# List of diseases (C)

This is a list of diseases starting with the letter "C".
* 0–9
* 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

## See also

    Health
    Exercise
    Nutrition

## C

* C syndrome
* C1 esterase deficiency (angioedema)

## Ca
### Cac–Cal

* Cacchi–Ricci disease
* CACH syndrome
* Café au lait spots syndrome
* Caffeine-induced sleep disorder
* Caffey disease
* CAHMR syndrome
* Calcinosis cutis (see also CREST syndrome)
* Calciphylaxis
* Calculi
* Calderon–Gonzalez–Cantu syndrome
* Calloso genital dysplasia
* Callus disease
* Calpainopathy
* Calvarial doughnut lesions-bone fragility syndrome
* Calvarial hyperostosis

### Cam–Can

* Camera–Marugo–Cohen syndrome
* Camfak syndrome
* Campomelia Cumming type
* Camptobrachydactyly
* Camptocormia
* Camptodactyly fibrous tissue hyperplasia skeletal dysplasia
* Camptodactyly joint contractures facial skeletal dysplasia
* Camptodactyly overgrowth unusual facies
* Camptodactyly syndrome Guadalajara type 1
* Camptodactyly syndrome Guadalajara type 2
* Camptodactyly-taurinuria syndrome
* Camptodactyly vertebral fusion
* Campylobacteriosis
* Camurati–Engelmann disease
* Canavan leukodystrophy
* Candidiasis
** Chronic mucocutaneous candidiasis
* Canga's bead symptom
* Canine distemper
* Cannabis dependence
* Cannabis withdrawal
* Cantalamessa–Baldini–Ambrosi syndrome
* Cantu–Sanchez–Corona–Fragoso syndrome
* Cantu–Sanchez–Corona–Garcia syndrome
* Cantu–Sanchez–Corona–Hernandes syndrome

### Cap

* Capillary leak syndrome
* Capillary leak syndrome with monoclonal gammopathy
* Capillary venous leptomeningeal angiomatosis
* Caplan's syndrome
* CAPOS syndrome

### Car
#### Cara–Carc

* Caratolo–Cilio–Pessagno syndrome
* Carbamoyl phosphate synthetase deficiency
* Carbamoyl phosphate synthetase I deficiency
* Carbohydrate deficient glycoprotein syndrome
* Carbon baby syndrome
* Carbonic anhydrase II deficiency
* Carcinoid syndrome
* Carcinoma of the vocal tract
* Carcinoma, squamous cell
* Carcinoma, squamous cell of head and neck
* Carcinophobia

#### Card
##### Cardi
###### Cardia

* Cardiac amyloidosis
* Cardiac and laterality defects
* Cardiac arrest
* Cardiac conduction defect, familial
* Cardiac diverticulum
* Cardiac hydatid cysts with intracavitary expansion
* Cardiac malformation
* Cardiac tamponade
* Cardiac valvular dysplasia, X-linked

###### Cardio

* Cardioauditory syndrome
* Cardioauditory syndrome of Sanchez-Cascos
* Cardiofacial syndrome short limbs
* Cardiofaciocutaneous syndrome
* Cardiogenital syndrome
* Cardiomelic syndrome Stratton Koehler type
* Cardiomyopathy:
** Arrhythmogenic right ventricular cardiomyopathy
** Cardiomyopathic lentiginosis
** Cardiomyopathy cataract hip spine disease
** Cardiomyopathy diabetes deafness
** Dilated cardiomyopathy: Cardiomyopathy dilated with conduction defect type 1, Cardiomyopathy dilated with conduction defect type 2, Cardiomyopathy, familial dilated
** Cardiomyopathy due to anthracyclines
** Cardiomyopathy hearing loss type t RNA lysine gene mutation
** Hypertrophic cardiomyopathy: familial
** Cardiomyopathy hypogonadism metabolic anomalies
** Cardiomyopathy spherocytosis
** Cardiomyopathy, fatal fetal, due to myocardial calcification
** Cardiomyopathy, X linked, fatal infantile
** Restrictive cardiomyopathy
* Cardioskeletal myopathy-neutropenia
* Cardiospasm
* Cardiospondylocarpofacial syndrome

#### Care–Carr

* Caregiver syndrome
* Carey–Fineman–Ziter syndrome
* Carnevale–Canun–Mendoza syndrome
* Carnevale–Hernandez–Castillo syndrome
* Carnevale–Krajewska–Fischetto syndrome
* Carney syndrome
* Carnitine palmitoyl transferase deficiency
   * Carnitine palmitoyltransferase I deficiency
   * Carnitine palmitoyltransferase II deficiency
* Carnitine transporter deficiency
* Carnitine-acylcarnitine translocase deficiency
* Carnosinase deficiency
* Carnosinemia
* Caroli disease
* Carotenemia
* Carotid artery dissection
* Carpal deformity migrognathia microstomia
* Carpal tunnel syndrome
* Carpenter syndrome
* Carpenter–Hunter type
* Carpo tarsal osteolysis recessive
* Carpotarsal osteochondromatosis
* Carrington syndrome

#### Cart

* Cartilage hair hypoplasia like syndrome
* Cartilage–hair hypoplasia
* Cartilaginous neoplasms
* Cartwright–Nelson–Fryns syndrome

