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Arch Ophthalmol. 2004;122:1548-1549.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Ocular metastases, and particularly choroidal metastases, can precede detection of primary neoplasm, mainly lung cancers.¹ In 39% to 51% of cases, primary tumors remain undetected despite intensive and invasive investigations using conventional tools.¹ Based on the increased glycolytic activity, positron emission tomography (PET) scanning is a new imaging method for locating cancer cells used in the localization of primary tumors,² but it has never been reported in ophthalmology. We report a case of choroidal metastasis from a lung adenocarcinoma only diagnosed by PET scan.

Report of a Case

A 50-year-old man was referred for choroidal metastasis of unknown origin. He had a 1-month history of blurred peripheral vision in the right eye and severe loss of visual acuity. He had smoked 20 cigarettes per day for 35 years. Ophthalmic examination revealed visual acuity worse than 20/400 OD. Anterior segment examination of both eyes and fundus examination of the left eye had normal results. His . . . [Full Text of this Article]

Comment
Pascal Sève, MD; Laurent Kodjikian, MD; Cyrille Vautrin; Jean-Daniel Grange, MD; Christiane Broussolle, MD

Correspondence: Dr Sève, Department of Internal Medicine, Hôtel Dieu, 1 place de l'Hôpital, 69288 Lyon Cedex 02, France (pascal.seve@chu-lyon.fr).