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首页> 外文期刊>Acta Radiologica >MDCT abnormalities of small- and medium-sized bronchus in active tuberculosis: a new angle on an old disease.
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MDCT abnormalities of small- and medium-sized bronchus in active tuberculosis: a new angle on an old disease.

机译：活动性结核中小支气管的MDCT异常：旧疾病的新视角。

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BACKGROUND: The incidence and findings of tuberculous invasion of the peripheral bronchus have not been fully investigated with MDCT. Purpose To evaluate the prevalence and findings of MDCT abnormalities of small- and medium-sized bronchus (SMB) in active pulmonary tuberculosis (TB). MATERIAL AND METHODS: Using multiplanar reformation, 35 consecutive MDCT scans (follow-up exams available in 14 patients with a mean interval of 8.1 months) were assessed for following abnormalities of SMB: bronchial impaction (BI), wall thickening, dilatation, peribronchial cuff of soft tissue, and bronchocavitary fistula. It was also assessed whether tree-in-buds (TIB) have a tendency to distribute in the territories of diseased SMB, and whether SMB abnormalities are present in patients with relatively mild disease. RESULTS: SMB abnormalities were observed in 23 (65.7%) patients with active TB. The most frequent finding was wall thickening (n = 18, 51.4%), followed by BI (n = 13, 37.1%; zigzag-shaped in four), dilatation (n = 11, 31.4%), amputated appearance of air column (n = 11, 31.4%), peribronchial cuff of soft tissue (n = 10, 28.6%), and bronchocavitary fistula (n =8, 22.9%). TIB (n = 29; absent in two patients with SMB) was mainly within (n = 14) or close to (n = 4) the territory of diseased SMB. Follow-up CT frequently showed improvement of wall thickening (11/12) and persistence of bronchial dilatation (11/13). SMB abnormality was present in all of six patients with mild disease. CONCLUSION: MDCT shows that tuberculous invasion of the peripheral bronchus may be more frequent than previously thought, of which findings include wall thickening, BI, dilatation, amputated appearance of air column, peribronchial cuff of soft tissue and bronchocavitary fistula.
机译：背景：周围支气管结核侵袭的发生率和发现尚未通过MDCT进行全面调查。目的评估活动性肺结核（TB）中小支气管（SMB）的MDCT患病率和发现。材料与方法：采用多平面重建术，对以下SMB异常进行了连续35次MDCT扫描（14名患者的随访检查，平均间隔为8.1个月）：支气管撞击（BI），壁增厚，扩张，支气管周袖软组织和支气管腔瘘。还评估了花in树（TIB）是否倾向于在患病SMB的领土上分布，以及病情较轻的患者是否存在SMB异常。结果：在23例活动性结核患者中观察到SMB异常。最常见的发现是壁增厚（n = 18，51.4％），其次是BI（n = 13，37.1％;锯齿形，四分之一），扩张（n = 11，31.4％），气柱截肢（ n = 11，占31.4％），软组织的支气管周囊（n = 10，占28.6％），支气管腔瘘（n = 8，占22.9％）。 TIB（n = 29;两名SMB患者中不存在）主要在患病SMB范围内（n = 14）或接近（n = 4）。随访CT经常显示壁增厚（11/12）和支气管扩张持续（11/13）。六例轻度疾病患者均存在SMB异常。结论：MDCT显示，周围支气管结核的侵袭可能比以前认为的更为频繁，其发现包括壁增厚，BI，扩张，气柱截肢，软组织的支气管周袖和支气管腔瘘。

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