### Cas

* Cassia–Stocco–Dos Santos syndrome
* Castleman's disease
* Castro–Gago–Pombo–Novo syndrome

### Cat

* Cat-cry syndrome – see Cri du chat syndrome
* Cat-eye syndrome aka Schmid–Fraccaro syndrome
* Cat-scratch disease

#### Cata

* Cataract
* Cataract, congenital ichthyosis
* Cataract aberrant oral frenula growth retardation
* Cataract anterior polar dominant
* Cataract-ataxia-deafness syndrome
* Cataract cardiomyopathy
* Cataract congenital autosomal dominant
* Cataract congenital dominant non nuclear
* Cataract congenital Volkmann type
* Cataract congenital with microphthalmia
* Cataract dental syndrome
* Cataract Hutterite type
* Cataract hypertrichosis mental retardation
* Cataract mental retardation hypogonadism
* Cataract microcornea syndrome
* Cataract microphthalmia septal defect
* Cataract skeletal anomalies
* Cataract, alopecia, sclerodactyly
* Cataract, congenital, with microcornea or slight microphthalmia
* Cataract, total congenital
* Cataract-glaucoma

#### Catc–Cate

* CATCH 22 syndrome
* Catecholamine hypertension
* Catel–Manzke syndrome

### Cau–Cay

* Caudal appendage deafness
* Caudal duplication
* Caudal regression syndrome
* Causalgia
* Cavernous hemangioma
* Cavernous lymphangioma
* Cavernous sinus thrombosis
* Cayler syndrome

## Cc–Cd

* CCA syndrome
* Ccge syndrome
* CCHS
* CDG syndrome
* CDG syndrome type 1A
* CDG syndrome type 1B
* CDG syndrome type 1C
* CDG syndrome type 2
* CDG syndrome type 3
* CDG syndrome type 4
* CDK4 linked melanoma

## Ce
### Cec–Cep

* Cecato De lima Pinheiro syndrome
* Celiac disease epilepsy occipital calcifications
* Celiac sprue
* Cenani–Lenz syndactylism
* Cennamo–Gangemi syndrome
* Central core disease
* Central diabetes insipidus
* Central nervous system protozoal infections
* Central serous chorioretinopathy
* Central type neurofibromatosis
* Centromeric instability immunodeficiency syndrome
* Centronuclear myopathy
* Centrotemporal epilepsy
* Cephalopolysyndactyly

### Cer
#### Cera

* Ceramidase deficiency
* Ceramide trihexosidosis
* Ceraunophobia

#### Cere
##### Cereb
###### Cerebe

* Cerebellar agenesis
* Cerebellar ataxia areflexia pes cavus optic atrophy
* Cerebellar ataxia ectodermal dysplasia
* Cerebellar ataxia infantile with progressive external ophthalmoplegia
* Cerebellar ataxia, dominant pure
* Cerebellar degeneration
* Cerebellar degeneration, subacute
* Cerebellar hypoplasia
* Cerebellar hypoplasia endosteal sclerosis
* Cerebellar hypoplasia tapetoretinal degeneration
* Cerebellar parenchymal degeneration
* Cerebelloolivary atrophy
* Cerebelloparenchymal disorder 3
* Cerebellum agenesis hydrocephaly

###### Cerebr

* Cerebral amyloid angiopathy
* Cerebral amyloid angiopathy, familial
* Cerebral aneurysm
* Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy
* Cerebral calcification cerebellar hypoplasia
* Cerebral calcifications opalescent teeth phosphaturia
* Cerebral cavernous malformation
* Cerebral cavernous malformations
* Cerebral gigantism
* Cerebral gigantism jaw cysts
* Cerebral hypoxia
* Cerebral malformations hypertrichosis claw hands
* Cerebral palsy
* Cerebral thrombosis
* Cerebral ventricle neoplasms
* Cerebro facio articular syndrome
* Cerebro facio thoracic dysplasia
* Cerebro oculo dento auriculo skeletal syndrome
* Cerebro oculo genital syndrome
* Cerebro oculo skeleto renal syndrome
* Cerebro reno digital syndrome
* Cerebroarthrodigital syndrome
* Cerebro-costo-mandibular syndrome
* Cerebro-oculo-facio-skeletal syndrome
* Cerebroretinal vasculopathy

#### Cero–Cerv

* Ceroid lipofuscinois, neuronal
* Ceroid lipofuscinois, neuronal 1, infantile
* Ceroid lipofuscinois, neuronal 2, late infantile
* Ceroid lipofuscinois, neuronal 3, juvenile
* Ceroid lipofuscinois, neuronal 4, adult type
* Ceroid lipofuscinois, neuronal 5, late infantile
* Ceroid lipofuscinois, neuronal 6, late infantile
* Cervical cancer
* Cervical hypertrichosis neuropathy
* Cervical hypertrichosis peripheral neuropathy
* Cervical ribs sprengel anomaly polydactyly
* Cervical spinal stenosis
* Cervical vertebral fusion
* Cervicooculoacoustic syndrome

## Ch
### Cha
#### Chag–Chao

* Chagas disease
* Chalazion
* Chanarin disease
* Chanarin–Dorfman syndrome ichthyosis
* Chancroid
* Chandler's syndrome
* Chands syndrome
* Chang–Davidson–Carlson syndrome
* Chaotic atrial tachycardia

