Review Article
IgG4 Cholangiopathy
Table 2
Sensitivity and specificity of detection of IgG4+ plasma cells (ā„10 cells/high power field) by ampullary, liver, and bile duct biopsies.
| ć | Sensitivity | Specificity | Reference |
| Ampullary biopsy | 80% | 100% | [26] | 67% | 100% | [27] | 53% | 100% | [28] | 52% | 91% | [29] |
| Liver needle biopsy | 24% | 100% | [30] | 60% | 100% | [31] | 26% | 100% | [15] |
| Bile duct biopsy | 52% | 97% | [29] |
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