Main Page | See live article | Alphabetical index This list of rare diseases was originally taken from the NIH public domain resource at http://ord.aspensys.com/asp/diseases/diseases.asp . A B C D E F G H I J K L M N O P Q R S T U V W X Y Z O Doherty syndrome O Donnell Pappas syndrome Obesity Obesophobia Obsessive-compulsive disorder Obstructive asymmetric septal hypertrophy Occipital horn syndrome Occlusive Infantile ateriopathy Occult spinal dysraphism Occupational Asthma - Chemicals Occupational Asthma - Metals Occupational Asthma - Plants Occupational Asthma - Wood dust Occupational Asthma-Drugs OCD Ochoa syndrome Ochronosis, hereditary Ochronosis Ocular Albinism Ocular coloboma-imperforate anus Ocular convergence spasm Ocular Histoplasmosis Ocular melanoma Ocular motility disorders Ocular toxoplasmosis Oculo cerebral dysplasia Oculo cerebro acral syndrome Oculo cerebro osseous syndrome Oculo dento digital dysplasia Oculo digital syndrome Oculo facio cardio dental syndrome Oculo skeletal renal syndrome Oculo tricho anal syndrome Oculo tricho dysplasia Oculoauriculofrontonasal syndrome Oculoauriculovertebral dysplasia Oculocerebral hypopigmentation syndrome Cross type Oculocerebral hypopigmentation syndrome type Preus Oculocerebral syndrome with hypopigmentation Oculocerebrocutaneous syndrome Oculocerebrorenal syndrome Oculocutaneous albinism immunodeficiency Oculocutaneous albinism type 1 Oculocutaneous albinism type 2 Oculocutaneous albinism type 3 Oculocutaneous albinism, tyrosinase negative Oculocutaneous albinism, tyrosinase positive Oculocutaneous tyrosinemia Oculodental syndrome Rutherfurd syndrome Oculodentodigital dysplasia dominant Oculodentodigital syndrome Oculo-dento-digital syndrome Oculodentoosseous dysplasia dominant Oculodentoosseous dysplasia recessive Oculodigitoesophagoduodenal syndrome Oculo-gastrointestinal muscular dystrophy Oculomaxillofacial dysostosis Oculomaxillofacial dysplasia with oblique facial clefts Oculomelic amyoplasia Oculopalatoskeletal syndrome Oculopharnygeal muscular dystrophy Oculorenocerebellar syndrome Odonto onycho dysplasia with alopecia Odontoma Odontomicronychial dysplasia Odontoonychodermal dysplasia Odontophobia Odontotrichomelic hypohidrotic dysplasia Odynophobia OFD syndrome type 8 OFD syndrome type Figuera Ogilvie's syndrome Ohaha syndrome Ohdo Madokoro Sonoda syndrome Oikophobia Okamuto Satomura syndrome Olfactophobia Oligodactyly tetramelic postaxial Oligomeganephronic renal hypoplasia Oligomeganephrony Oligophernia Oliver McFarlane syndrome Oliver syndrome Olivopontocerebellar atrophy deafness Olivopontocerebellar atrophy type 1 Olivopontocerebellar atrophy type 2 Olivopontocerebellar atrophy type 3 Olivopontocerebellar atrophy Ollier disease Olmsted syndrome Ombrophobia Omenn syndrome Omodysplasia type 1 Omphalocele cleft palate syndrome lethal Omphalocele exstrophy imperforate anus Omphalomesenteric cyst Omsk hemorrhagic fever Onat syndrome Onchocerciasis Oncocytoma Ondine's curse Oneirophobia Onychonychia hypoplastic distal phalanges Onychotrichodysplasia and neutropenia Ophthalmophobia Opitz Mollica Sorge syndrome Opitz Reynolds Fitzgerald syndrome Opitz syndrome Opportunistic infections Oppositional defiant disorder Opsismodysplasia Ophthalmic icthyosis Ophthalmo acromelic syndrome Ophthalmomandibulomelic dysplasia Ophthalmoplegia ataxia hypoacusis Ophthalmoplegia mental retardation lingua scrotalis Ophthalmoplegia myalgia tubular aggregates Opthalmoplegia