3Spano JP, Busson P, Arian D, et al. Nasopharyngeal carcinomas:an update. EurJ Cancer,2003,39: 2121-2135.
4Geara FB, Sanguineti G, Tucker SL, et al. Carcinoma of the nasopharynx treated by radiotherapy alone: determinants of distant metastasis and survival. Radiother Oncol, 1997,43 : 53-61.
5Shields JA,Shields CL,Brotman HK,et al. Cancer metastatic to the orbit: the 2000 Robert M. Curts Lecture. Ophthal Plast Reconstr Surg,2001,17:346-354.
6Fahmy P,Heegaard S,Jensen OA,et al. Metastases in the ophthalmic region in Denmark 1969-98. A histopathological study. Acta Ophthalmol Scand,2003,81:47-50.
7Holland D, Maune S, Kovacs G, et al. Metastatic tumors of the orbit:a retrospective study. Orbit,2003,22 : 15-24.
8Amemiya T, Hayashida H, Dake Y. Metastatic orbital tumors in Japan: a review of the literature. Ophthalmic Epidemiol,2002 ,9 :35-47.
9Gunalp I, Gunduz K. Metastatic orbital tumors. Jpn J Ophthalmol,1995,39:65-70.
10Goldberg RA,Rootman J,Cline RA. Tumors metastatic to the orbit:a changing picture. Surv Ophthalmol, 1990,35 : 1-24.
