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The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. [3] Within the latter type, the hairs occur in structures called pilosebaceous units , each with hair follicle , sebaceous gland , and associated arrector pili muscle. [ 4 ]
Other symptoms to note: Drug rashes can be a side effect of or a reaction to a new medication; almost any medication can cause a drug rash, but antibiotics and NSAIDs are the most common culprits ...
Keratinocytes are the cells found lower in the epidermis and specialize in holding the surrounding skin cells together. It is theorized that CD8+ immune cells become overactive by stimulation from drugs or drug metabolites. CD8+ T cells then mediate keratinocyte cell death through release of a number of molecules, including perforin, granzyme B ...
The exact cause of this condition is not known, but it involves collagen degeneration and a granulomatous response in the layer of the skin called the dermis, often affecting the deeper fat layer and thickening dermal blood vessels. Diagnosis is confirmed through a skin biopsy showing inflammatory cell infiltrate and necrotising vasculitis.
Dermatomyositis (DM) is a long-term inflammatory autoimmune disorder which affects the skin and the muscles. Its symptoms are generally a skin rash and worsening muscle weakness over time. These may occur suddenly or develop over months. Other symptoms may include weight loss, fever, lung inflammation, or light sensitivity.
This article provides a list of autoimmune diseases. These conditions, where the body's immune system mistakenly attacks its own cells, affect a range of organs and systems within the body. Each disorder is listed with the primary organ or body part that it affects and the associated autoantibodies that are typically found in people diagnosed ...
Sézary cell: pleomorphic abnormal T cell with the characteristic cerebriform nuclei (Peripheral blood - MGG stain) Sézary disease and mycosis fungoides are cutaneous T-cell lymphomas having a primary manifestation in the skin. [5] The disease's origin is a peripheral CD4+ T-lymphocyte, [3] although rarer CD8+/CD4- cases have been observed. [3]
Some cases of Grover's disease have been associated with medications such as sulfadoxine-pyrimethamine, ribavirin, cetuximab, and interleukin-4 [1,8-15]. One series of 300 patients with Grover's disease reported an association with other coexisting dermatoses including atopic dermatitis , contact dermatitis , and xerosis cutis . [ 6 ]