Objetive To observe the incidence of extraocular extension of malignant uveal melanoma, the relationship between the incidence and histopathologic type, the characters of clinical manifestation and iconography, and the factors influencing prognosis. Methods Nine cases of extraocular extension of malignant uveal melanoma within last 20 years were analyzed retrospectively. All cases were diagnosed by histopathological examination and most of them had undergone ultrasound and CT examinations. Results The incidence of extraocular extension of malignant uveal melanoma was 15%. Tumors of 6 patients were flat and 2 nodular in shape, 4 epithelial cell and 1 spindle cell in type. The follow-up results of 5 patients in this series indicated that the prognosis was related to the size of the tumor, the degree of extraocular extension, and histopathologic type. Conclusion Extraocular extension of malignant uveal melanoma might happen in early case and the occurrence is usually related to the histopathologic type of the tumor. Iconographic examination is very helpful for diagnosis in extraocular extension of this tfumor. (Chin J Ocul Fundus Dis,1999,15:30-32)
Citation： ZHANG Hong,SONG Guoxiang,HE Yanjin,et al. Extraocular extension of malignant uveal melanoma. Chinese Journal of Ocular Fundus Diseases, 1999, 15(1): 30-32. doi: Copy
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