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Sweet syndrome (SS), or acute febrile neutrophilic dermatosis, [1] [2] is a skin disease characterized by the sudden onset of fever, an elevated white blood cell count, and tender, red, well-demarcated papules and plaques that show dense infiltrates by neutrophil granulocytes on histologic examination.
It was known as pink disease (due to these symptoms) before it was accepted that it was just mercury poisoning. [1] The word acrodynia is derived from the Greek: ακρος, which means end or extremity, and Greek: οδυνη, which means pain. As such, it might be (erroneously) used to indicate that a patient has pain in the hands or feet.
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]
Transient lingual papillitis is generally diagnosed based on patient presentation, meaning where it is located in the mouth and how big the bump is. [8] The visual presentation can also accompany various signs and symptoms such as difficulty eating, having a "strawberry tongue", increased saliva production, and a burning or tingling sensation. [9]
Initially red to pink, flat spots (formally, "macules") and raised bumps (formally, "papules") may be seen on the skin. [5] [6] Once fully developed, the classic appearance is "non-blanching, palpable purpura". [6] [5] [7] This appears as deep red to purple spots that feel raised to the touch. Purpura refers to the red-purple discolored spots ...
Erythema marginatum (also known as chicken wire erythema) [1] is an acquired skin condition which primarily affects the arms, trunk, and legs. [2] It is a type of erythema (redness of the skin or mucous membranes) characterised by bright pink or red circular lesions which have sharply-defined borders and faint central clearing.
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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.