Rare Disease Library

Megalocornea-intellectual disability syndrome

MMR syndrome · Neuhäuser syndrome

MEGDEL syndrome

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

MEHMO syndrome

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

Meigs syndrome

Demons-Meigs syndrome

Melhem-Fahl syndrome

Melnick-Needles syndrome

Melnick-Needles osteodysplasty

Melorheostosis with osteopoikilosis

MSBD syndrome · Mixed sclerosing bone dystrophy

MEND syndrome

Male EBP disorder with neurological defects

Menkes disease

Menkes kinky hair disease · MD

MEPAN syndrome

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

Michels syndrome

3MC1 syndrome · Oculopalatoskeletal syndrome

Micro syndrome

WARBM · Warburg micro syndrome

Microcephaly-capillary malformation syndrome

MIC-CAP syndrome · MIC-CM syndrome

Microcornea-myopic chorioretinal atrophy-telecanthus syndrome

MMCAT syndrome

Microcornea-posterior megalolenticonus-persistent fetal vasculature-coloboma syndrome

MPPC syndrome

Microphthalmia with linear skin defects syndrome

MCOPS7 · MIDAS syndrome

Microphthalmia-brain atrophy syndrome

MCOPS10 · MOBA syndrome

Mietens syndrome

Intellectual disability, Mietens-Weber type

Mills syndrome

MIRAGE syndrome

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

Mirizzi syndrome

Extrinsic biliary compression syndrome

MMEP syndrome

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

Moebius syndrome

Möbius syndrome

MOMO syndrome

Macrocephaly-obesity-intellectual disability-ocular abnormalities syndrome · Macrosomia-obesity-macrocephaly-ocular abnormalities syndrome

Monosomy 18p syndrome

18p- syndrome · De Grouchy syndrome type 1

Monosomy 18q syndrome

18q- syndrome · Deletion 18q

Monosomy 22 syndrome

Del(22) · Deletion 22

Monosomy 5p syndrome

Cri du chat syndrome · Deletion 5p

Monosomy 9p syndrome

9p deletion syndrome · 9p- syndrome

Monosomy X syndrome

MORM syndrome

Intellectual disability-truncal obesity-retinal dystrophy-micropenis syndrome

Morning glory disc anomaly

Morning glory syndrome · Ectasic coloboma

Morvan syndrome

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

Moynahan syndrome

Alopecia-epilepsy-intellectual disability syndrome, Moynahan type

MRCS syndrome

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

Muenke syndrome

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

MARCH 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

Myhre syndrome

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

N syndrome

Naegeli-Franceschetti-Jadassohn syndrome

NFJ syndrome · Naegeli syndrome

NAME syndrome

Nevi-atrial myxoma-myxoid neurofibromata-ephelides syndrome

Nodulosis-arthropathy-osteolysis syndrome

NAO syndrome

Noonan syndrome-like disorder with juvenile myelomonocytic leukemia

CBL syndrome · Noonan syndrome-like disorder with JMML

Oculotrichoanal syndrome

MOTA syndrome · Manitoba oculotrichoanal syndrome