Differential Diagnosis of Parapsoriasis

Shall we exclude parapsoriasis from the medical vocabulary?

“…This classification was remodeled many years later by Sutton, who changed some of these names but maintained the same structure 6 . Parapsoriasis guttata has been also used as a synonym of pityriasis lichenoides chronica 7,8 and digitate dermatoses 3 . Poikiloderma atrophicans vasculare, parapsoriasis en plaques, and lichenoid parapsoriasis were synonymous 9 .…”

A Case of Parapsoriasis en Plaques of 18 Years Duration Terminating with Hodgkin’s Disease or Reticulum Cell Sarcoma of the Lymphatic Tissue

“…Even at the present tim e it remains to be settled as to whether the former is a separate disease entity or incipient mycosis fungoides despite a con siderable num ber of investigations having been reported [3,4,6,8,9,10]. This problem was recently discussed by Fleischmajer et al [1], The differences of opinion are due to obscure pathology of both two diseases and also, in part due to inadequate information as related to long-term follow-up study.…”