Eosinophilic Pustular Folliculitis in the Acquired Immunodeficiency Syndrome

EOSINOPHILIC pustular folliculitis is a rare pruritic dermatosis¹ that has only recently been reported in patients from the United States.^{2 3 4 5 6} The eruption is characterized by sterile pruritic papules and pustules on the face, trunk, and extremities. The lesions, which coalesce to form plaques with papulo-vesicular borders that may extend peripherally, have a tendency toward central clearing and residual hyperpigmentation. These lesions, characterized by spontaneous exacerbations and remissions, may be accompanied by peripheral leukocytosis, eosinophilia, or both. The histologic features of eosinophilic pustular folliculitis include intercellular edema (spongiosis) of the follicular epithelium and infiltration of the outer root sheath of the.