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Acanthosis nigricans is a medical sign characterised by brown-to-black, poorly defined, velvety hyperpigmentation of the skin. [1] It is usually found in body folds, [2] such as the posterior and lateral folds of the neck, the armpits, groin, navel, forehead and other areas.
As children get older, the areas on the insides of the knees and folds of the elbows and around the neck are most commonly affected. [3] In adults, the hands and feet are commonly affected. [ 3 ] Scratching the affected areas worsens the eczema and increases the risk of skin infections . [ 2 ]
Itchy rash is particularly noticeable on the head and scalp, neck, inside of elbows, behind knees, and buttocks. It is very common in developed countries and rising. Irritant contact dermatitis is sometimes misdiagnosed as atopic dermatitis.
Its characteristic rash resembles herpes and is the basis of its clinical name. Dermatitis herpetiformis is characterized by intensely itchy, chronic papulovesicular eruptions, usually distributed symmetrically on extensor surfaces (buttocks, back of neck, scalp, elbows, knees, back, hairline, groin, or face).
The dry skin will crack on the digits or extremities and create bloody cuts. Skin is painful when inflamed, tight, or both. For children and adolescents, psychological concerns may include inconsistent self-image, mood fluctuations due to cyclical outbreaks, a tendency to addiction, the possibility of social withdrawal when skin is noticeably ...
Arthrofibrosis (from Greek: arthro-joint, fibrosis – scar tissue formation) has been described in most joints like knee, hip, ankle, foot joints, shoulder (frozen shoulder, adhesive capsulitis), elbow (stiff elbow), wrist, hand joints as well as spinal vertebrae. [1] [2] It can occur after injury or surgery or may arise without an obvious ...
Prepatellar bursitis is an inflammation of the prepatellar bursa at the front of the knee. It is marked by swelling at the knee, which can be tender to the touch and which generally does not restrict the knee's range of motion. It can be extremely painful and disabling as long as the underlying condition persists.
Tinea versicolor (also pityriasis versicolor) is a condition characterized by a skin eruption on the trunk and proximal extremities. [1] The majority of tinea versicolor is caused by the fungus Malassezia globosa, although Malassezia furfur is responsible for a small number of cases.