Which of the following is true about erythema multiforme: September 2011
Ans. B: Target lesions are seen Typical lesion of erythema multiforme is a target lesion, which consists of 3 concentric components 1) central dusky erythema, sometimes surmounted with a vesicle/ bulla, 2) pale edematous ring and 3) erythematous halo "Erythema" in dermatology: Erythema induratum: Bazins disease Erythema nodosum: Multisystemic disorders e.g. sarcoidosis Erythema chronicum migrans: Lymes disease
Triggered mainly by HIV infection
Target lesions are seen
Full blown prodromal symptoms
Involvement of mucosa more common