Dermatologic Disease Education
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Psoriasis
Psoriasis is a chronic, autoimmune disease that appears on the skin and nails. It most commonly appears as red patches with silvery scales.
Acne
Acne (also called acne vulgaris) is a chronic disease of the skin that is most notable on the face, chest, and back.
Actinic Keratosis
A rough, scaly patch on the skin caused by years of sun exposure. If left untreated may progress to squamous cell carcinoma, a type of skin cancer.
Image source: © 2007 Interactive Medical Media LLC. All rights
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Hyperhidrosis
Hyperhidrosis is excessive sweating. Though a normal increase of sweating occurs when the temperature rises, during exercise, or due to nervousness, hyperhidrosis is excessive sweating when none of these conditions are being met. The most common areas affected are the palms of hands, soles of feet, and underarms.
(Photo permission obtained from International Hyperhidrosis Society)
Atopic Dermatitis
Atopic dermatitis (also called eczema) is a common skin disease around the world. It can occur at any age, but usually starts before the age of five. Typically there are three stages of atopic dermatitis:
- Infantile — usually located of the face and extensor surface of the arm (back of the arm)
- Childhood — usually located of the flexural arms (inner wrist, inside elbow, back of the knee, etc.)
- Adulthood
Vitiligo
Vitiligo occurs when pigment-producing cells die or stop functioning. Which causes the loss of skin color in blotches.
Image source: JelenaBekvalac/Shutterstock
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Onychomycosis
Onychomycosis (also called Tinea unguium) is a fungal infection of the nail. Nails that are affected may become thickened, may split, and may develop yellowing.
Alopecia Areata
Alopecia areata, also known as spot baldness, is an autoimmune disease. Heredity may be a factor in this condition, which is characterized by round patches of hair loss and the underlying skin appears scarred.
Lupus
Lupus is a chronic, autoimmune disorder. It can cause damage to any part of the body, including skin, joints, and organs. Lupus often manifests as a characteristic "butterfly rash" on the nose and cheeks, though other symptoms like fatigue and joint pain also accompany it.
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Hidradenitis Suppurativa
Hidradenitis suppurativa is a chronic skin disease. It causes painful, boil-like lumps that form under the skin. Most common in areas where the skin rubs together, such as your armpits and groin. The lumps become inflamed and painful and can break open, causing abscesses that drain fluid and pus. As the abscesses heal, they can cause scarring of the skin.
Bullous Pemphigoid
A rare skin condition causing large, fluid-filled blisters. Bullous pemphigoid usually appears on the belly, chest, arms, legs, groin, or armpits. It may occur in the mouth as sores. The risk of developing this condition increases with age.
Image source: © Mayo Foundation for medical education and research.
Pemphigus Vulgaris
Is a rare autoimmune disease that causes painful blisters on the skin and mucous membranes.
Image Source: emedicine.medscape.com
Cutaneous Neurofibromatosis
These are tumors grow from small nerves in the skin or just under the skin and appear as small bumps.
Image Source: nfcenter.wustl.edu
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