Table III.
Results of blood phenotype by flow cytometry analysis and PCR analysis for T-cell rearrangement
| Eczema, n = 21 | Psoriasis, n = 17 | DE, n = 20 | SS, n = 20 | E-MF, n = 13 | Total, n = 91 | |
|---|---|---|---|---|---|---|
| CD4/CD8 ratio in blood, median (IQR) | 3.9 (3.1, 5.9) | 4.2 (3, 7.7) | 2.6 (2.3, 3) | 21.0 (9.6, 48) | 4.0 (3.7, 4.7) | 4.7 (3.2, 10.1) |
| CD4/CD8 ratio >10 | 2 | 0 | 15 | 0 | 17 | |
| Missing value | 7 | 8 | 18 | 0 | 0 | 33 |
| Blood involvement | ||||||
| B0 | 9 | 6 | 3 | 0 | 8 | 26 |
| B1 | 5 | 4 | 0 | 0 | 5 | 14 |
| B2 | 0 | 0 | 0 | 20 | 0 | 20 |
| Missing value | 7 | 7 | 17 | 0 | 0 | 31 |
| Detailed B1 stage | n =5 | n = 4 | n = 0 | n= 0 | n = 5 | n = 14 |
| CD3+CD4+CD158+ | 0 | 0 | – | – | 2 | 2 |
| CD3+CD4+CD7- | 1 | 2 | – | – | 4 | 7 |
| CD3+CD4+CD26- | 4 | 2 | – | – | 3 | 9 |
| Clonal TCR in blood | ||||||
| Presence | 6 | 2 | 0 | 19 | 9 | 36 |
| Absence | 10 | 8 | 5 | 0 | 3 | 26 |
| Missing value | 5 | 7 | 15 | 1 | 1 | 29 |
| Clonal TCR in skin | ||||||
| Presence | 6 | 2 | 0 | 20 | 13 | 41 |
| Absence | 11 | 9 | 2 | 0 | 0 | 22 |
| Missing value | 4 | 6 | 18 | 0 | 0 | 28 |
| Identical clonal TCR in skin in 2 different skin locations | ||||||
| Presence | 0 | 1 | 0 | 19 | 10 | 30 |
| Absence | 13 | 10 | 2 | 1 | 1 | 27 |
| Missing value | 8 | 6 | 18 | 0 | 2 | 34 |
| Identical clonal TCR rearrangement in skin and blood | ||||||
| Presence | 0 | 1 | 0 | 17 | 7 | 25 |
| Absence | 16 | 9 | 2 | 2 | 5 | 34 |
| Missing value | 5 | 7 | 18 | 1 | 1 | 32 |
IQR: interquartile range; SS: Sézary syndrome; E-MF: erythrodermic mycosis fungoides; DE: drug-induced erythroderma; TCR: T-cell receptor.