3Kransdorf MJ. Benign soft-tissue tumors in a large referral population: distribution of specific diagnoses by age, sex, and location[J]. AJR Am J Roentgenol, 1995, 164(2): 395-402.
4Ritter SE, Elston DM. Cutaneous schwannoma of the foot [J]. Cutis, 2001, 67(2): 127-129.
5Buenger KM, Porter NC, Dozier SE, et al. Localized multiple neurilemmomas of the lower extremity[J]. Cutis, 1993, 51(1): 36- 38.