TNFRSF8 and Lymphomatoid Papulosis: The consideration of atypia as a sign of malignant progression in skin tumours is not restricted to KAs: For example, there were heterogenous reports about the presence of atypical CD30+ cells in lymphomatoid papulosis – another potentially ‘self-healing’ cutaneous pseudomalignancy (el-Azhary et al, 1994).