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Ramon L. Font, MD; Hector Battifora, MD; Frederick A. Jakobiec, MD; Lorenz E. Zimmerman, MD
Houston, Tex

Arch Ophthalmol. 1991;109(3):315-316.

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

To the Editor.

—We had the opportunity to review representative slides from the exenteration specimen kindly sent to one of us (R.L.F.) by Dr Bullock from the tumor he and his colleagues¹ interpreted as a "primary orbital neuroblastoma." On review of the slides, all four of us favored the diagnosis of orbital carcinoid tumor. By light microscopy, the tumor exhibited all four main patterns described previously in cases of carcinoid tumors: pattern A (solid basaloid lobules), pattern B (trabecular or cordlike), pattern C (tubular or rosettelike), and pattern D (mixed).² The tumor also lacked the fine fibrillary background (neuropil) that is frequently observed in cases of neuroblastoma.³

We decided to study the tumor using the Krystalon procedure used by one of us (H.B.). Portions of the section from the exenteration specimen containing tumor tissue were lifted off the slide, sectioned into 12 portions averaging 5x5 mm each, . . . [Full Text PDF of this Article]

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