| chronic ataxia | Persistent ataxia, most often caused by hereditary cerebellar or metabolic disorders. (05 Mar 2000) |
|---|---|
| chronic atrophic polychondritis | A degenerative disease of cartilage producing a bizarre form of arthritis, with collapse of the ears, the cartilaginous portion of the nose, and the tracheobronchial tree; death may occur from chronic infection or suffocation because of loss of stability in the tracheobronchial tree of autosomal origin. Synonym: chronic atrophic polychondritis, generalised chondromalacia, Meyenburg's disease, Meyenburg-Altherr-Uehlinger syndrome, relapsing perichondritis, systemic chondromalacia, von Meyenburg's disease. (05 Mar 2000) |
| chronic atrophic thyroiditis | Replacement of the thyroid gland by fibrous tissue, the commonest cause of myxoedema in older persons. (05 Mar 2000) |
| chronic atrophic vulvitis | An inflammation of atrophic vulvar skin, usually with severe pruritus. (05 Mar 2000) |
| chronic bacillary diarrhoea | Prolonged diarrhoea occurring in association with bacterial infection, usually occurring in patients with gastrointestinal stasis, allowing bacterial proliferation in the intestine with secondary malabsorption. Occurs in blind-loop syndrome after intestinal surgery, following vagotomy, and occasionally in scleroderma or diabetes. (05 Mar 2000) |
| chronic bronchitis | A condition of the bronchial tree characterised by cough, hypersecretion of mucus, and expectoration of sputum over a long period of time, associated with frequent bronchial infection; usually due to inhalation, over a prolonged period, of air contaminated by dust or by noxious gases of combustion. (05 Mar 2000) |
| chronic bullous dermatosis of childhood | A rare self-limiting bullous disease, chiefly of the trunk, perioral, and pelvic areas, with onset in the first decade, successively less severe recurrences, and total remission at adolescence; linear epidermal basement membrane zone deposit of IgA is found in involved and in normal skin. Synonym: linear IgA bullous disease in children. (05 Mar 2000) |
| chronic cholecystitis | <radiology> most common form of gallbladder inflammation, gallstones, gallbladder wall thickening, small gallbladder hepatobiliary scan: normal gall bladder visualization in most patients, delayed gall bladder visualization; visualization of bowel before gall bladder (sensitivity 45%, specificity 90%), noncontractility/decreased response after CCK (12 Dec 1998) |
| chronic conjunctivitis | A persistent, bilateral, conjunctival hyperaemia with scanty exudation; there is a tendency toward remission and exacerbation. (05 Mar 2000) |
| chronic constrictive pericarditis | Tuberculous or other infection of the pericardium, with thickening of the membrane and constriction of the cardiac chambers. (05 Mar 2000) |
| chronic cutaneous leishmaniasis | A form of Old World cutaneous leishmaniasis, usually with a prolonged incubation period and confined to urban areas. Synonym: chronic cutaneous leishmaniasis, dry cutaneous leishmaniasis, urban cutaneous leishmaniasis. (05 Mar 2000) |
| chronic cystic mastitis | Older term corresponding to fibrocystic condition of the breast. (05 Mar 2000) |
| chronic desquamative gingivitis | A clinical term for a gingival condition of unknown aetiology, usually encountered in middle-aged and older women, characterised by erythema, mucosal atrophy, and desquamation, and usually accompanied by a burning sensation and pain; diagnosis is usually made by biopsy and direct immunofluorescence. Synonym: gingivosis. (05 Mar 2000) |
| chronic diffuse sclerosing osteomyelitis | A proliferative reaction of bone to a low-grade infection of the jaws; most often seen in middle-aged or older black women as extensive, often bilateral radio-opacities of the mandible and maxilla. (05 Mar 2000) |
| chronic discoid lupus erythematosus | A form of lupus erythematosus in which cutaneous lesions are present; these commonly appear on the face and are atrophic plaques with erythema, hyperkeratosis, follicular plugging, and telangiectasia; in some instances systemic lupus erythematosis may develop. Synonym: chronic discoid lupus erythematosus. (05 Mar 2000) |