KIT and neuronal ceroid lipofuscinosis: According to histopathological and immunophenotyping results of 68 cases, there were 18 PTCLs, 21 ECTCLs, 15 NECTCLs, 8 EATCLs type I, and 6 cases of NCL (CD3-, CD20-, CD79a-, CD117-, CD18-, MUM1-, and C45+) (Figure 1).