#### Char

* Char syndrome

##### Charcot

Charcot d
* Charcot disease
Charcot–Marie–Tooth disease
* Charcot–Marie–Tooth disease
* Charcot–Marie–Tooth disease deafness dominant type
* Charcot–Marie–Tooth disease deafness mental retardation
* Charcot–Marie–Tooth disease deafness recessive type
* Charcot–Marie–Tooth disease type 1 aplasia cutis congenita
* Charcot–Marie–Tooth disease type 1A
* Charcot–Marie–Tooth disease type 1B
* Charcot–Marie–Tooth disease type 1C
* Charcot–Marie–Tooth disease type 2A
* Charcot–Marie–Tooth disease type 2B1
* Charcot–Marie–Tooth disease type 2B2
* Charcot–Marie–Tooth disease type 2C
* Charcot–Marie–Tooth disease type 2D
* Charcot–Marie–Tooth disease type 4A
* Charcot–Marie–Tooth disease type 4B
* Charcot–Marie–Tooth disease with ptosis and parkinsonism
* Charcot–Marie–Tooth disease, intermediate form
* Charcot–Marie–Tooth disease, neuronal, type A
* Charcot–Marie–Tooth disease, neuronal, type B
* Charcot–Marie–Tooth disease, neuronal, type D
* Charcot–Marie–Tooth disease, X-linked type 2, recessive
* Charcot–Marie–Tooth disease, X-linked type 3, recessive
* Charcot–Marie–Tooth peroneal muscular atrophy, X-linked

##### Charg–Charl

* CHARGE syndrome
* Charles' disease
* Charlie M syndrome

#### Chav

* Chavany–Brunhes syndrome

### Che

* Chediak–Higashi syndrome
* Cheilitis glandularis
* Chemke–Oliver–Mallek syndrome
* Chemodectoma
* Chemophobia
* Chen-Kung Ho–Kaufman–Mcalister syndrome
* Cherubism

### Chi–Chl

* Chiari type 1 malformation
* Chiari–Frommel syndrome
* Chickenpox
* Chikungunya
* CHILD syndrome ichthyosis
* Childhood disintegrative disorder
* Childhood pustular psoriasis
* Chimerism
* Chinese restaurant syndrome
* Chitayat–Haj–Chahine syndrome
* Chitayat–Meunier–Hodgkinson syndrome
* Chitayat–Moore–Del Bigio syndrome
* Chitty–Hall–Baraitser syndrome
* Chitty–Hall–Webb syndrome
* Chlamydia
* Chlamydia pneumoniae
* Chlamydia trachomatis
* Chlamydial and gonococcal conjunctivitis

### Cho
#### Choa–Chol

* Choanal atresia deafness cardiac defects dysmorphia
* Cholangiocarcinoma
* Cholangitis, primary sclerosing
* Cholecystitis
* Choledochal cyst, hand malformation
* Cholelithiasis
* Cholemia, familial
* Cholera
* Cholestasis
* Cholestasis pigmentary retinopathy cleft palate
* Cholestasis, progressive familial intrahepatic
* Cholestasis, progressive familial intrahepatic 1
* Cholestasis, progressive familial intrahepatic 2
* Cholestasis, progressive familial intrahepatic 3
* Cholestatic jaundice renal tubular insufficiency
* Cholesterol ester storage disease
* Cholesterol esterification disorder
* Cholesterol pneumonia

#### Chon

* Chondroblastoma
* Chondrocalcinosis
* Chondrocalcinosis familial articular
* Chondrodysplasia lethal recessive
* Chondrodysplasia pseudohermaphrodism syndrome
* Chondrodysplasia punctata
* Chondrodysplasia punctata 1, x-linked recessive
* Chondrodysplasia punctata with steroid sulfatase deficiency
* Chondrodysplasia punctata, brachytelephalangic
* Chondrodysplasia punctata, Sheffield type
* Chondrodysplasia situs inversus imperforate anus polydactyly
* Chondrodysplasia, Grebe type
* Chondrodystrophy
* Chondroectodermal dysplasia
* Chondroma (benign)
* Chondromalacia
* Chondromatosis (benign)
* Chondrosarcoma (malignant)
* Chondrysplasia punctata, humero-metacarpal type

#### Chor

* Chordoma
* Chorea
* Chorea acanthocytosis
* Chorea familial benign
* Chorea minor
* Choreoacanthocytosis amyotrophic
* Choreoathetosis familial paroxysmal
* Choriocarcinoma
* Chorioretinitis
* Chorioretinopathy dominant form microcephaly
* Choroid plexus cyst
* Choroid plexus neoplasms
* Choroidal atrophy alopecia
* Choroideremia
* Choroideremia hypopituitarism
* Choroiditis
* Choroiditis, serpiginous
* Choroido cerebral calcification syndrome infantile

### Chr
#### Chri

* Christian–Demyer–Franken syndrome
* Christian–Johnson–Angenieta syndrome
* Christian syndrome
* Christianson–Fourie syndrome
* Christmas disease

