1[1]Coulon HJ, Peter HH. Melanoma metastasis in the neck region with unknown primary tumor[J]. Laryngol Rhinol Otol ,1984,63( 1) : 17-20.
2[2]Jonk A, Kroon BB, Rumke P, et al. Lymph node metastasis from melanoma with an unknown primary site[J]. Br J Surg ,1990, 77(6): 665-668.
3[3]Panagopoulos E, Murray D. Metastatic malignant melanoma of unknown primary origin: a study of 30 cases[J]. J Surg Oncol ,1983,23(1):8-10.
4[4]Anbari KK, Schuchter LM, Bueky LP, et al. Melanoma of unknown primary site: presentation, treatment, and progno sis: a single institution study[J]. Cancer ,1997,79(9):1816-1821.
5[5]Wilson RW. Moran CA. Primary melanoma of the lung: a clin icopathologic and immunohistochemical study of eight cases [J]. Am J Surg Pathol , 1997.21 (10): 1196-1202.
7[7]Vijuk G. Coates AS. Survival of patients with viseeral meta static melanoma from an occult primary lesion: a retrospective matched cohort study[J]. Ann Oncol , 1998,9 ( 4 ): 419-422.