Rare Disease Library

Mammary-digital-nail syndrome

MDN syndrome · Onycho-digito-mammary syndrome

Mandibular hypoplasia-deafness-progeroid features-lipodystrophy syndrome

MDPL syndrome · MDP syndrome

MASS syndrome

Mitral valve-aorta-skeleton-skin syndrome

Maxillonasal dysplasia

Binder syndrome · Maxillonasal dysostosis

Megalencephaly-polymicrogyria-postaxial polydactyly-hydrocephalus syndrome

MPPH syndrome

Melorheostosis with osteopoikilosis

MSBD syndrome · Mixed sclerosing bone dystrophy

Microphthalmia with linear skin defects syndrome

MCOPS7 · MIDAS syndrome

Microphthalmia-brain atrophy syndrome

MCOPS10 · MOBA syndrome

Miller Fisher syndrome

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

Monoamine oxidase A deficiency

Brunner syndrome

Monosomy 18p syndrome

18p- syndrome · De Grouchy syndrome type 1

Monosomy 18q syndrome

18q- syndrome · Deletion 18q

Monosomy 9p syndrome

9p deletion syndrome · 9p- syndrome

Mucopolysaccharidosis type 2

Hunter syndrome · Iduronate 2-sulfatase deficiency

Multiple endocrine neoplasia type 1

MEN1 · Wermer syndrome

Multiple endocrine neoplasia type 2A

MEN2A · PTC syndrome

Multiple synostoses syndrome

Deafness-Hermann type symphalangism syndrome · Facio-audio-symphalangism

Muscle-eye-brain disease

MEB syndrome · Muscle-eye-brain syndrome

Myelodysplastic syndrome associated with isolated del(5q) chromosome abnormality

5q- syndrome · MDS

N syndrome

Naegeli-Franceschetti-Jadassohn syndrome

NFJ syndrome · Naegeli syndrome

Nager syndrome

Mandibulofacial dysostosis with preaxial limb anomalies · NAFD

NAME syndrome

Nevi-atrial myxoma-myxoid neurofibromata-ephelides syndrome

NARP syndrome

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

Naxos disease

KWWH type I · Keratoderma with woolly hair type I

Nelson syndrome

Neonatal ichthyosis-sclerosing cholangitis syndrome

Ichthyosis-hypotrichosis-sclerosing cholangitis syndrome · IHSC

NESCAV syndrome

Neurodegeneration-spasticity-cerebellar atrophy-cortical visual impairment syndrome

Netherton syndrome

Bamboo hair syndrome · Comèl-Netherton syndrome

Neu-Laxova syndrome

Neuhauser-Eichner-Opitz syndrome

Recurrent encephalophathy of childhood

Neurogenic scapuloperoneal syndrome, Kaeser type

Kaeser syndrome · Stark-Kaeser syndrome

NEVADA syndrome

Nevus epidermicus verrucosus with angiodysplasia and aneurysms

Nevo syndrome

Cerebral gigantism, Nevo type

Nicolau syndrome

Embolia cutis medicamentosa · Livedo-like dermatitis

NOCARH syndrome

Neonatal-onset cytopenia-autoinflammation-rash episodes of hemophagocytic lymphohistiocytosis syndrome · Neonatal-onset cytopenia-autoinflammation-rash episodes of HLH syndrome

Nodulosis-arthropathy-osteolysis syndrome

NAO syndrome

Noonan syndrome

Noonan syndrome-like disorder with juvenile myelomonocytic leukemia

CBL syndrome · Noonan syndrome-like disorder with JMML

Null syndrome

PLP1 null syndrome · Pelizaeus-Merzbacher disease, null syndrome

Oculocerebrorenal syndrome of Lowe

Lowe disease · Lowe oculo-cerebro-renal syndrome

Oculogastrointestinal-neurodevelopmental syndrome

OGIN Syndrome

Odontomatosis-aortae esophagus stenosis syndrome

Bader syndrome

Oliver syndrome

Postaxial polydactyly-intellectual disability syndrome

Ophthalmomandibulomelic dysplasia

OMM syndrome · Pillay syndrome

Opsoclonus-myoclonus syndrome

Ataxo-opso-myoclonus syndrome · Dancing eye syndrome

Otofaciocervical syndrome

Fara-Chlupackova syndrome · OFC syndrome

Pai syndrome

Median cleft of the upper lip-corpus callosum lipoma-midline facial cutaneous polyps syndrome