https://www.selleckchem.com/pr....oducts/smoothened-ag
eriod and treatment was determined on both test results. CONCLUSION TST positivity was higher in psoriasis patients compared to control group. It was considered due to the increased reaction of the skin to mycobacterial antigens rather than the Koebner's response. While TST results were not affected by BCG, it was concluded that a 10 mm threshold value of positivity was a suitable approach in order to reduce the number of patients receiving unnecessary preventive treatment in patients who are considered to initiate bi