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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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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