Table 4 The histopathological features of ATL after renal transplantation (case 1 and case 2)
Immunohistochemical staining | FoxP3 | HLA class I | HLA class II | Neoplastic PD-L1 | Microenvironmental PD-L1 | PD-1-positive TIL | |
|---|---|---|---|---|---|---|---|
Case 1 | Immunohistochemically, abnormal lymphoid cells are positive for cCD3, CD4 | 0% | 0% | 0% | 0% | Positive (50/HPF) | Average 20.8/HPF |
Case 2 | Flow cytometric analysis showed CD3 + 4 + 8 + 30 + 25-phenotype | 0% | 0% | 0% | 0% | 0/HPF | Average 0.8/HPF |