2Martin L,Combemale P,Dupin M,et al.The atrophic Variant of dermatofibrosarcoma protuberans in childhood:a report of six cases[J].Br J Dermatol,1998,139:7 189.
3Mckee PH,Fletcher CD.Dermatofibrosarcoma protuberans presenting in infancy and childhood[J].J Cutan Pathol,1991,18:241-244.
4Taylor HB,Helwig EB.Dermatofibrosarcoma protuberans:a study of 115 cases[J].Cancer,1962,15:717-719.
5Weiss SW,Nickoloff B J.CD34 is expressed by a distinctive cell population in peripheral nerve,nerve sheath tumors,and related lesions[J].Am J Surg Pathol,1993,17:1 039-1 045.
