Background and Aims: Perivascular epithelioid cell neo-plasms (PEComas) are a rare type of mesenchymal neo-plasm and the......

2例男性患者主诉为单眼视力缓慢下降至无光感就诊，眼科检查及眼部影像学检查显示球内占位，黑色素瘤可能，行眼球摘除术，组织病理学及免......