Labial salivary gland biopsy in Sjögren's disease
Chisholm Mason scale
|
Grade |
Lymphocytes per 4 sq mm of Salivary Tissue |
|
0 |
Absent |
|
1 |
Slight infiltrate |
|
2 |
Moderate infiltrate or less than one focus |
|
3 |
One focus |
|
4 |
More than one focus |
|
|
Focus = an aggregate of 50 or more lymphocytes and histiocytes |
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