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Difference between revisions of "Sjögren syndrome"
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→Focus score
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===Focus score=== | ===Focus score=== | ||
Features:<ref name=pmid12022353/> | Features:<ref name=pmid12022353/> | ||
*This is nothing more than a count of significant lymphocytic foci. | *This is nothing more than a count of significant lymphocytic foci per 4 mm*mm. | ||
**Significant: >= 50 lymphocytes, adjacent to salivary gland acini. | **Significant: >= 50 lymphocytes, adjacent to salivary gland acini. | ||
** | **A ''focus score'' of one or more is considered significant.<ref name=pmid12006334/> | ||
Calculating the focus score (fs): | |||
# Count the significant foci (n). | |||
# Estimate that area in mm<sup>2</sup> (a). | |||
:<math>fs = { n \over a } \times 4 \ mm</math> | |||
====Grading==== | ====Grading==== | ||