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 ×

MASS syndrome

Mitral valve-aorta-skeleton-skin syndrome

ORPHA:99715

Maxillonasal dysplasia

Binder syndrome · Maxillonasal dysostosis

ORPHA:1248

Mayer-Rokitansky-Küster-Hauser syndrome

MRKH syndrome · Rokitansky syndrome

ORPHA:3109

Meacham syndrome

Meacham-Winn-Culler syndrome · Rhabdomyomatous dysplasia-cardiopathy-genital anomalies syndrome

ORPHA:3097

Meckel syndrome

Dysencephalia splanchnocystica · Meckel-Gruber syndrome

ORPHA:564

MEDNIK syndrome

Intellectual disability-enteropathy-deafness-peripheral neuropathy-ichthyosis-keratodermia syndrome · Intellectual disability-enteropathy-hearing loss-peripheral neuropathy-ichthyosis-keratodermia syndrome

ORPHA:171851

Megalencephaly-polymicrogyria-postaxial polydactyly-hydrocephalus syndrome

MPPH syndrome

ORPHA:83473

Megalocornea-intellectual disability syndrome

MMR syndrome · Neuhäuser syndrome

ORPHA:2479

MEGDEL syndrome

3-methylglutaconic aciduria with deafness-encephalopathy-Leigh-like syndrome · 3-methylglutaconic aciduria with hearing loss-encephalopathy-Leigh-like syndrome

ORPHA:352328

MEHMO syndrome

X-linked intellectual disability-epileptic seizures-hypogenitalism-microcephaly-obesity syndrome

ORPHA:85282

Meigs syndrome

Demons-Meigs syndrome

ORPHA:314451

Melorheostosis with osteopoikilosis

MSBD syndrome · Mixed sclerosing bone dystrophy

ORPHA:1879

MEND syndrome

Male EBP disorder with neurological defects

ORPHA:401973

Menkes disease

Menkes kinky hair disease · MD

ORPHA:565

MEPAN syndrome

Mitochondrial enoyl CoA reductase protein-associated neurodegeneration syndrome · Autosomal recessive childhood-onset dystonia, DYT29 type

ORPHA:508093

Michels syndrome

3MC1 syndrome · Oculopalatoskeletal syndrome

ORPHA:2506

Micro syndrome

WARBM · Warburg micro syndrome

ORPHA:2510

Microcephaly-capillary malformation syndrome

MIC-CAP syndrome · MIC-CM syndrome

ORPHA:294016

Microcornea-myopic chorioretinal atrophy-telecanthus syndrome

MMCAT syndrome

ORPHA:369970

Microcornea-posterior megalolenticonus-persistent fetal vasculature-coloboma syndrome

MPPC syndrome

ORPHA:231736

Microphthalmia with linear skin defects syndrome

MCOPS7 · MIDAS syndrome

ORPHA:2556

Microphthalmia-brain atrophy syndrome

MCOPS10 · MOBA syndrome

ORPHA:77299

Middle aortic syndrome

MAC · Coarctation of the abdominal aorta

ORPHA:1456

Mietens syndrome

Intellectual disability, Mietens-Weber type

ORPHA:2557

Mills syndrome

ORPHA:94091

MIRAGE syndrome

Myelodysplasia-infection-restriction of growth-adrenal hypoplasia-genital anomalies-enteropathy syndrome · Myelodysplasia-infection-restriction of growth-adrenal hypoplasia-genital phenotypes-enteropathy syndrome

ORPHA:494433

Mirizzi syndrome

Extrinsic biliary compression syndrome

ORPHA:521219

Mitchell Syndrome

ORPHA:631248

MMEP syndrome

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

ORPHA:3434

Moebius syndrome

Möbius syndrome

ORPHA:570

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

Morvan syndrome

Limbic encephalitis-neuromyotonia-hyperhidrosis-polyneuropathy syndrome · Morvan fibrillary chorea

ORPHA:83467

MRCS syndrome

Microcornea-rod-cone dystrophy-cataract-posterior staphyloma syndrome

ORPHA:263347

Muenke syndrome

ORPHA:53271

Multinucleated neurons-anhydramnios-renal dysplasia-cerebellar hypoplasia-hydranencephaly syndrome

MARCH syndrome

ORPHA:500135

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

Myhre syndrome

Myhre-Laryngotracheal stenosis-arthropathy-prognathism-short stature syndrome · Facial dysmorphism-intellectual disability-short stature-hearing loss syndrome

ORPHA:2588

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