#### Chro
##### Chrom

* Chromhidrosis

###### Chromo

Chromom–Chromop
* Chromomycosis
* Chromophobe renal carcinoma
Chromos Chromosoma
* Chromosomal triplication
Chromosome Chromosome 1
* Chromosome 1 ring
* Chromosome 1, 1p36 deletion syndrome
* Chromosome 1, deletion q21 q25
* Chromosome 1, duplication 1p21 p32
* Chromosome 1, monosomy 1p
* Chromosome 1, monosomy 1p22 p13
* Chromosome 1, monosomy 1p31 p22
* Chromosome 1, monosomy 1p32
* Chromosome 1, monosomy 1p34 p32
* Chromosome 1, monosomy 1q25 q32
* Chromosome 1, monosomy 1q32 q42
* Chromosome 1, monosomy 1q4
* Chromosome 1, q42 11 q42 12 duplication
* Chromosome 1, trisomy 1q32 qter
* Chromosome 1, trisomy 1q42 qter
* Chromosome 1, uniparental disomy 1q12 q21
Chromosome 10 – Chromosome 12
* Chromosome 10 ring
* Chromosome 10, distal trisomy 10q
* Chromosome 10, monosomy 10p
* Chromosome 10, monosomy 10q
* Chromosome 10, trisomy 10p
* Chromosome 10, trisomy 10pter p13
* Chromosome 10, trisomy 10q
* Chromosome 10, uniparental disomy of
* Chromosome 10p terminal deletion syndrome
* Chromosome 11, deletion 11p
* Chromosome 11, partial trisomy 11q
* Chromosome 11-14 translocation
* Chromosome 11p, partial deletion
* Chromosome 11q partial deletion
* Chromosome 11q trisomy
* Chromosome 12 ring
* Chromosome 12, 12p trisomy
* Chromosome 12, trisomy 12q
* Chromosome 12p deletion
* Chromosome 12p partial deletion
Chromosome 13 – Chromosome 15
* Chromosome 13 duplication
* Chromosome 13 ring
* Chromosome 13, partial monosomy 13q
* Chromosome 13p duplication
* Chromosome 13q deletion
* Chromosome 13q trisomy
* Chromosome 13q-mosaicism
* Chromosome 14 ring
* Chromosome 14 trisomy
* Chromosome 14, deletion 14q, partial duplication 14p
* Chromosome 14, trisomy mosaic
* Chromosome 14q, partial deletions
* Chromosome 14q, proximal duplication
* Chromosome 14q, terminal deletion
* Chromosome 14q, terminal duplication
* Chromosome 15 ring
* Chromosome 15, distal trisomy 15q
* Chromosome 15, trisomy mosaicism
* Chromosome 15q, partial deletion
* Chromosome 15q, tetrasomy
* Chromosome 15q, trisomy
Chromosome 16 – Chromosome 1q
* Chromosome 16, trisomy 16p
* Chromosome 16, trisomy 16q
* Chromosome 16, trisomy
* Chromosome 16, uniparental disomy
* Chromosome 17 trisomy
* Chromosome 17 deletion
* Chromosome 17 ring
* Chromosome 17, deletion 17q23 q24
* Chromosome 17, trisomy 17p
* Chromosome 17, trisomy 17p11 2
* Chromosome 17, trisomy 17q22
* Chromosome 18 long arm deletion syndrome
* Chromosome 18 mosaic monosomy
* Chromosome 18 ring
* Chromosome 18, deletion 18q23
* Chromosome 18, monosomy 18p
* Chromosome 18, tetrasomy 18p
* Chromosome 18, trisomy 18p
* Chromosome 18, trisomy 18q
* Chromosome 18, trisomy
* Chromosome 19 ring
* Chromosome 19, trisomy 19q
* Chromosome 1q, duplication 1q12 q21
Chromosome 2
* Chromosome 2, monosomy 2p22
* Chromosome 2, monosomy 2pter p24
* Chromosome 2, monosomy 2q
* Chromosome 2, monosomy 2q24
* Chromosome 2, monosomy 2q37
* Chromosome 2, trisomy 2p
* Chromosome 2, Trisomy 2p13 p21
* Chromosome 2, trisomy 2pter p24
* Chromosome 2, trisomy 2q
* Chromosome 2, trisomy 2q37
Chromosome 20 – Chromosome 22
* Chromosome 20 ring
* Chromosome 20, deletion 20p
* Chromosome 20, duplication 20p
* Chromosome 20, trisomy
* Chromosome 21 monosomy
* Chromosome 21 ring
* Chromosome 21, monosomy 21q22
* Chromosome 21, tetrasomy 21q
* Chromosome 21, uniparental disomy of
* Chromosome 22 ring
* Chromosome 22 trisomy mosaic
* Chromosome 22, microdeletion 22 q11
* Chromosome 22, monosome mosaic
* Chromosome 22, trisomy q11 q13
* Chromosome 22, trisomy
Chromosome 3
* Chromosome 3 duplication syndrome
* Chromosome 3, monosomy 3p
* Chromosome 3, monosomy 3p14 p11
* Chromosome 3, monosomy 3p2
* Chromosome 3, monosomy 3p25
* Chromosome 3, monosomy 3q13
* Chromosome 3, monosomy 3q21 23
* Chromosome 3, monosomy 3q27
* Chromosome 3, trisomy 3p
* Chromosome 3, trisomy 3p25
* Chromosome 3, trisomy 3q
* Chromosome 3, trisomy 3q13 2 q25
* Chromosome 3, Trisomy 3q2
Chromosome 4 – Chromosome 5
* Chromosome 4 ring
* Chromosome 4 short arm deletion
* Chromosome 4, monosomy 4p14 p16
* Chromosome 4, monosomy 4q
* Chromosome 4, monosomy 4q32
* Chromosome 4, monosomy distal 4q
* Chromosome 4, partial trisomy distal 4q
* Chromosome 4, Trisomy 4p
* Chromosome 4, trisomy 4q
* Chromosome 4, trisomy 4q21
* Chromosome 4, trisomy 4q25 qter
* Chromosome 5, monosomy 5q35
* Chromosome 5, trisomy 5p
* Chromosome 5, trisomy 5pter p13 3
* Chromosome 5, trisomy 5q
* Chromosome 5, uniparental disomy
Chromosome 6 – Chromosome 7
* Chromosome 6 ring
* Chromosome 6, deletion 6q13 q15
* Chromosome 6, monosomy 6p23
* Chromosome 6, monosomy 6q
* Chromosome 6, monosomy 6q1
* Chromosome 6, monosomy 6q2
* Chromosome 6, partial trisomy 6q
* Chromosome 6, trisomy 6p
* Chromosome 6, trisomy 6q
* Chromosome 7 ring
* Chromosome 7, monosomy 7q2
* Chromosome 7, monosomy 7q21
* Chromosome 7, monosomy 7q3
* Chromosome 7, monosomy
* Chromosome 7, partial monosomy 7p
* Chromosome 7, trisomy 7p
* Chromosome 7, trisomy 7p13 p12 2
* Chromosome 7, trisomy 7q
* Chromosome 7, trisomy mosaic
Chromosome 8 – Chromosome 9
* Chromosome 8 deletion
* Chromosome 8 ring
* Chromosome 8, monosomy 8p
* Chromosome 8, monosomy 8p2
* Chromosome 8, monosomy 8p23 1
* Chromosome 8, monosomy 8q
* Chromosome 8, mosaic trisomy
* Chromosome 8, partial trisomy
* Chromosome 8, trisomy 8p
* Chromosome 8, trisomy 8q
* Chromosome 8, trisomy
* Chromosome 9 inversion or duplication
* Chromosome 9 Ring
* Chromosome 9, duplication 9q21
* Chromosome 9, monosomy 9p
* Chromosome 9, partial monosomy 9p
* Chromosome 9, partial trisomy 9p
* Chromosome 9, tetrasomy 9p
* Chromosome 9, trisomy 9q
* Chromosome 9, trisomy 9q32
* Chromosome 9, trisomy mosaic
* Chromosome 9, trisomy
Chromosomes
* Chromosomes 1 and 2, monosomy 2q duplication 1p

