2Moll I,Heid H,Moll R.Cytokeratin analysis of piloma-trixoma:changes in cytokeratin-type expression during dif-ferentiation[J].Jinvest Derm atol,1988,91:251.
5Wang J,Cobb CJ,Martin SE,et al.Pilomatrixoma:clinico-pathologic study of 51 cases with emphasis on cytologicfeatures[J].Diagn Cytopathol,2002;27(3):167-172.
6Van der Horn G,Rutten MJ.Pilomatrixoma[J].JBR-BTR,2011;94(3):142-143.