Lymphomatoid papulosis is a chronic disease of cutaneous lymphoid infi
ltration characterized clinically by involuting and recurring papules,
plaques, and nodules. The intriguing combination of a usually benign
clinical course, a cytologically malignant lymphoid infiltrate on hist
ologic examination, and a clear, but sporadic association with extracu
taneous lymphomas has stimulated significant investigation. Applicatio
n of recent technical advances to re search in lymphomatoid papulosis
prompts this review.