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The histological picture involves thinner, weaker attachments of the skin lesion itself to the normal skin – resulting in easier dislodgement. The formation of new blisters upon slight pressure (direct Nikolsky) and shearing of the skin due to rubbing (indirect Nikolsky) is a sign of pemphigus vulgaris, albeit not a 100% reliable diagnosis. [ 8 ]
Aldo Castellani was the first to prepare a substance similar to lepromin while attempting to produce a leprosy vaccine. [6] [7] Kensuke Mitsuda worked with lepromin starting in 1916 and published the first paper on it in 1919 [8] However, he retained Ernest Reinhold Rost's earlier name leprolin and his original idea was to find a test that distinguishes leprosy patients from non-leprosy persons.
Pages in category "Skin tests" The following 18 pages are in this category, out of 18 total. ... Leishmanin skin test; Lepromin skin test; P. Patch test; S. Schick test;
A skin test is a medical test in which a substance is injected into the skin. [1] Examples. Casoni test; Corneometry; Dick test; Fernandez reaction; Frei test;
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Dermatographic urticaria is sometimes called "skin writing", as it is possible to mark deliberate patterns onto the skin. The condition manifests as an allergic-like reaction, causing a warm red wheal to appear on the skin. As it is often the result of scratches, involving contact with other materials, it can be confused with an allergic ...
The Heaf test, a diagnostic skin test, was long performed to determine whether or not children had been exposed to tuberculosis infection. The test was named after F. R. G. Heaf . Also known as the Sterneedle test , [ 1 ] it was administered by a Heaf gun (trademarked "Sterneedle"), [ 2 ] a spring-loaded instrument with six needles arranged in ...
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