##### Chron

* Chronic berylliosis
* Chronic bronchitis
* Chronic demyelinizing neuropathy with IgM monoclonal
* Chronic erosive gastritis
* Chronic fatigue immune dysfunction syndrome
* Chronic fatigue syndrome
* Chronic granulomatous disease
* Chronic hiccup
* Chronic inflammatory demyelinating polyneuropathy
* Chronic lymphocytic leukemia
* Chronic mountain sickness
* Chronic mucocutaneous candidiasis
* Chronic myelogenous leukemia
* Chronic myelomonocytic leukemia
* Chronic necrotizing vasculitis
* Chronic neutropenia
* Chronic obstructive pulmonary disease
* Chronic polyradiculoneuritis
* Chronic recurrent multifocal osteomyelitis
* Chronic renal failure
* Chronic spasmodic dysphonia
* Chronic, infantile, neurological, cutaneous, articular syndrome

### Chu–Chy

* Chudley–Lowry–Hoar syndrome
* Chudley–Rozdilsky syndrome
* Chudley–Mccullough syndrome
* Churg–Strauss syndrome
* Chylous ascites

## Ci

* Cicatricial pemphigoid
* Ciguatera fish poisoning
* Ciliary discoordination, due to random ciliary orientation
* Ciliary dyskinesia, due to transposition of ciliary microtubules
* Ciliary dyskinesia-bronchiectasis
* Cilliers–Beighton syndrome
* Cinchonism
* Circumscribed cutaneous aplasia of the vertex
* Circumscribed disseminated keratosis Jadassohn–Lew type
* Citrullinemia

## Cl
### Cla

* Clarkson disease
* Clayton–Smith–Donnai syndrome

### Cle
#### Clef
##### Cleft
###### Cleft h – Cleft l

* Cleft hand absent tibia
* Cleft lip
* Cleft lip and palate malrotation cardiopathy
* Cleft lip and/or palate with mucous cysts of lower
* Cleft lip palate abnormal thumbs microcephaly
* Cleft lip palate deafness sacral lipoma
* Cleft lip palate dysmorphism Kumar type
* Cleft lip palate ectrodactyly
* Cleft lip palate incisor and finger anomalies
* Cleft lip palate mental retardation corneal opacity
* Cleft lip palate oligodontia syndactyly pili torti
* Cleft lip palate pituitary deficiency
* Cleft lip palate-tetraphocomelia
* Cleft lip with or without cleft palate
* Cleft lower lip cleft lateral canthi chorioretinal

