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A skin biopsy may be taken to determine capillaritis of dermal vessels. [8] Capillaritis or pigmented purpura is skin condition that has brown-reddish patches on the skin, which is caused by leaky capillaries. [9] Such skin biopsies are sent to a laboratory for a pathological examination, where each biopsy is observed under a microscope. [3]
Erythrasma is a superficial skin infection that causes brown, scaly skin patches. It is caused by Corynebacterium minutissimum bacteria, a normal part of skin flora (the microorganisms that are normally present on the skin). There are two types of erythrasma: generalized and interdigital. Interdigital is the most common bacterial infection of ...
From the age of 40, the skin is less able to regenerate from sun exposure, and liver spots are very common in this age group, particularly in those who spend time in the sun. [7] In the overwhelming majority of cases, liver spots pose no threat and require no treatment, though they occasionally have been known to obscure the detection of skin ...
In short, melasma is a chronic skin condition that appears as darkened areas on the face due to an overproduction of melanin, says Gina Charles, MO, a family physician specializing in skincare. It ...
What causes skin cancer? ... It could also present as a small pink patch that bleeds easily, says Zhou. ... Very rarely, it could appear as a black or brown streak in the nail. At home, the ...
It may occur in the lungs as pulmonary capillaritis, [3] or in the skin as pigmented purpuric dermatosis. Capillaritis usually affects otherwise healthy people. Capillaritis can take many forms but is made up of tiny red or brown dots that may be spread out or in a group forming a red or brown patch on the skin.