WebNonpruritic rash on arms. J Fam Pract. 2024 September;66 (9) A 15-year-old girl was brought in to see her family physician (FP) because she’d had a nonpruritic rash on her arms for the past 2 weeks. Some of the lesions looked targetoid, suggesting erythema multiforme, but there were no lesions on the palms of the patient’s hands. A target lesion is a round skin lesion with three concentriccolour zones: 1. A darker centre with a blister or crust 2. A ring around this that is paler pink and raised due to oedema(fluid swelling) 3. A bright red outermost ring. Target lesions typically occur in erythema multiforme. They can arise on any body site, including … See more Atypical target lesions show just two zones and/or an indistinct border. In erythema multiforme, these lesions are raised (papular). In Stevens-Johnson … See more Targetoid lesions have concentric zones and look similar to target lesions but are not due to erythema multiforme. They may evolve over a different time frame. … See more As targetoid lesions are descriptive rather than diagnostic, a careful medical history and full skin examination are necessary to make the correct diagnosis. … See more
Emergency Medicine News - LWW
WebWhat is probably the first description of targetoid or iris lesions, as they appear in erythema multiforme (EM), can be found in Thomas Bateman's 1836 textbook "Practical Synopsis … WebOct 3, 2024 · Symptoms include fever, headache, and a rash that develops 2 to 5 days after the start of the fever, often delaying diagnosis. 4 Initially, the rash consists of small, blanching, nonpruritic macules that evolve into a maculopapular rash and then into petechial lesions, with the characteristic spotted appearance resulting when the petechial ... oxford reference guide
Diagnosis of scalp rashes DermNet
WebMorbilliform drug eruption is the most common form of drug eruption. Many drugs can trigger this allergic reaction, but antibiotics are the most common group. The eruption may resemble exanthems caused by viral and bacterial infections. A morbilliform skin rash in an adult is usually due to a drug. In a child, it is more likely to be viral in ... WebErythema multiforme (air-uh-THEE-muh mul-teh-FOR-mee) starts with pink or red blotches. They grow over a few days into round spots that look like targets with red, pink, and pale … jeff shearer wsfa