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逆行注水入结肠后,直肠-乙状结肠交界处至盲肠末端的全部结肠腔、结肠壁和环绕结肠的结缔组织均可在经腹声象图上显示。与内镜超声表现一致,可见结肠壁5层不同结构的回声,依次为粘膜层、粘膜下层、肌层、浆膜和浆膜下脂肪组织。为评价结肠Crohns 病的超声诊断效果,作者对Cro-hn′s 病结肠和正常结肠各4例分别作经腹和切除标本超声检查对照。采用MHz 探头。标本经19%甲醛溶液固定后放入水盆中。作者见到,正常结肠壁厚4mm 与不同的5层回声象。在Crohn′s 病轻微的肠段,肠壁不增厚,5层结构仍可见。而肉眼变
After retrograde injection of water into the colon, the entire colon lumen from the junction of the recto-sigmoid junction to the end of the cecum, the colon wall, and the connective tissue surrounding the colon can all be displayed on the transthoracic image. Consistent with the performance of endoscopic ultrasonography, echoes of the 5 layers of the colon wall were observed, followed by mucosa, submucosa, muscularis, serosa and subserosa adipose tissue. To evaluate the diagnostic efficacy of Crohns disease in the colon, the authors performed an ultrasonographic examination of four cases of Cro-hn’s disease colon and four cases of normal colon respectively. Uses a MHz probe. The specimen was fixed in a 19% formaldehyde solution and placed in a water basin. The authors saw a normal colon wall thickness of 4 mm and a different 5-layer echo image. In Crohn’s mild intestinal segment, the intestinal wall is not thickened, and the 5-layer structure is still visible. The naked eye changes