###### Cleft p – Cleft u

* Cleft palate
* Cleft palate cardiac defect ectrodactyly
* Cleft palate colobomata radial synostosis deafness
* Cleft palate heart disease polydactyly absent tibia
* Cleft palate lateral synechia syndrome
* Cleft palate short stature vertebral anomalies
* Cleft palate stapes fixation oligodontia
* Cleft palate X linked
* Cleft tongue syndrome
* Cleft upper lip median cutaneous polyps

###### Clefti

* Clefting ectropion conical teeth

#### Clei

* Cleidocranial dysplasia
* Cleidocranial dysplasia micrognathia absent thumbs

### Cli–Clu

* Cloacal exstrophy
* Clonal hypereosinophilia
* Clouston syndrome
* Cloverleaf skull bone dysplasia
* Cloverleaf skull micromelia thoracic dysplasia
* Clubfoot
* Cluster headache

## Cm

* CMV antenatal infection

## Co
### Coa–Cof

* COACH syndrome
* Coal workers' pneumoconiosis
* Coarctation of aorta dominant
* Coarse face hypotonia constipation
* Coats disease
* Cocaine antenatal infection
* Cocaine dependence
* Cocaine fetopathy
* Cocaine intoxication
* Coccidioidomycosis
* Cochin Jewish Disorder
* Cockayne syndrome type 1
* Cockayne syndrome type 2
* Cockayne syndrome type 3
* Cockayne's syndrome
* CODAS syndrome
* Codesette syndrome
* Coeliac disease
* Coenzyme Q cytochrome c reductase deficiency of
* Coffin–Lowry syndrome
* Coffin–Siris syndrome
* COFS syndrome

### Cog–Coh

* Cogan–Reese syndrome
* Cogan syndrome
* Cohen-Gibson syndrome
* Cohen–Hayden syndrome
* Cohen–Lockood–Wyborney syndrome
* Cohen syndrome

### Col
#### Cola–Coll

* Colavita–Kozlowski syndrome
* Cold abscess
* Cold agglutination syndrome
* Cold agglutinin disease
* Cold antibody hemolytic anemia
* Cold contact urticaria
* Cold urticaria
* Cole carpenter syndrome
* Coleman–Thome syndrome
* Colitis
* Collagen disorder
* Collagenous colitis
* Collaural fistula
* Collins–Pope syndrome
* Collins–Sakati syndrome

#### Colo–Colv

* Coloboma chorioretinal cerebellar vermis aplasia
* Coloboma hair abnormality
* Coloboma of choroid and retina
* Coloboma of eye lens
* Coloboma of iris
* Coloboma of lens ala nasi
* Coloboma of macula-brachydactyly type B syndrome
* Coloboma of macula
* Coloboma of optic nerve
* Coloboma of optic papilla
* Coloboma porencephaly hydronephrosis
* Coloboma uveal with cleft lip palate and mental retardation
* Coloboma, ocular
* Colobomata unilobar lung heart defect
* Colobomatous microphthalmia heart disease hearing
* Colobomatous microphthalmia
* Colon cancer, familial nonpolyposis
* Colonic atresia
* Colonic malakoplakia
* Color blindness
* Colorado tick fever
* Colver–Steer–Godman syndrome

### Com

* Combarros–Calleja–Leno syndrome
* Combined hyperlipidemia, familial
* Combined malonic and methylmalonic aciduria
* Common cold
* Common mesentery
* Common variable immunodeficiency
* Compartment syndrome
* Complement component 2 deficiency
* Complement component receptor 1
* Complete atrioventricular canal
* Complex 1 mitochondrial respiratory chain deficiency
* Complex 2 mitochondrial respiratory chain deficiency
* Complex 3 mitochondrial respiratory chain deficiency
* Complex 4 mitochondrial respiratory chain deficiency
* Complex 5 mitochondrial respiratory chain deficiency
* Complex regional pain syndrome

### Con
#### Cond–Cone

* Conduct disorder
* Conductive deafness malformed external ear
* Conductive hearing loss
* Condyloma acuminatum
* Condylomata lata
* Cone dystrophy
* Cone rod dystrophy amelogenesis imperfecta
* Cone-rod dystrophy

