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Pityriasis rosea is a type of skin rash. [2] Classically, it begins with a single red and slightly scaly area known as a "herald patch". [2] This is then followed, days to weeks later, by an eruption of many smaller scaly spots; pinkish with a red edge in people with light skin and greyish in darker skin. [4]
The disease has been found at California Christmas tree farms. Christmas trees are also vulnerable to large scale infestations from various fungal pathogens. In 2002 concern in the U.S. Pacific Northwest arose over the spread of a relatively new fungal disease called annosus root rot (Heterobasidion annosum or Fomes annosus). [7]
Dede Koswara (1971 – January 30, 2016), also known as the "Tree Man", was an Indonesian carpenter with epidermodysplasia verruciformis (EV), a rare disease that causes the human papillomavirus (HPV) to grow uncontrollably, leading to the development of warts resembling tree bark. He received criticism from the people around him for having an ...
[21] [22] Over the following year, Bajandar underwent at least 25 surgeries for the removal of the warts—weighing in excess of 5 kg (11 lb)—from his hands, feet, and legs. [23] [24] [25] Bajandar’s condition returned after he interrupted treatments in May 2018. His doctors requested that he return for treatment many times.
Hand, foot, and mouth disease (HFMD) is a common infection caused by a group of enteroviruses. [10] It typically begins with a fever and feeling generally unwell . [ 10 ] This is followed a day or two later by flat discolored spots or bumps that may blister, on the hands, feet and mouth and occasionally buttocks and groin.
[3] [6] Superficial fungal infections include common tinea of the skin, such as tinea of the body, groin, hands, feet and beard, and yeast infections such as pityriasis versicolor. [7] Subcutaneous types include eumycetoma and chromoblastomycosis, which generally affect tissues in and beneath the skin.
Any area of the skin may be affected, with abdomen, legs, arms, neck, genital area, and face being the most common. [1] Onset of the lesions is around seven weeks after infection. [3] They usually go away within a year without scarring. [1] The infection is caused by a poxvirus called the molluscum contagiosum virus (MCV). [1]
Erysipelas (/ ˌ ɛ r ə ˈ s ɪ p ə l ə s /) is a relatively common bacterial infection of the superficial layer of the skin (upper dermis), extending to the superficial lymphatic vessels within the skin, characterized by a raised, well-defined, tender, bright red rash, typically on the face or legs, but which can occur anywhere on the skin.