https://www.selleckchem.com/pr....oducts/gsk2636771.ht
BACKGROUND Tuberculin skin test (TST), which is used in the diagnosis of latent tuberculosis infection may cause Koebner's phenomenon and false positive results in psoriasis patients. OBJECTIVE The purpose of this study is to compare TST with QuantiFERON-TB Gold Plus (QFT-plus) test in psoriasis patients, and to determine the effects of psoriasis on TST results. METHODS Ninety-two psoriasis patients and 30 control subjects were included in the study. QFT-plus test, TST and prick test to distinguish the increase of induration because
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