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作者回顾了23例经组织学证实为视网膜母细胞瘤病人的CT征象,男11例,女12例,平均年龄2岁。扫描层厚3mm,经眼眶中轴连续平扫及静脉增强扫描。根据肿瘤在眶内、外漫延情况将其分为3期,1期:肿瘤限于眼球内;2期:肿瘤位于眼球内及殊后但无眶内漫延;3期:肿瘤在眼球内、球后及眶外并漫延和/或有远处转移。该组单侧病例19例,双侧4例,肿瘤总数为27例,1期23例,2、3期肿瘤各2例。除1例外其余26例均见钙化,大部分肿瘤表现为多发的中等大小的钙化,钙化多位于眼球中纬线前后;26例表现为玻璃体内肿
The authors reviewed CT signs of 23 histologically confirmed retinoblastoma patients, 11 males and 12 females, mean age 2 years. Scanning layer thickness 3mm, continuous orbital axis scan and venous enhanced scanning. According to the tumor in the orbital and outside the extension of the situation will be divided into 3, 1: the tumor is limited to the eye; 2: the tumor is located in the eye and after but no orbital extension; 3: tumor in the eye, the ball And orbital and diffuse and / or distant metastasis. The group of unilateral patients in 19 cases, bilateral in 4 cases, the total number of tumors was 27 cases, a period of 23 cases, 2 and 3 tumors in 2 cases. In addition to 1 exception, the rest of 26 cases were calcified, most of the tumors showed multiple secondary calcifications, calcifications mostly in the eye before and after latitude; 26 cases showed vitreous body swelling