Monosomy 18q syndrome
ORPHA:1600Monosomy 9p syndrome
ORPHA:261112MRCS syndrome
ORPHA:263347Multiple endocrine neoplasia type 2A
ORPHA:247698Multiple synostoses syndrome
ORPHA:3237Muscle-eye-brain disease
ORPHA:588Myelodysplastic syndrome associated with isolated del(5q) chromosome abnormality
ORPHA:86841N syndrome
ORPHA:2608Naegeli-Franceschetti-Jadassohn syndrome
ORPHA:69087NAME syndrome
ORPHA:623NARP syndrome
ORPHA:644Nevo syndrome
ORPHA:2691Nodulosis-arthropathy-osteolysis syndrome
ORPHA:85196Noonan syndrome-like disorder with juvenile myelomonocytic leukemia
ORPHA:363972Null syndrome
ORPHA:280234Oculocerebrorenal syndrome of Lowe
ORPHA:534Oculodentodigital dysplasia
ORPHA:2710Oculofaciocardiodental syndrome
ORPHA:2712Oculogastrointestinal-neurodevelopmental syndrome
ORPHA:611201Oley syndrome
ORPHA:79458Onycho-tricho-dysplasia-neutropenia syndrome
ORPHA:2739Ophthalmomandibulomelic dysplasia
ORPHA:2741Opsoclonus-myoclonus syndrome
ORPHA:1183Otofaciocervical syndrome
ORPHA:2792Otopalatodigital syndrome type 1
ORPHA:90650Pai syndrome
ORPHA:1993Painful legs and moving toes syndrome
ORPHA:617440PARC syndrome
ORPHA:2825PASS syndrome
ORPHA:641385PEHO syndrome
ORPHA:2836POEMS syndrome
ORPHA:2905Port-wine nevi-mega cisterna magna-hydrocephalus syndrome
ORPHA:2703Progressive supranuclear palsy
ORPHA:683Proteasome-associated autoinflammatory syndrome
ORPHA:324977Prune belly syndrome
ORPHA:2970Ptosis-vocal cord paralysis syndrome
ORPHA:2997Recombinant 8 syndrome
ORPHA:96167RIN2 syndrome
ORPHA:217335Ring chromosome 1 syndrome
ORPHA:1437Ring chromosome 11 syndrome
ORPHA:96175Ring chromosome 22 syndrome
ORPHA:1446Ring chromosome 4 syndrome
ORPHA:1447Ring chromosome 8 syndrome
ORPHA:1450RNU4-2-related autosomal dominant neurodevelopmental disorder
ORPHA:686488Rombo syndrome
ORPHA:3110Sanjad-Sakati syndrome
ORPHA:2323SCALP syndrome
ORPHA:370052SCARF syndrome
ORPHA:3134