TNFRSF8 and primary cutaneous T-cell lymphoma: Primary cutaneous T-cell lymphoma is a type of primary cutaneous lymphoma, which includes primary cutaneous CD30+ T-cell lymphoproliferative disorders (PCTLDs), mycosis fungoides (MF), and Sézary syndrome.[7,8] PCTLDs have customarily been classified on the basis of their clinical presentation as lymphomatoid papulosis, PC-ALCL, and borderline cases with overlapping clinical and histopathological features.[9]