• 1. Department of Pathology, The Second Affiliated Hospital of Soochow University, Suzhou 215004, China;
  • 2. Department of Ophthalmology, The Second Affiliated Hospital of Soochow University, Suzhou 215004, China;
  • 3. Department of Radiology, Suzhou Wuzhong Peoples of Hospital, Suzhou 215128, China;
Chen Xing, Email: chen384@126.com
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Objective To observe the clinical and pathological features of choroidal malignant melanoma (CM). Methods A retrospective case study. From 2011 to 2021, paraffin specimens from 15 eyes of 15 CM patients diagnosed by pathological examination in the Department of Pathology, the Second Affiliated Hospital of Soochow University were included in the study. The age, gender, clinical manifestations, treatment plan and pathological examination results of patients were collected retrospectively through the hospital information system. The clinical characteristics, immunohistochemical staining and molecular pathological characteristics were analyzed. Results Among the 15 cases, 8 males and 7 females. The average age was 61. All patients were monocular paroxysm. There were 8 cases of decreased vision, blurred vision and dark shadow in front of the eyes; 1 case had red eye, lacrimation and purulent secretion; 2 cases had visual loss and no light perception; 4 cases had retinal detachment. The average diameter of the tumors was 1.4 cm. The general appearance of the tumor was hemispherical, “mushroom-shaped” or flat diffuse. Most of the tumor cells were arranged in solid, flaky and cross clusters, and some of them were arranged in false “chrysanthemum form” around the blood vessels with necrosis. In 15 eyes, spindle-cell type, epithelioid type and mixed cell type were 6, 2 and 7 eyes, respectively. The cytoplasm was partly double stained or eosinophilic, partly clear, and partly rich in pigment. The cells had poor adhesion, marked atypia, rough chromatin, frequent mitotic figures, and prominent nucleoli . Immunohistochemical staining was positive for HMB45, SOX10, S100 and Melan-A in 15 patients, but negative for epithelial markers AE1/3, lymphatic markers LCA, neuroendocrine markers CgA and Syn. Genetic testing results showed that none of the patients found C-KIT, BRAF, NRAS gene mutations. Fifteen patients were followed up for 8-96 months, of which 12 survived and 3 died after recurrence and/or metastasis. Conclusion CM has no specific clinical clinical manifestations, and he diagnosis depends on histological morphology and immunohistochemical staining.

Citation: Hou Yan, Xie Laiqing, Shen Shanshan, Yang Tianyu, Lou Xiaoli, Chen Xing. Clinical and pathological features of 15 patients with choroidal melanoma. Chinese Journal of Ocular Fundus Diseases, 2023, 39(10): 817-822. doi: 10.3760/cma.j.cn511434-20230313-00112 Copy

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