Background: Occasionally, the need arises to patch-test patients while they are on immunomodulators. Little is known about how these systemic agents affect the results of patch testing.

Patients with skin of color are less likely to be diagnosed with a borderline reaction to patch testing than patients with lighter skin tones.

We report our experience with more than 1,000 patients who underwent patch testing with metals during the past decade at Mayo Clinic. Many metals with high reaction rates (eg, gold, nickel ...

Scientists have taken a major step forward in developing a new treatment for heart failure. A recent study tested a heart ...