Table 1 shows the MTD values from volumetric sand patch tests
, along with the ETD values, calculated from Eqns (2) and (3) using the MPD values from the Ames laser texture scanner, Dynatest laser profiler, and CT meter tests, respectively.
Conclusion: Since no similar study has been previously performed in our area, this study provides information about contact allergen profile in patients underwent skin patch test
with a diagnosis of ACD in Yozgat.
The mother of six did a patch test
three days before using a home dye kit, and after nothing happened, she applied the colour to her whole head.
Because the patch test
can use two different fluids, acidic fluid or de-ionized water, the researchers conducted additional tests to determine which fluid recovered the most chloride.
Warshaw EM, Buchholz HJ, Belsito DV, et al: Allergic patch test
reactions associated with cosmetics: retrospective analysis of cross-sectional data from the North American Contact Dermatitis Group, 2001-2004.
Equation 2 is used here to transform the MPD measurements obtained using the laser texture scanner and laser profiler into ETD values so that they could be compared to the MTD values obtained from the sand patch tests
A recent international survey of patch-test methodology used by expert groups of allergy specialists found that almost all place the patch test
under occlusion for 2 days and do the first reading at 72 or 92 hours (Dermatitis 2009;20:257-60).
Results: Positive patch test
reaction to one or more allergens was found in 80 (62.
Cohen said about 9% of people who undergo patch tests
and 1% of the general population are sensitive.
Johnke H, Norberg LA, Vach W, et at: Reactivity to patch tests
with nickel sulfate and fragrance mix in infants.
to a modified North American Contact Dermatitis Group panel, a panel of different rubbers, selected chemicals from the patient's workplace, and samples of printed materials all yielded negative results.
Bacitracin moved from the 10th most common allergen detected on patch tests
in 2002 to the 9th most common in 2003, causing more than 9% of positive reactions among 5,812 patients with suspected contact dermatitis, reported the North American Contact Dermatitis Group.