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Trachea
Nonneoplastic lesions
Mucous membrane plasmacytosis


Adriana Handra-Luca, M.D.

Topic Completed: 1 October 2012

Revised: 5 April 2019

Copyright: 2002-2017, PathologyOutlines.com, Inc.

PubMed Search: Mucous membrane plasmacytosis

Adriana Handra-Luca, M.D.
Page views in 2018: 86
Page views in 2019 to date: 74
Table of Contents
Definition / general | Treatment | Gross description | Microscopic (histologic) description | Microscopic (histologic) images
Cite this page: Handra-Luca A. Mucous membrane plasmacytosis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/tracheamucousmembraneplasma.html. Accessed June 25th, 2019.
Definition / general
  • Nonneoplastic proliferative disorder of plasma cells
  • Mean 54 years, range 40 - 67 years, 2/3 men
Treatment
  • Unknown: antibiotics, steroids, surgery are unsuccessful
Gross description
  • Cobblestone or warty appearance of larynx, pharynx, palate, lips, mouth, tongue, trachea
Microscopic (histologic) description
  • Psoriasiform epithelial hyperplasia with dyskeratosis and dense subepithelial plasmacytosis
  • Diffuse but mature plasma cells are polyclonal (i.e. no light chain restriction)
Microscopic (histologic) images

Images hosted on other servers:

Buccal mucosa: hyperplastic, parakeratinized
stratified squamous epithelium with
dense infiltrate of mature
plasma cells in lamina propria

Buccal mucosa: plasma
cells are IgG+, CD138+,
both kappa+ and lambda+

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