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PUVA-induced pityriasis lichenoides chronica-like papular lesions in patients with mycosis fungoides: a clinical, histopathological and immunohistochemical study

  • Randa Youssef
  • Mona R. E. Abdel-Halim
  • Dalia M. Abdel Halim
  • Marwa M. Fawzy
  • Marwa F. Hussein
  • Maha Fathy ElmasryEmail author
  • Safinaz S. Sayed
  • Noha M. Abo Eid
Original Paper

Abstract

Mycosis fungoides (MF) is the most common form of cutaneous T cell lymphoma (CTCL) with many clinical variants including papular and pityriasis lichenoides chronica (PLC)-like variants. During psoralen and ultraviolet A (PUVA) treatment of MF, PLC-like papular lesions were observed to appear. The exact nature of these lesions is not fully understood. This work aimed to study PLC-like papular lesions arising in MF patients receiving PUVA therapy clinically, histopathologically and immunohistochemically (using monoclonal antibodies against CD4 and CD8) and to compare them with lesions in classic PLC patients. Fifteen MF patients with PLC-like papular lesions arising during PUVA treatment were included and 15 patients with classic PLC served as controls. While the extent of these lesions significantly correlated with their duration (p < 0.05), it showed no significant correlation with the TNMB stage of MF, number of phototherapy sessions or cumulative UVA dose at which they started to appear. The response status of MF to PUVA did not affect their development. Compared to classic PLC, these lesions showed significantly more acute onset (p = 0.003). None of these lesions showed histopathological features essential to diagnose papular/PLC-like MF and no significant difference existed with regard to their histopathological and CD4/CD8 phenotypic features compared to classic PLC. Papular lesions mimicking PLC in MF patients receiving PUVA mostly represent an upgrading reaction with possible good prognostic implication.

Keywords

Pityriasis lichenoides chronica (PLC) Pityriasis lichenoides chronica-like lesions (PLC-like lesions) Mycosis fungoides (MF) Psoralen and ultraviolet A (PUVA) 

Notes

Funding

The authors did not receive any fund for this work.

Compliance with ethical standards

Conflict of interest

All the authors have no conflict of interest to declare.

Ethical approval

All procedures performed in the study were in accordance with the ethical standards of the Dermatology Research Ethical Committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Randa Youssef
    • 1
  • Mona R. E. Abdel-Halim
    • 1
  • Dalia M. Abdel Halim
    • 1
  • Marwa M. Fawzy
    • 1
  • Marwa F. Hussein
    • 1
  • Maha Fathy Elmasry
    • 1
    Email author
  • Safinaz S. Sayed
    • 2
  • Noha M. Abo Eid
    • 3
  1. 1.Department of DermatologyKasr AlAini Hospital, Cairo UniversityCairoEgypt
  2. 2.Department of HistologyKasr AlAini Hospital, Cairo UniversityCairoEgypt
  3. 3.Department of DermatologyDamietta General HospitalDamiettaEgypt

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