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Miliaria, commonly known as heat rash, sweat rash, or prickly heat, [1] is a skin disease marked by small, itchy rashes due to sweat trapped under the skin by clogged sweat-gland ducts. Miliaria is a common ailment in hot and humid conditions, such as in the tropics and during the summer. [ 2 ]
Relative incidence of cutaneous cysts. Milia is labeled at bottom right.. A milium (pl.: milia), also called a milk spot or an oil seed, [1] is a clog of the eccrine sweat gland.
Pressure alopecia, also known as postoperative alopecia, and pressure-induced alopecia, [1] occurs in adults after prolonged pressure on the scalp during general anesthesia, with the head fixed in one position, and may also occur in chronically ill persons after prolonged bed rest in one position that causes persistent pressure on one part of the scalp, all likely due to pressure-induced ischemia.
Disseminate and recurrent infundibulofolliculitis, also called disseminate and recurrent infundibular folliculitis or Hitch and Lund disease, is a rare follicular skin condition that presents with irregularly shaped papules pierced by hair, is mildly itchy at times, and is chronic with recurrent exacerbations.
It's unclear what causes erosive pustular dermatitis of the scalp. It is believed that actinic damage and epidermal atrophy are risk factors. Many other factors, such as different topical drugs, infections, surgical operations, or topical agents, have been linked to the beginning of the illness; their direct role in the etiology is unknown.
Dissecting cellulitis of the scalp, also known as dissecting folliculitis, perifolliculitis capitis abscedens et suffodiens of Hoffman, perifolliculitis abscedens et suffodiens, or folliculitis abscedens et suffodiens, is an inflammatory condition of the scalp that can lead to scarring alopecia, which begins with deep inflammatory nodules, primarily over occiput, that progresses to coalescing ...
Lupus miliaris disseminatus faciei, also known as acne agminata, is a disease with a similar appearance to acne vulgaris. [1] [2] The cause of LMDF is unknown.LMDF usually occurs on the face, but extrafacial presentations have been reported.
The pathogenesis of pseudopelade of Brocq is still not well understood. A number of potential contributing variables include senescence of the follicular stem cell reserve, acquired autoimmunity, and Borrelia infection. [3]