Lichenoid melanodermatitis.

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Abstract
Kenyan patients (51) with variable round plaques on the exposed parts, predominantly on the face, and characterized by central hyperpigmentation with annular hypopigmented borders are described. The clinical and histological picture showed transitions which ranged from lichen planus and lichenoid poikilodermatous syndromes to dermatitis. This syndrome corresponds largely with (sub-)tropical or actinic lichen planus as reported from the Middle East, where emphasis was given mainly to a part of the described spectrum of transitions. This syndrome should be considered as 1 of Pinkus'' regional lichenoid syndromes which represent hybrids between lichen planus and other conditions rather than as a mere variant of lichen planus.