CT及MRI在腮腺腺泡细胞癌与多形性腺瘤鉴别诊断中的价值

发布时间：2018-03-05 01:22

  本文选题：腺泡细胞癌　切入点：多形性腺瘤　出处：《临床放射学杂志》2017年07期 　论文类型：期刊论文

【摘要】：目的目的探讨腮腺腺泡细胞癌(ACC)的影像学特点及其与多形性腺瘤(PA)的CT及MRI鉴别诊断价值。方法回顾性分析17例腮腺ACC的CT及MRI表现,对比分析其与61例PA的CT及MRI表现的差异,并行统计学检验。结果与PA相比,ACC在年龄、包膜、微囊改变、周围侵犯、ADC值(841.2±113.6/1285.1±244.6,P=0.000)及TIC曲线类型(A型:0/29;B型:1/0,P=0.000)方面差异均具有统计学意义(P0.05),而在位置、最大径、边界、形态、肿瘤密度/信号、强化、出血、钙化、囊变及淋巴结肿大方面差异无统计学意义(P0.05)。C型TIC曲线及ADC值在二者鉴别的敏感性分别达75.0%、90.5%,特异性分别达96.7%、100.0%。结论 CT及MRI不仅有助于ACC与PA的鉴别诊断,而且在其术前分期及判断预后中同样具有较大价值。
[Abstract]:Objective to investigate the imaging features of parotid acinar cell carcinoma (ACCC) and the value of CT and MRI in differential diagnosis from pleomorphic adenoma (PAA). Methods CT and MRI findings of 17 cases with parotid ACC were retrospectively analyzed. The CT and MRI findings were compared with those in 61 cases of PA. Results compared with PA, the changes of age, capsule and microencapsulation were observed. There were significant differences in ADC value of 841.2 卤113.6 / 1285.1 卤244.6 / Pu (0.000) and TIC curve type A: 0 / 29B: 1 / 0 / 0 / 0.000), but there were significant differences in position, maximum diameter, boundary, shape, tumor density / signal, enhancement, hemorrhage, calcification. There was no significant difference in cystic degeneration and lymphadenopathy. The sensitivity of TIC curve and ADC value in the differential diagnosis between ACC and PA were 75.00.5,96.7g and 100.0.Conclusion CT and MRI are not only helpful in the differential diagnosis of ACC and PA, but also in the differential diagnosis of ACC and PA. It is also of great value in preoperative staging and prognosis.
【作者单位】： 广东省汕头市中心医院放射科;
【分类号】：R445.2;R730.44;R739.8

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