#### Cong
##### Conge
###### Congen

Congenital a – Congenital b
* Congenital absence of the uterus and vagina
* Congenital adrenal hyperplasia
** Congenital adrenal hyperplasia due to 11β-hydroxylase deficiency
** Congenital adrenal hyperplasia due to 17 alpha-hydroxylase deficiency
** Congenital adrenal hyperplasia due to 21-hydroxylase deficiency
** Congenital adrenal hyperplasia due to 3 beta-hydroxysteroid dehydrogenase deficiency
** Congenital adrenal hyperplasia, lipoid
* Congenital afibrinogenemia
* Congenital alopecia X linked
* Congenital amputation
* Congenital aneurysms of the great vessels
* Congenital antithrombin III deficiency
* Congenital aplastic anemia
* Congenital arteriovenous shunt
* Congenital articular rigidity
* Congenital benign spinal muscular atrophy dominant
* Congenital brain disorder
* Congenital bronchobiliary fistula
Congenital c – Congenital g
* Congenital cardiovascular disorder
* Congenital cardiovascular malformations
* Congenital cardiovascular shunt
* Congenital central hypoventilation syndrome
* Congenital constricting band
* Congenital contractural arachnodactyly
* Congenital contractures
* Congenital craniosynostosis maternal hyperthyroiditis
* Congenital cystic adenomatoid malformation
* Congenital cystic eye multiple ocular and intracranial anomalies
* Congenital cytomegalovirus
* Congenital deafness
* Congenital diaphragmatic hernia
* Congenital disorder of glycosylation
* Congenital dyserythropoietic anemia
* Congenital erythropoietic porphyria
* Congenital facial diplegia
* Congenital fiber type disproportion
* Congenital gastrointestinal disorder
* Congenital generalized fibromatosis
* Congenital giant megaureter
Congenital h – Congenital l
* Congenital heart block
* Congenital heart disease ptosis hypodontia craniostosis
* Congenital heart disease radio ulnar synostosis mental retardation
* Congenital heart disorder
* Congenital heart septum defect
* Congenital hemidysplasia with ichthyosiform erythroderma and limbs defects
* Congenital hemolytic anemia
* Congenital hepatic fibrosis
* Congenital hepatic porphyria
* Congenital herpes simplex
* Congenital hypomyelination neuropathy
* Congenital hypothyroidism
* Congenital hypotrichosis milia
* Congenital ichthyosis, microcephalus, q­riplegia
* Congenital ichthyosis
* Congenital ichtyosiform erythroderma
* Congenital insensitivity to pain with anhidrosis
* Congenital kidney disorder
* Congenital limb deficiency
* Congenital lobar emphysema
Congenital m – Congenital s
* Congenital megacolon
* Congenital megaloureter
* Congenital mesoblastic nephroma
* Congenital microvillous atrophy
* Congenital mitral malformation
* Congenital mitral stenosis
* Congenital mixovirus
* Congenital mumps
* Congenital muscular dystrophy syringomyelia
* Congenital myopathy
* Congenital nephrotic syndrome
* Congenital nonhemolytic jaundice
* Congenital rubella
* Congenital short bowel
* Congenital short femur
* Congenital skeletal disorder
* Congenital skin disorder
* Congenital spherocytic anemia
* Congenital spherocytic hemolytic anemia
* Congenital stenosis of cervical medullary canal
* Congenital sucrose isomaltose malabsorption
* Congenital syphilis
Congenital t – Congenital v
* Congenital toxoplasmosis
* Congenital unilateral pulmonary hypoplasia
* Congenital vagal hyperreflexivity
* Congenital varicella syndrome

###### Conges

* Congestive heart failure

##### Conju

* Conjunctivitis ligneous
* Conjunctivitis with pseudomembrane
* Conjunctivitis

#### Conn–Conv

* Connective tissue dysplasia Spellacy type
* Connexin 26 anomaly
* Conn's syndrome
* Conotruncal heart malformations
* Conradi–Hünermann syndrome
* Constitutional growth delay
* Constrictive bronchiolitis
* Contact dermatitis
   * Contact dermatitis, allergic
   * Contact dermatitis, irritant
   * Contact dermatitis, photocontact
* Continuous muscle fiber activity hereditary
* Continuous spike-wave during slow sleep syndrome
* Contractural arachnodactyly
* Contractures ectodermal dysplasia cleft lip palate
* Contractures hyperkeratosis lethal
* Contractures of feet-muscle atrophy-oculomotor apraxia
* Conversion disorder
* Convulsions benign familial neonatal dominant form
* Convulsions benign familial neonatal

### Coo–Cop

* Cooks syndrome
* Cooley's anemia
* Copper deficiency familial benign
* Copper transport disease
* Coproporhyria

### Cor

* Cor biloculare
* Cor pulmonale
* Cor triatriatum

#### Corm–Coro

* Cormier–Rustin–Munnich syndrome
* Corneal anesthesia deafness mental retardation
* Corneal cerebellar syndrome
* Corneal crystals myopathy neuropathy
* Corneal dystrophy
* Corneal endothelium dystrophy
* Cornelia de Lange syndrome
* Corneodermatoosseous syndrome
* Coronal synostosis syndactyly jejunal atresia
* Coronaro-cardiac fistula
* Coronary arteries congenital malformation
* Coronary artery aneurysm
* Coronary heart disease
* Coronavirus disease 2019

#### Corp–Cort

* Corpus callosum agenesis
* Corpus callosum dysgenesis
* Corsello–Opitz syndrome
* Cortada–Koussef–Matsumoto syndrome
* Cortes-Lacassie syndrome
* Cortical blindness mental retardation polydactyly
* Cortical degeneration of the cerebellum parenchymatous
* Cortical dysplasia
* Cortical hyperostosis syndactyly
* Corticobasal degeneration

### Cos–Cox

* Costello syndrome
* Costochondritis (otherwise Costal chondritis)
* Costocoracoid ligament congenitally short
* Cote–Adamopoulos–Pantelakis syndrome
* Cote–Katsantoni syndrome
* Cousin–Walbraum–Cegarra syndrome
* Covesdem syndrome
* Cowchock–Wapner–Kurtz syndrome
* Cowden's disease
* Cowpox
* Coxoauricular syndrome

