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目的 探讨结核性腹膜炎的CT表现特点及其病理基础。方法 2 1例经病理和临床证实的结核性腹膜炎病例 ,主要观察( 1)腹水性质及解剖分布 ;( 2 )系膜、网膜、腹膜改变的CT表现形式 ;( 3)淋巴结肿大及其增强情况。结果 ( 1)腹水 18例 ,高密度腹水 15例 ( >2 0HU) ,3例低密度腹水 ( <2 0HU) ,6例为包裹性积液。 ( 2 )系膜改变为增厚、结节状、污秽状 ,共 2 1例。 ( 3)饼状网膜肿块 5例 ,网膜点条状、污秽样改变 8例。 ( 4 )腹膜增厚 15例 (腹膜光滑 13例 ,腹膜结节 2例 )。 ( 5 )淋巴结肿大 9例 ,7例并见环状强化。结论 腹膜、网膜、系膜的改变伴高密度腹水 ,环状强化的肿大淋巴结 ,常可作出结核性腹膜炎的诊断。
Objective To investigate the CT features of tuberculous peritonitis and its pathological basis. Methods Twenty-one cases of pathologically and clinically confirmed tuberculous peritonitis were observed primarily (1) ascites and anatomic distribution; (2) CT manifestations of mesangial, omental and peritoneal changes; (3) lymph node enlargement and Enhance the situation. Results (1) Ascites in 18 cases, high density ascites in 15 cases (> 20HU), 3 cases of low density ascites (<20HU), 6 cases of encapsulated effusion. (2) changes in mesangial thickening, nodular, foul-like, a total of 21 cases. (3) pie-shaped omentum in 5 cases, dot-like omentum, filth-like changes in 8 cases. (4) Peritoneal thickening in 15 cases (smooth peritoneum in 13 cases, 2 cases of peritoneal nodules). (5) 9 cases of lymphadenopathy, 7 cases and see the ring enhancement. Conclusion Peritoneal, omental and mesangial changes with high-density ascites, ring-like enlarged lymph nodes, often make the diagnosis of tuberculous peritonitis.