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Grading of the Whealing Response in Cases with Cold Urticaria
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Pasricha J S, Kandhari S, Shukla S R. Grading of the Whealing Response in Cases with Cold Urticaria. Indian J Dermatol Venereol Leprol 1980;46:78-79
AbstractSeven cases having cold urticaria and showing whealing response to the cryo-stimulation test were tested again after adjusting the temperature of the exposure surface at 0, 5, 10, 15, 20, 25 and 30 degree C. to determine the maximum temperature capable of producing a wheal in the patient (CTW). It was 25 degree C. in 2 patients and 20 degree C. in 3. In the remaining 2 patients, whealing at the test site was absent with 30 degree C., incomplete with 25 degree C. and complete with 20 degree C. On repeating the CTW in 5 patients within 7 days, it was found to be the same.