## Cr
### Cra
#### Cram

* Cramer–Niederdellmann syndrome
* Cramp
* Cramp fasciculation syndrome

#### Cran
##### Crand–Crane

* Crandall syndrome
* Crane–Heise syndrome

##### Crani
###### Cranio

* Cranio osteoarthropathy
Cranioa–Craniom
* Cranioacrofacial syndrome
* Craniodiaphyseal dysplasia
* Craniodigital syndrome mental retardation
* Cranioectodermal dysplasia
* Craniofacial and osseous defects mental retardation
* Craniofacial and skeletal defects
* Craniofacial deafness hand syndrome
* Craniofacial dysostosis arthrogryposis progeroid appearance
* Craniofacial dysostosis
* Craniofacial dysynostosis
* Craniofaciocardioskeletal syndrome
* Craniofaciocervical osteoglyphic dysplasia
* Craniofrontonasal dysplasia
* Craniofrontonasal syndrome Teebi type
* Craniometaphyseal dysplasia dominant type
* Craniometaphyseal dysplasia recessive type
* Craniomicromelic syndrome
Cranios–Craniot
* Craniostenosis cataract
* Craniostenosis with congenital heart disease mental retardation
* Craniostenosis
* Craniosynostosis alopecia brain defect
* Craniosynostosis arthrogryposis cleft palate
* Craniosynostosis autosomal dominant
* Craniosynostosis cleft lip palate arthrogryposis
* Craniosynostosis contractures cleft
* Craniosynostosis exostoses nevus epibulbar dermoid
* Craniosynostosis fibular aplasia
* Craniosynostosis Fontaine type
* Craniosynostosis Maroteaux Fonfria type
* Craniosynostosis mental retardation clefting syndrome
* Craniosynostosis mental retardation heart defects
* Craniosynostosis Philadelphia type
* Craniosynostosis radial aplasia syndrome
* Craniosynostosis synostoses hypertensive nephropathy
* Craniosynostosis Warman type
* Craniosynostosis, sagittal, with Dandy-Walker malformation and hydrocephalus
* Craniosynostosis
* Craniotelencephalic dysplasia

#### Craw

* Crawfurd syndrome

### Cre–Cro

* Creatine deficiency
* Creeping disease
* CREST syndrome (Calcinosis Raynaud's Esophagus Sclerodactyly Telangiectasia)
* Cretinism athyreotic
* Cretinism
* Creutzfeldt–Jakob disease
* Cri du chat syndrome aka cat's cry or 5P- (5P minus) syndrome
* Crigler–Najjar syndrome
* Crisponi syndrome
* Criss-cross syndrome
* Criswick–Schepens syndrome
* Crohn's disease of the esophagus
* Crohn's disease
* Crome syndrome
* Cronkhite–Canada syndrome
* Crossed polydactyly type 1
* Crossed polysyndactyly
* Croup
* Crouzon syndrome
* Crouzonodermoskeletal syndrome
* Crow–Fukase syndrome

### Cry

* Cryoglobulinemia
* Cryophobia
* Cryptococcosis
* Cryptogenic organized pneumopathy
* Cryptomicrotia brachydactyly syndrome excess fingers
* Cryptomicrotia brachydactyly syndrome
* Cryptophthalmos-syndactyly syndrome
* Cryptosporidiosis
* Cryptorchidism arachnodactyly mental retardation
* Cryroglobulinemia
* Crystal deposit disease

## Cu
### Cul–Cus

* Culler–Jones syndrome
* Curly hair ankyloblepharon nail dysplasia syndrome
* Currarino triad
* Curry–Hall syndrome
* Curry–Jones syndrome
* Curth–Macklin type ichthyosis hystrix
* Curtis–Rogers–Stevenson syndrome
* Cushing syndrome, familial
* Cushing's symphalangism
* Cushing's syndrome

### Cut

* Cutaneous anthrax
* Cutaneous larva migrans
* Cutaneous lupus erythematosus
* Cutaneous photosensitivity colitis lethal
* Cutaneous T-cell lymphoma
* Cutaneous vascularitis
* Cutis Gyrata syndrome of Beare and Stevenson
* Cutis gyratum acanthosis nigricans craniosynostosis
* Cutis laxa
   * Cutis laxa, recessive
   * Cutis laxa corneal clouding mental retardation
   * Cutis laxa osteoporosis
   * Cutis laxa with joint laxity and retarded development
   * Cutis laxa, dominant type
   * Cutis laxa, recessive type 1
   * Cutis laxa, recessive type 2
* Cutis marmorata telangiectatica congenita
* Cutis verticis gyrata mental deficiency
* Cutis verticis gyrata thyroid aplasia mental retardation
* Cutis verticis gyrata
* Cutler Bass Romshe syndrome

## Cy–Cz

* Cyanide poisoning
* Cyclic neutropenia
* Cyclic vomiting syndrome
* Cyclosporosis
* Cyclothymia
* Cyprus facial neuromusculoskeletal syndrome
* Cystathionine beta synthetase deficiency
* Cystic adenomatoid malformation of lung
* Cystic angiomatosis of bone, diffuse
* Cystic fibrosis gastritis megaloblastic anemia
* Cystic fibrosis
* Cystic hamartoma of lung and kidney
* Cystic hygroma lethal cleft palate
* Cystic hygroma
* Cystic medial necrosis of aorta
* Cystin transport, protein defect of
* Cystinosis
* Cystinuria
* Cystinuria-lysinuria
* Cytochrome C oxidase deficiency
* Cytomegalic inclusion disease
* Cytomegalovirus
* Cytoplasmic body myopathy
* Czeizel–Losonci syndrome
* Czeizel syndrome