Sinusitis
Sinusitis is a thing that occasionally comes to the pathologist. This article deals with nonspecific sinusitis, i.e. sinusitis without an identifiable cause.
General
- Clinical diagnosis.
- Benign.
- Very common in general.[1]
Microscopic
Features:
- Sinonasal mucosa.
- Ciliated epithelium.
- +/-Squamous epithelium.
- Subepithelial glands.
- Inflammatory cells.
- Plasma cells - usu. predominant.
- Lymphocytes.
- +/-Bone.
DDx:
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MIDDLE TURBINATE, LEFT, EXCISION: - INFLAMED SINONASAL MUCOSA AND BONE. - NEGATIVE FOR MALIGNANCY.
Micro
The sections show mucosa with a ciliated epithelium and bland subepithelial glands. Abundant inflammatory cells, predominantly plasma cells and lymphocytes, are present. There is a lesser amount of neutrophils. Eosinophils are not significant component of the inflammation. There is no significant nuclear atypia. Mitotic activity is not readily apparent. Benign bone is present.
See also
References
- ↑ 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.