直径大于2.0厘米的成人纵隔淋巴结结核CT增强表现

中国防痨杂志 ›› 2007, Vol. 29 ›› Issue (1): 31-33.

直径大于2.0厘米的成人纵隔淋巴结结核CT增强表现

戴金武¹；周新华²；

1.广东省佛山市顺德区慢性病防治中心佛山 528300；2.北京结核病胸部肿瘤研究所北京 101149；

出版日期:2007-01-10 发布日期:2007-11-03

Mediastinal tuberculous lymphadenitis in adults with diameters more than 2.0 cm:contrast-enhanced CT features

Dai Jinwu¹, Zhou Xinhua.

1.Shunde Chronic Dieases Prevetion and Cure Center, Foshan , 528300, China

Online:2007-01-10 Published:2007-11-03

摘要/Abstract

摘要： 目的评价直径≥2．0 cm的成人纵隔淋巴结结核CT增强表现。方法对21例经过手术、纵隔镜、穿刺活检证实的直径≥2．0 cm的纵隔淋巴结结核患者共76个淋巴结进行影像学分析,其中男13例,女8例,年龄16～60岁,中位年龄28岁。所有病例均做CT增强扫描。结果根据病灶强化形态学特征分为5种强化类型:(1)不均匀强化27个(35．5％);(2)环形强化共有23(30．3％);(3)均匀强化15个(19．7％);(4)无明显强化6个(7．9％);(5)分隔样强化5个(6．6％)。21例纵隔淋巴结结核中12例(57．1％)淋巴结强化以2种或2种以上类型联合存在。其余9例(42．9％)是以单一强化类型表现。结论直径≥2．0 cm的淋巴结结核依次以不均匀强化、环形强化、均匀强化和无强化为主要表现。当淋巴结环形强化、分隔样强化时应首先考虑为淋巴结结核。

关键词: 纵隔, 结核,淋巴结, 体层摄影术,X线计算机

Abstract: Objective To evaluate the contrast-enhanced CT features of mediastinal tuberculous lymphadenitis in adults with diameters more than 2.0 cm. Methods Twenty-one patients with 76 lymph nodes diagnosed as mediastinal tuberculous lymphadenitis by operation, mediastinoscopy and biopsy were evaluated on enhanced CT scan, including 13 male and 8 female. The median age of the patients was 28 years old (range from 16～60 years old). Results Five post-contrast patterns of enhancement were found: (1) inhomogeneous enhancement (35.3%);(2) peripheral rim enhancement (30.0%); (3) homogeneous enhancement (19.7%); (4) nonenhancement(7.9% ); (5) separate enhancement (6.6% ). 12 patients (57.1 %) had a combination of enhancement patterns. 9 patients(42.9% )had a single enhancement pattern. Conclusion Contrast-enhanced CT appearance of mediastinal tuberculous lymphadenitis with diameter≥2.0 cm was mainly inhomogeneous enhancement and peripheral rim enhancement. But peripheral rim enhancement or separate enhancement can suggest a diagnosis of tuberculosis.

Key words: Mediastinal, Tuberculosis,lymphnode, Tomography, X-ray computed

戴金武,周新华,. 直径大于2.0厘米的成人纵隔淋巴结结核CT增强表现[J]. 中国防痨杂志, 2007, 29(1): 31-33.

Dai Jinwu¹, Zhou Xinhua.. Mediastinal tuberculous lymphadenitis in adults with diameters more than 2.0 cm:contrast-enhanced CT features[J]. Chinese Journal of Antituberculosis, 2007, 29(1): 31-33.

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