target lesion

target lesion
1. bull's-eye l. 2. a small, circumscribed focus of necrosis with a gray center surrounded by erythema, seen in the lungs in invasive aspergillosis. 3. a skin lesion characteristic of erythema multiforme, consisting of a central zone that has a bulla or crust and is surrounded by one or two concentric zones of changed colors. Called also bull's-eye l.

Medical dictionary. 2011.

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