关于脉络膜黑色素瘤，下列哪项是错误的
A．是成年人最常见的眼内恶性肿瘤
B．居眼内恶性肿瘤的第2位
C．在葡萄膜肿瘤中占61.5%
D．超声检查本病有特异性表现，肿物隆起2mm即可检出
E．白瞳孔是最常见的体征
参考答案：E
解析： 脉络膜黑色素瘤是成人中最常见的眼内恶性肿瘤，居眼内恶性肿瘤的第2位，由恶性黑色素瘤细胞组成。脉络膜基质是色素膜黑色素瘤最常发生的部位。在葡萄膜肿瘤中占61.5%。超声检查本病有特异性表现，肿物隆起2mm即可检出，诊断符合率97%～99%。视网膜母细胞瘤是白瞳孔最常见的致病原因。
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