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July 1987

Orbital Metastasis From a Carcinoid TumorComputed Tomography, Magnetic Resonance Imaging, and Electron Microscopic Findings

Author Affiliations

From the Oncology Service (Drs C. L. Shields and J. A. Shields) and Department of Pathology (Dr Eagle), Wills Eye Hospital, Philadelphia; Department of Radiology, Hahnemann Medical College, Philadelphia (Dr Peyster); Department of Ophthalmology, St John's Hospital, Salina, Kan (Dr Conner), and Department of Medicine, Thomas Jefferson University, Philadelphia (Dr Green).

Arch Ophthalmol. 1987;105(7):968-971. doi:10.1001/archopht.1987.01060070104038

• An otherwise asymptomatic 63-year-old woman with a history of a carcinoid tumor of the ileum and a cutaneous melanoma of the shoulder developed unilateral proptosis. Orbital ultrasonography, computed tomography, and magnetic resonance imaging revealed a large, well-circumscribed orbital mass involving the superior rectus muscle. The surgically excised tumor was studied by light microscopy, histochemistry, and transmission electron microscopy. These studies confirmed the diagnosis of carcinoid tumor. The clinical and pathologic features of this rare type of orbital metastasis are discussed.