Case 166. Syphilis, secondary (45 y-o M)

　 　 　 　
　 Multiple red-colored infiltrative papules on the neck and face of a lymphoma patient in a complete remission (biopsy from the neck skin) 　
　 　 　 　

　

 　 Dense infiltration of small lymphocytes and plasma cells is observed in the dermis. Hyperkeratotic acanthosis and exocytosis are associated (HE, low power).