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"

10,912 rare diseases

Microvillus inclusion disease

Congenital microvillous atrophy · Congenital microvillus atrophy

ORPHA:2290

Micturition-induced epilepsy

ORPHA:166430

Mid-dermal elastolysis

ORPHA:228299

Middle and/or inner ear anomaly

ORPHA:164004

Middle aortic syndrome

MAC · Coarctation of the abdominal aorta

ORPHA:1456

Middle ear neuroendocrine tumor

ORPHA:100084

Midface hypoplasia-hearing impairment-elliptocytosis-nephrocalcinosis syndrome

MFHIEN · Midface hypoplasia-hearing loss-elliptocytosis-nephrocalcinosis syndrome

ORPHA:688581

Midline cerebral malformation

Midline brain malformation

ORPHA:268926

Midline cervical cleft

ORPHA:141288

Midline interhemispheric variant of holoprosencephaly

MIH · MIH type HPE

ORPHA:93926

Mietens syndrome

Intellectual disability, Mietens-Weber type

ORPHA:2557

Mild Canavan disease

Juvenile Canavan disease

ORPHA:314918

Mild hemophilia A

Mild congenital factor VIII deficiency · Mild congenital F8 deficiency

ORPHA:169808

Mild hyperphenylalaninemia

Mild HPA · Non-PKU HPA

ORPHA:79651

Mild phenylketonuria

Mild PKU · mPKU

ORPHA:79253

Mild phosphoribosylpyrophosphate synthetase superactivity

Mild PRPP synthetase superactivity · Mild PRPS1 superactivity

ORPHA:411536

Mild spondyloepiphyseal dysplasia due to COL2A1 mutation with early-onset osteoarthritis

ORPHA:93279

Miller Fisher syndrome

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

ORPHA:98919

Miller-Dieker syndrome

Lissencephaly due to 17p13.3 deletion · Monosomy 17p13.3

ORPHA:531

Mills syndrome

ORPHA:94091

Milroy disease

Hereditary lymphedema type I · Nonne-Milroy lymphedema

ORPHA:79452

Minimal pigment oculocutaneous albinism type 1

MP OCA type 1 · OCA1-MP

ORPHA:352734

MIR140-related spondyloepiphyseal dysplasia

MIR140-related SED · Spondyloepiphyseal dysplasia with severe brachydactyly-cone-shaped epiphyses

ORPHA:623695

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

Mirhosseini-Holmes-Walton syndrome

Pigmentary retinopathy-intellectual disability syndrome

ORPHA:3084

Mirizzi syndrome

Extrinsic biliary compression syndrome

ORPHA:521219

Mirror polydactyly-vertebral segmentation-limbs defects syndrome

ORPHA:3004

Mirror-image polydactyly

ORPHA:498494

Miscellaneous movement disorder due to genetic neurodegenerative disease

ORPHA:307058

Miscellaneous movement disorder due to neurodegenerative disease

ORPHA:306695

MiT family translocation renal cell carcinoma

Carcinoma associated with MITF/TFE translocation · Kidney cancer

ORPHA:319308

Mitchell Syndrome

ORPHA:631248

MITF-related melanoma and renal cell carcinoma predisposition syndrome

Kidney cancer · RCC

ORPHA:293822

Mitochondrial disease

ORPHA:68380

Mitochondrial disease with dilated cardiomyopathy

ORPHA:217613

Mitochondrial disease with epilepsy

ORPHA:225700

Mitochondrial disease with hypertrophic cardiomyopathy

ORPHA:217587

Mitochondrial disease with peripheral neuropathy

ORPHA:225703

Mitochondrial disorder due to a defect in assembly or maturation of the respiratory chain complexes

ORPHA:309136

Mitochondrial disorder due to a defect in mitochondrial protein synthesis

Combined OXPHOS defect · Combined OXPHOS deficiency

ORPHA:35696

Mitochondrial DNA depletion syndrome

mtDNA depletion syndrome

ORPHA:35698

Mitochondrial DNA depletion syndrome, encephalomyopathic form

mtDNA depletion syndrome, encephalomyopathic form

ORPHA:254803

Mitochondrial DNA depletion syndrome, encephalomyopathic form with methylmalonic aciduria

Booth-Haworth-Dilling syndrome · Mitochondrial encephalomyopathy-aminoacidopathy syndrome

ORPHA:1933

Mitochondrial DNA depletion syndrome, encephalomyopathic form with renal tubulopathy

mtDNA depletion syndrome, encephalomyopathic form with renal tubulopathy

ORPHA:255235

Mitochondrial DNA depletion syndrome, encephalomyopathic form with variable craniofacial anomalies

mtDNA depletion syndrome, encephalomyopathic form with variable craniofacial anomalies

ORPHA:369897

Mitochondrial DNA depletion syndrome, hepatocerebral form

mtDNA depletion syndrome, hepatocerebral form · Deoxyguanosine kinase deficiency

ORPHA:254871

Mitochondrial DNA depletion syndrome, hepatocerebral form due to DGUOK deficiency

ORPHA:279934

Mitochondrial DNA depletion syndrome, hepatocerebrorenal form

mtDNA depletion syndrome, hepatocerebrorenal form

ORPHA:363534