1. Ahmad SM, Esmaeli B. Metastatic tumors of the orbit and ocular adnexa. Curr Opin Ophthalmol. 2007. 18:405–413.
2. Oworu O, Kyle P, Morton R. Metastatic esophageal carcinoma presenting as a lacrimal gland tumour. Br J Ophthalmol. 2004. 88:972–973.
3. Aralikatti DA, Nylander AG. Orbital metastasis from squamous cell carcinoma of the esophagus. Eur J Ophthalmol. 2006. 16:458–460.
4. Collins MJ, Wojno TH, Grossniklaus HE. Metastatic esophageal carcinoma to the orbit. Am J Ophthalmol. 1999. 127:228–229.
5. Tumuluri K, Sharkawi E, Bindra M, Olver JM. Esophageal adenocarcinoma metastatic to the orbit. Ophthal Plast Reconstr Surg. 2006. 22:151–152.
6. Dieing A, Schulz CO, Schmid P, et al. Orbital metastases in breast cancer; report of two cases and review of the literature. J Cancer Res Clin Oncol. 2004. 130:745–748.
7. Goldberg RA, Rootman J, Cline RA. Tumors metastatic to the orbit; a changing picture. Surv Ophthalmol. 1990. 35:1–24.
8. Font RL, Ferry AP. Carcinoma metastatic to the eye and orbit III. A clinicopathologic study of 28 cases metastatic to the orbit. Cancer. 1976. 38:1326–1335.
9. Moss HM. Expanding lesions of the orbit. A clinical study of 230 consecutive cases. Am J Ophthalmol. 1962. 54:761–770.
10. Freedman MI, Folk JC. Metastatic tumors to the eye and orbit. Patient survival and clinical characteristics. Arch Ophthalmol. 1987. 105:1215–1219.
11. Ferry AP, Font RL. Carcinoma metastatic to the eye and the orbit I: a clinicopathologic study of 227 cases. Arch Ophthalmol. 1974. 92:276–286.
12. Char DH, Miller T, Kroll S. Orbital metastases: diagnosis and course. Br J Ophthalmol. 1997. 81:386–390.