Synopsis
erythematous macules and slightly elevated papules widely distributed over the trunk, neck, face, and thighs
diffuse histiocytic infiltrate in the skin
Ultrastructurally
Immunochemistry
S-100-
CD1a-
MS-1 high molecular weight protein + (highly characteristic for cutaneous non-Langerhans cell histiocytoses)
Associations
acute monocytic leukemia (#14576638#)