McNutt’s pseudolymphomatous folliculitis (nasal located)

Authors

  • Hugo N. Cabrera University of Buenos Aires, Autonomous City of Buenos Aires, Argentina
  • José G. Casas University of Buenos Aires, Autonomous City of Buenos Aires, Argentina
  • Elba Griffa University of Buenos Aires, Autonomous City of Buenos Aires, Argentina
  • Corina Sorgentini University of Buenos Aires, Autonomous City of Buenos Aires, Argentina

DOI:

https://doi.org/10.47196/da.v27i3.2187

Keywords:

folliculitis, pseudolymphoma

Abstract

Pseudolymphomatous folliculitis, described by McNutt in 1986, is a non-frequent entity of unknown etiology that simulates a cutaneous lymphoma, both clinically and histologically. It shows as a solitary erythematous nodular lesion of 0.5 to 3 cm, with a rapid growth, mainly on the face, in people aged 40 to 60 years, and histopathology characterized by a perifolicular B and T lymphocytic infiltrate, and positive dendritic cells for immunohistochemistry S100 and CD1a. Its course is benign, often self-limited. The case of a patient with a particular clinical form of pseudolymphoma is presented.

Author Biographies

  • Hugo N. Cabrera, University of Buenos Aires, Autonomous City of Buenos Aires, Argentina

    Emeritus Professor

  • José G. Casas, University of Buenos Aires, Autonomous City of Buenos Aires, Argentina

    Associate Professor of Pathology

  • Elba Griffa, University of Buenos Aires, Autonomous City of Buenos Aires, Argentina

    Medical Specialist in Dermatology

  • Corina Sorgentini, University of Buenos Aires, Autonomous City of Buenos Aires, Argentina

    Medical Specialist in Dermatology

References

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VII. Kazakov AV, Belousova IE, Kacerovska D, Sima R, et ál. Hyperplasia ofhair follicles and other adnexal structures in cutaneous lymphoproliferative disorders: a study of 53 cases, including so-called pseudolymphomatous folliculitis and overt lymphomas. Am J Surg. Pathol. 2008;32:1468-1478.

VIII. Roque Quintana B, Peñate Y, Montenegro Dámaso T. Pseudolymphomatous folliculitis. Dermatol Online J. 2020 15;26:13030/qt85t3f8nw.

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X. Salas J. Pseudolinfomas. Revisión del tema. Dermatología CMQ. 2006;4:122-125.

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Published

2021-09-18

Issue

Vol. 27 No. 3 (2021): July-September 2021

Section

Original Articles

License

Copyright (c) 2021 Argentine Society of Dermatology

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