Difference between revisions of "Sinusitis"

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==Microscopic==
==Microscopic==
Features:
Features:
*Sinonasal mucosa with chronic inflammation.
*Sinonasal mucosa.
**Ciliated epithelium.
**Ciliated epithelium.
**+/-Squamous epithelium.
**+/-Squamous epithelium.
**Subepithelial glands.
**Subepithelial glands.
*Inflammatory cells.
**Plasma cells - usu. predominant.
**Lymphocytes.
*+/-Bone.
*+/-Bone.



Revision as of 20:19, 18 December 2013

Sinusitis is a thing that occasionally comes to the pathologist. This article deals with nonspecific sinusitis, i.e. sinusitis without an identifiable cause.

General

Microscopic

Features:

  • Sinonasal mucosa.
    • Ciliated epithelium.
    • +/-Squamous epithelium.
    • Subepithelial glands.
  • Inflammatory cells.
    • Plasma cells - usu. predominant.
    • Lymphocytes.
  • +/-Bone.

DDx:

See also

References

  1. Desrosiers, M.; Evans, GA.; Keith, PK.; Wright, ED.; Kaplan, A.; Bouchard, J.; Ciavarella, A.; Doyle, PW. et al. (2011). "Canadian clinical practice guidelines for acute and chronic rhinosinusitis.". Allergy Asthma Clin Immunol 7 (1): 2. doi:10.1186/1710-1492-7-2. PMID 21310056.