The beginning of summer kicks off the camping and hiking season, anxiously awaited by those who have endured a long cold winter. This year will likely prove to be one of the busier camping seasons as many Americans bypass more expensive vacations that involve pricey airline tickets or gas guzzling road trips. Emergency department staff will probably see a greater number of people with contact dermatitis caused by exposure to poison ivy, poison oak or poison sumac. Many people have never seen poison ivy , or perhaps wouldn't recognize it if they saw it. Poison ivy, poison oak and poison sumac belong to the plant genus Toxicodendron (previously referred to as Rhus ). Toxicodendron means "poisonous tree." These plants have an oil-based substance in the resin on their leaves and in their stems and branches called urushiol that causes a delayed skin reaction in about 50% of people that contact it. Urushiol may cause severe contact dermatitis in people that have previousl...
Skin lumps are any abnormal bump or swelling on the skin.
Many people wonder if small bumps or lumps on the body are something to worry about. Most lumps and swellings are benign (not cancerous) and are harmless, especially the kind that feel soft and roll easily (lipomas).
A lump or swelling that appears suddenly (over 24 - 48 hours) and is painful is usually caused by an injury or an infection.
Lipomas, fatty lumps under the skin
Enlarged lymph glands
, usually in the armpits, neck, and groin
, a closed sac in or under the skin that is lined with skin tissue and contains fluid or semisolid material
Benign skin growths such as seborrheic keratoses or neurofibromas
, painful, red bumps usually involving a hair follicle
Corn or callus, caused by skin thickening in response to continued pressure (for example, from shoes) and usually occurring on a to...
Definition Red birthmarks are colored, blood vessel (vascular) skin markings that develop before or shortly after birth. Alternative Names Strawberry mark; Vascular skin changes; Angioma cavernosum; Capillary hemangioma; Hemangioma simplex Causes, incidence, and risk factors There are two main categories of birthmarks. Red birthmarks are made up of blood vessels close to the skin surface, and are called vascular birthmarks. Pigmented birthmarks are areas in which the color of the birthmark is different from the color of the rest of the skin. Hemangiomas are a common vascular birthmark. Their cause is unknown. The color results from the development of blood vessels at the site. Strawberry hemangiomas (strawberry mark, nevus vascularis, capillary hemangioma, hemangioma simplex) may develop several weeks after birth. Cavernous hemangiomas (angioma cavernosum, cavernoma) are similar to strawberry hemangiomas but they are deeper. Salmon patches (stork bites) are extremely common, appearing on 30-50% ...
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