Dermatologic Disorders

A Collection of Chronic Disorders Affecting the Skin

Dermatology is the branch of medicine that deals with skin, mucous membranes, hair and nails. Although relatively straightforward to examine, the skin is the largest organ and has numerous potential abnormalities - there are about 1500 distinct skin diseases and many variants. We are relatively ignorant about the pathogenesis of the majority of these although knowledge is rapidly increasing especially in the fields of molecular medicine and genetics.

Conditions

Atopic Dermatitis: Atopic Dermatitis (AD) is the most common type of eczema. Atopic dermatitis affects nearly 10 million children and nearly 17 million adults in the United States. Atopic Dermatitis is a chronic autoimmune condition that triggers inflammation that causes damage to the skin barrier, resulting in dry, itchy rashes which may be discolored.

Hidradenitis suppurativa: Hidradenitis Suppurativa (HS) is a chronic skin condition characterized by swollen, painful lesions located in the armpit, groin, anal, and breast regions. The disease is caused by obstruction of hair follicles and secondary infection and inflammation of certain sweat glands. The disease is progressive in nature where boil-like abscesses filled with pus become hard and painful deep-seated clusters of lesions with chronic seepage.

Psoriatic Arthritis: Psoriatic arthritis is a form of arthritis that is identified by red patches of skin topped with silvery scales. In most cases, psoriasis is developed first and later the psoriatic arthritis is a secondary diagnosis, however the joint problems can sometimes begin before skin lesions appear. Commonly, the joints that are affected include the hips, knees, and those closest to the tips of the fingers and toes. It resembles rheumatoid arthritis but does not produce the antibodies that are associated with rheumatoid arthritis. An increased risk is associated with those individuals that carry a certain gene (HLA-B27) or have family members that are affected by psoriatic arthritis.

Medications

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