Pityriasis rosea - Symptoms & causes - Mayo Clinic
网页2024年7月12日 · Pityriasis rosea is a rash that often begins as an oval spot on the face, chest, abdomen or back. This is called a herald patch and may be up to 4 inches (10 centimeters) across. Then you may get smaller spots that sweep out from the middle of the body in a shape that looks like drooping pine-tree branches.
Pityriasis rosea - Diagnosis & treatment - Mayo Clinic
网页2022年10月11日 · Symptoms & causes. Diagnosis & treatment. On this page. Diagnosis. Treatment. Self care. Preparing for your appointment. Diagnosis. In most cases, your health care provider can identify pityriasis rosea by looking at the rash. You might need a scraping or possibly a skin biopsy, which involves taking a small piece of the rash for testing.
Pityriasis rosea - DermNet
网页What is pityriasis rosea? Pityriasis rosea is a self-limiting rash, which resolves in about 6–10 weeks. It is characterised by a large circular or oval "herald patch", usually found on the chest, abdomen, or back.
Pityriasis rosea: Diagnosis and treatment - American Academy of …
网页If you have pityriasis rosea, the rash with go away without treatment. Some people see the rash disappear within 6 to 8 weeks, but it can take 5 months or longer for the skin to clear. While you don’t need to treat the rash, some patients ask for …
Pityriasis rosea: Overview - American Academy of Dermatology
网页While pityriasis rosea usually appears in young, healthy people, others get it, too. Here’s what the research shows about people who develop this condition. Age: Doctors have diagnosed pityriasis rosea in patients whose ages range from 3 months to 83 years. Where you live: People around the world get pityriasis rosea. It’s found in every ...
Pityriasis Rosea - StatPearls - NCBI Bookshelf
网页2024年3月1日 · Pityriasis rosea, also known as pityriasis circinata, roseola annulata, and herpes tonsurans maculosus, is an acute self-limiting papulosquamous disorder. The hallmark features of this condition include the development of a slightly raised, oval-shaped scaly patch called a "herald patch," followed by the emergence of multiple clusters of ...
玫瑰糠疹 - 维基百科，自由的百科全书
网页玫瑰糠疹 （pityriasis rosea）是一种炎症性 皮疹。. 主要见于青年及中年人，好发于躯干和四肢近端，且为大小不一、数目不等的类圆形覆少量鳞屑的红斑。. [1] 典型的玫瑰糠疹，开始出现单一的母斑样的 皮肤损害，然后在一周或两周内，出现全身广泛的皮疹 ...
Pityriasis Rosea - Pityriasis Rosea - Merck Manual Professional …
网页Pityriasis rosea is a self-limited, inflammatory disorder of the skin possibly caused by human herpesvirus types 6, 7, or 8 or medications. An initial 2- to 10-cm herald patch is followed by centripetal eruption of oval papules and plaques with a slightly raised and scaly border, typically appearing along skin lines.
Pityriasis Rosea - Pityriasis Rosea - Merck Manual Consumer Version
网页Pityriasis rosea is a disease that causes the formation of many small patches of scaly, rose-colored or tan-colored patches on the skin. Pityriasis rosea may be caused by a viral infection. The most common symptoms are itching and an initial large, tan-colored or rose-colored circular patch that is followed by multiple patches that appear on ...
Pityriasis rosea - Symptoms, diagnosis and treatment - BMJ Best …
网页2022年8月16日 · Pityriasis rosea (PR) is an inflammatory skin condition of uncertain etiology, although an unknown infectious agent has been suggested. PR manifests as an acute, self-limited, inflammatory eruption characterized in the majority of patients by a single larger lesion, the herald patch, followed by …