progressive external scoliosis Optic atrophy opthalmoplegia ptosis deafness myopia Optic atrophy polyneuropathy deafness Optic atrophy, autosomal dominant Optic atrophy, idiopathic, autosomal recessive Optic atrophy Optic nerve coloboma with renal disease Optic nerve disorder Optic nerve hypoplasia, familial bilateral Optic neuritis Optic pathway glioma Opticoacoustic nerve atrophy dementia Oral facial digital syndrome type 3 Oral facial digital syndrome type 4 Oral facial digital syndrome Oral facial dyskinesia Oral leukoplakia Oral lichen planus Oral lichenoid lesions Oral squamous cell carcinoma Oral submucous fibrosis Oral-facial cleft Oral-facial-digital syndrome, type IV Oral-facial-digital syndrome Oral-pharyngeal disorders Organic brain syndrome Organic mood syndrome Organic personality syndrome Ornithine aminotransferase deficiency Ornithine carbamoyl phosphate deficiency Ornithine transcarbamylase deficiency, hyperammonemia due to Ornithinemia Oro acral syndrome Orofaciodigital syndrome Gabrielli type Orofaciodigital syndrome Shashi type Orofaciodigital syndrome Thurston type Orofaciodigital syndrome type 2 Orofaciodigital syndrome type1 Orotic aciduria hereditary Orotic aciduria purines-pyrimidines Orotidylic decarboxylase deficiency Orstavik Lindemann Solberg syndrome Orthostatic intolerance Osebold Remondini syndrome Oslam syndrome Osmed Syndrome Ossicular Malformations, familial Osteitis deformans Osteoarthritis Osteoarthropathy of fingers familial Osteochondritis deformans juvenile Osteochondritis dissecans Osteochondritis Osteochondrodysplasia thrombocytopenia hydrocephalus Osteochondroma Osteocraniostenosis Osteodysplasia familial Anderson type Osteodysplastic dwarfism Corsello type Osteoectasia familial Osteogenesis imperfecta congenita microcephaly and cataracts Osteogenesis imperfecta congenital joint contractures Osteogenesis imperfecta retinopathy Osteogenic sarcoma Osteoglophonic dwarfism Osteolysis hereditary multicentric Osteolysis syndrome recessive Osteomalacia osteomyelitis Osteonecrosis Osteopathia condensans disseminata with osteopoikilosis Osteopathia striata cranial sclerosis Osteopathia striata pigmentary dermopathy white forelock Osteopetrosis autosomal dominant type 1 Osteopetrosis lethal Osteopetrosis renal tubular acidosis Osteopetrosis, (generic term) Osteopetrosis, malignant Osteopetrosis, mild autosomal recessive form Osteopoikilosis Osteoporosis macrocephaly mental retardation blindness Osteoporosis oculocutaneous hypopigmentation syndrome Osteoporosis pseudoglioma syndrome osteoporosis Osteosarcoma limb anomalies erythroid macrocytosis Osteosclerose type Stanescu Osteosclerosis abnormalities of nervous system and meninges Osteosclerosis autosomal dominant Worth type Osteosclerosis Ostertag type amyloidosis Ota Kawamura Ito syndrome Oto palato digital syndrome type I and II Otodental dysplasia Otofaciocervical syndrome Otoonychoperoneal syndrome Oto-Palatal-digital syndrome Otopalatodigital syndrome type 2 Otosclerosis, familial otosclerosis Otospondylomegaepiphyseal dysplasia Ouvrier Billson syndrome Ovarian cancer Ovarian carcinosarcoma Ovarian dwarfism as part of Turner Syndrome Ovarian dwarfism Ovarian insufficiency due to FSH resistance ovarian remnant syndrome Overfolded helix Overgrowth radial ray defect arthrogryposis Overgrowth syndrome type Fryer Overhydrated hereditary stomatocytosis Oxalosis This article is from Wikipedia. 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