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"

10,911 rare diseases

Otodental syndrome

Globodontia · Otodental dysplasia

ORPHA:2791

Otofaciocervical syndrome

Fara-Chlupackova syndrome · OFC syndrome

ORPHA:2792

Otomandibular dysplasia

ORPHA:155896

Otomandibular dysplasia associated with monogenic syndromes

ORPHA:156202

Otomandibular syndrome

First branchial arch syndrome · Laterofacial microsomia

ORPHA:141136

Otoonychoperoneal syndrome

ORPHA:2793

Otopalatodigital syndrome spectrum disorder

OPSD · OPD spectrum disorder

ORPHA:364541

Otopalatodigital syndrome type 1

OPD I syndrome · OPD syndrome 1

ORPHA:90650

Otopalatodigital syndrome type 2

OPD II syndrome · OPD syndrome 2

ORPHA:90652

Ovarian dysgerminoma

Dysgerminoma of ovary · Dysgerminomatous germ cell cancer of the ovary

ORPHA:99912

Ovarian fibroma

ORPHA:314473

Ovarian fibrothecoma

ORPHA:314478

Ovarian hyperstimulation syndrome

OHSS

ORPHA:64739

Ovarioleukodystrophy

ORPHA:99853

Overgrowth or tall stature syndrome with skeletal involvement

ORPHA:498448

Overgrowth syndrome

ORPHA:93460

Overgrowth syndrome with 2q37 translocation

ORPHA:498488

Overgrowth-macrocephaly-facial dysmorphism syndrome

ORPHA:137634

Overgrowth-metaphyseal undermodeling-spondylar dysplasia syndrome

ORPHA:498485

Overgrowth/obesity syndrome

ORPHA:139024

Overhydrated hereditary stomatocytosis

ORPHA:3203

Overlap myositis

Non-specific myositis · Adult-onset overlap myositis

ORPHA:206572

Overlapping connective tissue disease

ORPHA:251312

Oxoglutaric aciduria

Alpha-ketoglutarate dehydrogenase deficiency

ORPHA:31

Pachydermoperiostosis

PDP · Touraine-Solente-Gole syndrome

ORPHA:2796

Pachygyria-intellectual disability-epilepsy syndrome

Kuzniecky syndrome

ORPHA:2798

Pachyonychia congenita

PC

ORPHA:2309

Paget disease of the nipple

Paget's disease of the nipple · Paget disease of the breast

ORPHA:180275

PAGOD syndrome

Pulmonary hypoplasia-agonadism-dextrocardia-diaphragmatic hernia syndrome

ORPHA:991

Pai syndrome

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

ORPHA:1993

PAICS deficiency

Phosphoribosylaminoimidazole carboxylase deficiency

ORPHA:633099

Painful legs and moving toes syndrome

PLMT syndrome

ORPHA:617440

Painful orbital and systemic neurofibromas-marfanoid habitus syndrome

ORPHA:300501

Palatal anomalies-widely spaced teeth-facial dysmorphism-developmental delay syndrome

Palatal anomalies-multiple diastemata-facial dysmorphism-developmental delay syndrome

ORPHA:477993

Pallister-Hall syndrome

Hypothalamic hamartoblastoma syndrome

ORPHA:672

Pallister-Killian syndrome

Isochromosome 12p mosaicism · Isochromosome 12p syndrome

ORPHA:884

Palmoplantar keratoderma with tonotubular keratin

ORPHA:89833

Palmoplantar keratoderma-deafness syndrome

PPK-deafness syndrome · Palmoplantar hyperkeratosis-deafness syndrome

ORPHA:2202

Palmoplantar keratoderma-esophageal carcinoma syndrome

Bennion-Patterson syndrome · Howell-Evans syndrome

ORPHA:2198

Palmoplantar keratoderma-hereditary motor and sensory neuropathy syndrome

Palmoplantar keratoderma-Charcot-Marie-Tooth syndrome

ORPHA:538574

Palmoplantar keratoderma-spastic paralysis syndrome

Palmoplantar hyperkeratosis-spastic paralysis syndrome · Powell-Venencie-Gordon syndrome

ORPHA:2201

Palmoplantar keratoderma-XX sex reversal-predisposition to squamous cell carcinoma syndrome

Palmoplantar hyperkeratosis-XX sex reversal-predisposition to squamous cell carcinoma syndrome

ORPHA:85112

Palmoplantar keratoderma, Nagashima type

PPK, Nagashima type · Palmoplantar hyperkeratosis, Nagashima type

ORPHA:140966

Palmoplantar porokeratosis of Mantoux

ORPHA:736

Pancreatic agenesis-holoprosencephaly syndrome

ORPHA:556955

Pancreatic arteriovenous malformation

Arteriovenous malformation of the pancreas

ORPHA:693826

Pancreatic colipase deficiency

ORPHA:309108

Pancreatic hypoplasia-diabetes-congenital heart disease syndrome

Pancreatic agenesis and congenital heart defects syndrome · Yorifuji-Okuno syndrome

ORPHA:2255