{"title":"轨道平滑肌瘤。","authors":"A. Neetens, H. Smet","doi":"10.32388/yhmikw","DOIUrl":null,"url":null,"abstract":"Orbital leiomyoma is a rare benign smooth muscle tumor arising from the walls of orbital vessels characterized by its slow growth and well encapsulated nature. It is usually located in an extraconal position, commonly manifesting with painless proptosis. T he tumor is composed of spindle cells arranged in a fibrous stroma rich in dilated sinusoidal capillaries. T he nuclei of tumor cells are oval with blunted ends and there are no mitotic figures. Orbital leiomyoma when excised has excellent prognosis for vision and life. One case of orbital leiomyosarcoma that possibly represents sarcomatous change in an orbital leiomyoma following radiation treatment has been reported. Qeios · Definition, February 10, 2020","PeriodicalId":9308,"journal":{"name":"Bulletin de la Societe belge d'ophtalmologie","volume":"6 1","pages":"73-7"},"PeriodicalIF":0.0000,"publicationDate":"2020-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Orbital leiomyoma.\",\"authors\":\"A. Neetens, H. Smet\",\"doi\":\"10.32388/yhmikw\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Orbital leiomyoma is a rare benign smooth muscle tumor arising from the walls of orbital vessels characterized by its slow growth and well encapsulated nature. It is usually located in an extraconal position, commonly manifesting with painless proptosis. T he tumor is composed of spindle cells arranged in a fibrous stroma rich in dilated sinusoidal capillaries. T he nuclei of tumor cells are oval with blunted ends and there are no mitotic figures. Orbital leiomyoma when excised has excellent prognosis for vision and life. One case of orbital leiomyosarcoma that possibly represents sarcomatous change in an orbital leiomyoma following radiation treatment has been reported. Qeios · Definition, February 10, 2020\",\"PeriodicalId\":9308,\"journal\":{\"name\":\"Bulletin de la Societe belge d'ophtalmologie\",\"volume\":\"6 1\",\"pages\":\"73-7\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2020-02-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Bulletin de la Societe belge d'ophtalmologie\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.32388/yhmikw\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bulletin de la Societe belge d'ophtalmologie","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.32388/yhmikw","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Orbital leiomyoma is a rare benign smooth muscle tumor arising from the walls of orbital vessels characterized by its slow growth and well encapsulated nature. It is usually located in an extraconal position, commonly manifesting with painless proptosis. T he tumor is composed of spindle cells arranged in a fibrous stroma rich in dilated sinusoidal capillaries. T he nuclei of tumor cells are oval with blunted ends and there are no mitotic figures. Orbital leiomyoma when excised has excellent prognosis for vision and life. One case of orbital leiomyosarcoma that possibly represents sarcomatous change in an orbital leiomyoma following radiation treatment has been reported. Qeios · Definition, February 10, 2020
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