome

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

ORPHA:83628

Lymphedema with yellow nails

Yellow nail syndrome · YNS

ORPHA:662

Lynch syndrome

ORPHA:144

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

Matthew-Wood syndrome

Spear syndrome · Anophthalmia-pulmonary hypoplasia syndrome

ORPHA:2470

Megalencephaly-polymicrogyria-postaxial polydactyly-hydrocephalus syndrome

MPPH syndrome

ORPHA:83473

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

Microphthalmia with linear skin defects syndrome

MCOPS7 · MIDAS syndrome

ORPHA:2556

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

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

Nodulosis-arthropathy-osteolysis syndrome

NAO syndrome

ORPHA:85196

Noonan syndrome with multiple lentigines

Cardiomyopathic lentiginosis · Familial multiple lentigines syndrome

ORPHA:500

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

OBSOLETE: Craniosynostosis-fibular aplasia syndrome

OBSOLETE: Lowry syndrome

ORPHA:1533

Ocular anomalies-axonal neuropathy-developmental delay syndrome

Harel-Yoon syndrome

ORPHA:496790

Oculocerebrorenal syndrome of Lowe

Lowe disease · Lowe oculo-cerebro-renal syndrome

ORPHA:534

Oculogastrointestinal-neurodevelopmental syndrome

OGIN Syndrome

ORPHA:611201

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