[Centrifugal annular erythema of Colcott-Fox type (erythema gyratum perstans)].

The case of a child with Colcott-Fox type of centrifugal annular chronic erythema is reported. It is a sporadic, non-familial form, associated with a bullous eruption, and an atrophic conjonctivitis with trichiasis. A review is made of 11 previously published cases, allowing a synthesis of their essential features. The action played by the slow reactive substances (S. R. S. A.) in the extension of the erythematous margin is discussed. The clinical diagnosis of centrifugal annular erythema is exposed.