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The 1999 Bjerrum Lecture: Part 2

Jerry A. Shields, MD; Carol L. Shields, MD; Arun D. Singh, MD

Arch Ophthalmol. 2000;118:217-224.

Background  Little information is available on metastatic tumors to the optic disc.

Objective  To determine the clinical features and prognosis of patients with optic disc metastasis.

Design  Retrospective chart review.

Results  Of 660 consecutively evaluated patients with intraocular metastasis, 30 (4.5%) (31 eyes) had metastatic cancer to the optic disc; 24 (80%) were women and 6 (20%) were men. Mean age at the time of ocular diagnosis was 55 years. The primary neoplasm was in the breast in 13 patients (43%), in the lung in 8 (27%), in the intestine in 1 (3%), in the kidney in 1 (3%), and in the prostate in 1 (3%); the primary neoplasm was never determined in 6 patients (20%). The optic disc metastasis was unilateral in 29 patients (97%) and bilateral in 1 (3%). Ophthalmoscopically, the disc metastasis appeared as a diffuse enlargement of the optic disc in 26 eyes (84%) and as a distinct nodule in 5 (16%). There was an adjacent juxtapapillary choroidal component to the metastatic disc lesion in 23 eyes (74%), and the optic disc was involved without a retinal or choroidal component in 8 (26%). Other associated findings included some degree of secondary disc edema in all eyes, buried disc blood vessels in 23 (74%), and splinter hemorrhages in 13 (42%). Fine needle aspiration biopsy was useful in establishing the diagnosis in all 5 eyes in which it was performed. Mean survival was 13 months after diagnosis of the disc metastasis.

Conclusions  Metastasis to the optic disc accounts for 5% of all intraocular metastases. It can occur as invasion from a juxtapapillary choroidal metastasis or as isolated optic disc metastasis. Breast and lung cancers are the most common primary neoplasms that account for metastasis to the optic disc. The primary site is never determined in 20% of patients. The characteristic clinical features of optic disc metastasis should help differentiate it from other causes of swollen optic disc. Patient prognosis is poor.

From the Oncology Service, Wills Eye Hospital, Thomas Jefferson University, Philadelphia, Pa.

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