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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]
It typically presents as red patches with white scales on top. [4] Areas of the body most commonly affected are the back of the forearms, shins, navel area, and scalp. [4] Guttate psoriasis has drop-shaped lesions. [5] Pustular psoriasis presents as small, noninfectious, pus-filled blisters. [10] Inverse psoriasis forms red patches in skin ...
Guttate psoriasis can occur on any part of the body, particularly the legs, arms, torso, eyelids, back, bottom, bikini line, and neck. The number of lesions can range from 5 to over 100. [ 5 ] Generally the parts of the body most affected are the arms, legs, back and torso.
"Early phases appear as lacy or net-like (reticulated) pink or red patches which are the size and shape of the heat source," says Shawna Jones, PA-C, aesthetic nurse practitioner with SkinSpirt.
The back part of the head was much open. It made a strange kind of noise, very low, which I cannot describe. It lived about forty-eight hours and was alive when I saw it." [24] The harlequin-type designation comes from the diamond shape of the scales at birth (resembling the costume of Arlecchino).
Pityriasis alba, dry, fine-scaled, pale patches on the face; Pityriasis lichenoides chronica, caused by a hypersensitivity reaction to infectious agents; Pityriasis lichenoides et varioliformis acuta, a disease of the immune system; Pityriasis rosea, a type of skin rash Pityriasis circinata,
[19] [20] Clinically, the diagnosis of any particular skin condition is made by gathering pertinent information regarding the presenting skin lesion(s), including the location (such as arms, head, legs), symptoms (pruritus, pain), duration (acute or chronic), arrangement (solitary, generalized, annular, linear), morphology (macules, papules ...
The condition is not life-threatening; the impact on the patient, if it is a mild case, is generally restricted to mild itching and the social impact of having skin with an unusual appearance. People with mild cases have symptoms that include scaly patches on the shins, fine white scales on the forearms and upper arms, and rough palms.