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JOURNAL ARTICLE
V A Kumar, B Esmaeli, S Ahmed, B Gogia, J M Debnam, L E Ginsberg
The purpose of this study was to present the imaging features of primary and secondary malignant lacrimal sac and nasolacrimal duct tumors and their pattern of tumor spread in 18 patients. The most common tumor histology in our series was squamous cell carcinoma. In 15/18 patients, tumor involved both the lacrimal sac and duct at the time of diagnosis. In 11/16 patients on CT, the nasolacrimal bony canal was smoothly expanded without erosive changes. The medial canthus region (16/18) was a frequent site of direct tumor spread...
November 2016: AJNR. American Journal of Neuroradiology
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