Corn = قرن Corns and Calluses ▪ EPIDEMIOLOGY Every human being, with the exception of the non-weight-bearing infant, is vulnerable to the development of corns and calluses, because the skin is subjected to regular mechanical stress. The prevalence of corns and calluses can be readily appreciated by the number of nonprescription products aimed […]
Read More
Cornelia de Lange syndrome Cornelia de Lange syndrome Cornelia de Lange syndrome is a developmental disorder that affects many parts of the body. The features of this disorder vary widely among affected individuals and range from relatively mild to severe. Cornelia de Lange syndrome is characterized by slow growth before and after birth, intellectual […]
Read More
Corticoid damage =أذية الستيروئيدات Corticoid damage The most common side effects occur locally in the areas of skin treated with the steroid. Probably the most well known is thinning of the skin (atrophy), which sometimes results in permanent stretch marks (striae). Fine blood vessels may swell and become prominent under the skin surface (telangiectasia), […]
Read More
Cosmetic fragrance allergy =ارتكاس تحسسي تجاه المزوقات Cosmetic fragrance allergy It is now estimated that there are over 5,000 fragrances being used today. As a result, exposures to fragrances are on the rise. Many dermatologists believe this is causing an increase in fragrance allergy. Frequency of sensitization to fragrance allergens is now seen in 1-4% of the […]
Read More
Cow Pox = جدري البقر Cow Pox More than 200 years ago, in one of the first demonstrations of vaccination, Edward Jenner inoculated a young English boy with cowpox material from a dairymaid and showed that the boy became resistant to smallpox. Today, cowpox is a rare disease, largely confined to small mammals on […]
Read More
Cowden disease = داء كودن Cowden disease Cowden disease, also termed Cowden syndrome and multiple hamartoma syndrome, is an autosomal dominant condition with variable expression that results most commonly (80%) from a mutation in the PTEN gene on arm 10q, as reported by Liaw et al.1 Originally described in 1963 by Lloyd and Dennis, Cowden disease (multiple hamartoma […]
Read More
Creeping neurotic excoriations= السحجات العصبية الزاحفة neurotic excoriations There are no clear-cut rules governing compulsive skin picking. The picking can take place anywhere on one’s body. The picking can target real blemishes or it can target imaginary flaws. It can involve picking, pulling, poking, prodding, squeezing, and tearing. Or it can involve scratching. […]
Read More
Crest syndrome = متلازمة كريست CREST (calcinosis, Raynaud phenomenon, esophageal dysmotility, sclerodactyly, and telangiectasia) syndrome is a member of the heterogeneous group of sclerodermas, and its name is an acronym for the cardinal clinical features of the syndrome. In 1910, Thibierge and Weissenbach described the first case report of what was later called CRST (calcinosis cutis, […]
Read More
Crohn’s disease = داء كراون lames 9466-02 ET 306-03 Crohn’s disease Crohn’s disease is an ongoing disorder that causes inflammation of the digestive tract, also referred to as the gastrointestinal (GI) tract. Crohn’s disease can affect any area of the GI tract, from the mouth to the anus, but it most commonly […]
Read More
Cryoglobulinaemia = فرط غلوبولينات البرد في الدم Cryoglobulinaemia Cryoglobulins are single or mixed immunoglobulins that undergo reversible precipitation at low temperatures. Several types of cryoglobulins have been identified, and the potential clinical manifestations vary by cryoglobulin type. Cryoglobulinemia is characterized by the presence of cryoglobulins in the serum. This may result in a clinical […]
Read More