Search results
-
Dermatitis Herpetiformis
General Information Dermatitis Herpetiformis is an autoimmune disease causing clusters of intensely pruritic small blisters and hive like swellings. Despite the name, dermatitis herpetiformis is not related to the herpes virus. Prior to the blisters forming the area usually has a burning feeling. In around one to two weeks, the blisters will scab and heal, […]
-
Dermatofibroma
General Information Dermatofibroma is an extremely common firm bump on the skin, representing an overgrowth of the tissue lying between the outer and inner layers of skin. Typically, small (0.5- to 1-cm) red-to-brown, darker depending on the individual’s skin color, bumps (nodules). Dermatofibromas are most commonly seen on the extremities, particularly the lower legs. Although […]
-
Discoid Lupus Erythematosus
General Information Discoid Lupus Erythematosus (DLE) is a chronic skin condition that develops circular inflamed red patches with a scaling and crusty appearance, ranging from 5-10 mm in diameter. The sores are usually located on the face, ears and scalp; at times, they may be found on other parts of the body. When the lesions […]
-
Drug-Induced Photosensitivity
General Information Drug-induced Photosensitivity refers to the development of a cutaneous disease resulting from both a chemical and light effect, exposure to only one component will not cause the disease. Both phototoxic and photoallergic reactions occur in sun-exposed areas of skin (e.g. the face, V of the neck, and dorsa of the hands and forearms). […]
-
Dyshidrotic Eczema
General Information Dyshidrotic Eczema is a recurrent or chronic relapsing form of vesicular palmoplantar dermatitis. Of patients with dyshidrosis, 50% have atopic dermatitis. Occasionally prior to blistering of the skin, the patient may feel burning pain or pruritus. Occurrence of this type of dermatitis can be from once a month to once a year. The […]
-
Dysplastic Nevi
General Information Dysplastic Nevi, also known as atypical moles, are unusual (or atypical) and benign. Around one out of ten individuals have at least one unusual mole. The characteristics of a dysplastic nevi consists of large pigmented lesions that frequently measure from 5 – 15 mm in diameter, with irregular borders and colors that range […]