核磁共振成像中良性、边缘性和恶性卵巢浆液性肿瘤的比较。

Tsukasa Saida, Miki Yoshida, Toshitaka Ishiguro, Sodai Hoshiai, Masafumi Sakai, Taishi Amano, Saki Shibuki, Toyomi Satoh, Takahito Nakajima
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引用次数: 0

摘要

目的:本研究旨在比较良性、边缘性和恶性卵巢浆液性肿瘤的核磁共振成像结果:我们回顾性分析了24例卵巢浆液性肿瘤患者的磁共振成像数据,其中7例为良性,13例为边缘性,6例为恶性。评估参数包括年龄、肿瘤大小、形态、数目、高度、表观扩散系数(ADC)值、T2 比值、时间-强度曲线(TIC)描述符以及壁结节的 TIC 模式。此外,我们还检查了囊内容物的 T2 和 T1 比值、肿瘤标记物以及是否存在子宫内膜异位症。我们使用 Kruskal-Wallis 和 Fisher-Freeman-Halton 精确检验等统计检验方法来比较上述三组患者的这些参数:结果:57%的良性病例、92%的边缘性病例和17%的恶性病例显示乳头状结构,并伴有内部分支。57%的良性病例、8%的边缘型病例和 17%的恶性病例出现三个或更少的壁结节。与良性肿瘤和边缘型肿瘤相比,恶性肿瘤的壁结节高度明显增加(P = 0.015 和 0.011,分别为 0.015 和 0.011),平均 ADC 值降低(P = 0.003 和 0.035,分别为 0.003 和 0.035)。恶性病例的壁结节的 T2 比值也明显低于良性病例(P = 0.045)。大多数肿瘤显示出中等风险的TIC模式,包括80%的良性肿瘤、83%的边缘性肿瘤和60%的恶性肿瘤,且未观察到显著差异:结论:大多数良性肿瘤和边缘性肿瘤表现为乳头状结构,并伴有内部分支模式,而这一特征在恶性肿瘤中较少见。此外,与边缘性肿瘤相比,良性肿瘤的壁结节较少。与良性肿瘤和边缘性肿瘤相比,恶性肿瘤的壁结节高度增加,ADC 值降低。有趣的是,所有三组肿瘤都主要表现出中度风险的 TIC 模式,这强调了使用磁共振成像诊断浆液性肿瘤的复杂性。
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Comparison of Benign, Borderline, and Malignant Ovarian Seromucinous Neoplasms on MR Imaging.

Purpose: This study aimed to compare MRI findings among benign, borderline, and malignant ovarian seromucinous neoplasms.

Methods: We retrospectively analyzed MRI data from 24 patients with ovarian seromucinous neoplasms-seven benign, thirteen borderline, and six malignant. The parameters evaluated included age, tumour size, morphology, number, height, apparent diffusion coefficient (ADC) values, T2 ratios, time-intensity curve (TIC) descriptors, and TIC patterns of the mural nodules. Additionally, we examined the T2 and T1 ratios of the cyst contents, tumour markers, and the presence of endometriosis. We used statistical tests, including the Kruskal-Wallis and Fisher-Freeman-Halton exact tests, to compare these parameters among the three aforementioned groups.

Results: The cases showed papillary architecture with internal branching in 57% of benign, 92% of borderline, and 17% of malignant cases. Three or fewer mural nodules were seen in 57% of benign, 8% of borderline, and 17% of malignant cases. Compared to benign and borderline tumours, mural nodules of malignant neoplasms had significantly increased height (P = 0.015 and 0.011, respectively), lower means ADC values (P = 0.003 and 0.035, respectively). The mural nodules in malignant cases also demonstrated significantly lower T2 ratios than those in the benign cases (P = 0.045). Most neoplasms displayed an intermediate-risk TIC pattern, including 80% benign, 83% borderline, and 60% malignant neoplasms, and no significant differences were observed.

Conclusion: Most benign and borderline tumours exhibited a papillary architecture with an internal branching pattern, whereas this feature was less common in malignant neoplasms. Additionally, benign tumours had fewer mural nodules compared to borderline tumours. Malignant neoplasms were characterized by mural nodules with increased height and lower ADC values than those in benign and borderline tumours. Interestingly, all three groups predominantly exhibited an intermediate-risk TIC pattern, emphasizing the complexity of diagnosing seromucinous neoplasms using MRI.

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