Folliculite pseudolymphomateuse du visage chez un enfant : aspect hypochromique

PLF is defined as a clinical-pathological entity among the cutaneous pseudolymphomas. The usual clinical aspect is that of a solitary red-to-violaceous asymptomatic nodule measuring less than 1.5 cm in diameter. Histology shows follicular invasion characterized by lymphocytic infiltration into pilosebaceous units, creating architectural distortion; this infiltration is associated to perifollicular dendritic cells expressing CD1a and protein S100. We report this new case of PLF because of its peculiar clinical presentation. However, FPL remains a controversial entity, since the follicular location of the pseudolymphomatous lymphocytic infiltration seems poorly specific in facial lesions.