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  • Symptoms of Acanthosis nigricans

    The symptoms of acanthosis nigricans are mainly changes in the skin: areas of darkened, thickened, and velvety skin that usually develop in body folds such as the neck, armpits, groin, and sometimes around the elbows, knees, knuckles, or other friction-prone sites. In some people the affected skin becomes mildly itchy or develops an odor, but…


  • What is Carbuncle

    A carbuncle is a cluster of interconnected skin abscesses caused by a deep bacterial infection of hair follicles and the surrounding tissue. It most often develops in areas where skin is thicker and subjected to friction, such as the back of the neck, shoulders, thighs, or buttocks. The condition belongs to the skin and soft…


  • What is Bullous pemphigoid

    Bullous pemphigoid is an autoimmune blistering disease of the skin in which the immune system mistakenly targets structural proteins that help anchor the outer layer of the skin to the layer beneath it. The result is separation at the junction between the epidermis and dermis, leading to fluid-filled blisters. The condition primarily involves the skin…


  • What is Basal cell carcinoma

    Basal cell carcinoma is a malignant tumor that arises from basal cells in the epidermis, the outer layer of the skin. It is the most common form of skin cancer and usually develops in sun-exposed areas because ultraviolet radiation damages the DNA of skin cells over time. The condition reflects a breakdown in the normal…


  • What is Atopic dermatitis

    Atopic dermatitis is a chronic inflammatory skin disease caused by a combination of impaired skin-barrier function and an overactive immune response in the skin. It primarily involves the epidermis, especially the outermost barrier layer, and the immune cells and signaling pathways that regulate inflammation in skin tissue. The condition develops when the skin barrier becomes…


  • What is Androgenetic alopecia

    Androgenetic alopecia is a common form of progressive hair loss caused by an inherited sensitivity of scalp hair follicles to androgens, especially dihydrotestosterone (DHT). It affects the hair follicle, a specialized skin structure, and develops through a gradual change in follicle biology that shortens hair growth, reduces hair shaft thickness, and eventually leads to visible…


  • What is Actinic keratosis

    Actinic keratosis is a precancerous change in the outer layer of the skin caused by long-term ultraviolet (UV) damage, most often from sunlight. It develops in the epidermis, especially on skin that receives repeated sun exposure, and reflects abnormal growth and maturation of keratinocytes, the main cells that make up the surface of the skin.…