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Actinic keratoses on the forehead of a male Melanin is a pigment in the epidermis that functions to protect keratinocytes from the damage caused by UV radiation; it is found in higher concentrations in the epidermis of darker-skinned individuals, affording them protection against the development of AKs.
Painful skin and itching . Other less common or less noticed symptoms are: [6] Acrokeratosis verruciformis. Acrokeratosis (AKV) is characterized by several small wart-like and flat-topped bumps that line the skin on typically the hand and feet. [7] Hypermelanotic macule. Dark patches on the skin that contain excess pigment.
Psoriatic plaque, showing a silvery center surrounded by a reddened border. Psoriasis vulgaris (also known as chronic stationary psoriasis or plaque-like psoriasis) is the most common form and affects 85–90% of people with psoriasis. [12] Plaque psoriasis typically appears as raised areas of inflamed skin covered with silvery-white, scaly ...
The bumps may be raised and flesh-colored or red and pimple-like, the AAD explains. And the condition most often appears on the upper arms and the backs of the thighs.
The condition is not life-threatening; the impact on the patient, if it is a mild case, is generally restricted to mild itching and the social impact of having skin with an unusual appearance. People with mild cases have symptoms that include scaly patches on the shins, fine white scales on the forearms and upper arms, and rough palms.
These signs include: Fever, chills, neck pain, fatigue, inability to look at bright light, or inability to eat or drink. “If you have those symptoms, it’s time to go to the emergency room.
Basal-cell skin cancer (BCC) usually presents as a raised, smooth, pearly bump on the sun-exposed skin of the head, neck, torso or shoulders. Sometimes small blood vessels (called telangiectasia) can be seen within the tumor. Crusting and bleeding in the center of the tumor frequently develops. It is often mistaken for a sore that does not heal.
Allergic reactions to foods, medications, or environmental allergens can cause a neck rash with urticaria (hives)—intensely itchy, raised, red bumps or welts that turn white in the center when ...