Table 2.
Immunohistochemical features of samples
| Casea | Features specific for RDD |
Antibodies examined may contribute to diagnosis |
||||
|---|---|---|---|---|---|---|
| S100b | CD68b | CD1ab | IgG4+/HPFc | IgG+/HPFc | IgG4/IgG%c | |
| 1 | + | + | − | 46 | 81 | 56.8% |
| 2 | + | + | − | 33 | 40 | 82.5% |
| 3 | + | + | − | 11 | 65 | 16.9% |
| 4 | + | + | − | 35 | 90 | 38.9% |
| 5 | + | + | − | 20 | 220 | 9.1% |
| 6 | + | + | − | 101 | 213 | 47.4% |
| 7 | + | + | − | 72 | 84 | 85.7% |
| 8 | + | + | − | 10 | 265 | 3.8% |
| 9 | + | + | − | 1 | 4 | 25% |
| 10 | + | + | − | 9 | 49 | 18.4% |
| 11 | + | + | − | 1 | 46 | 2.2% |
| 12 | + | + | − | 12 | 12 | 13.3% |
| 13 | + | + | − | 10 | 190 | 5.3% |
| 14 | + | + | − | 71 | 160 | 44.3% |
| 15 | + | + | − | 69 | 116 | 59.5% |
| 16 | + | + | − | 19 | 79 | 24.1% |
| 17 | + | + | − | 6 | 178 | 3.4% |
| 18 | + | + | − | 18 | 182 | 9.9% |
| 19 | + | + | − | 65 | 118 | 55.1% |
| 20 | + | + | − | 2 | 120 | 1.7% |
| 21 | + | + | − | 78 | 218 | 35.8% |
| 22 | + | + | − | 10 | 48 | 20.8% |
| 23 | + | + | − | 21 | 117 | 17.9% |
a
Case 1 to case 12 were from Second Xiangya Hospital of Central South University and case 13 to case 23 were from Dermatology Hospital of Southern Medical University.
b
The immunohistochemical expression of S100, CD68 and CD1a were collected from existing pathologic reports.
c
Three high-power fields (400×) with the maximum number of positive cells were counted, and an average number per HPF was calculated and presented in the Table 2.