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消化系统 影像学诊断 北大医院 CT 室 王仁贵 renguiwang@yahoo

消化系统 影像学诊断 北大医院 CT 室 王仁贵 renguiwang@yahoo.com.cn. 讲课内容  消化道怎样看：方法  消化道怎样的：解剖  消化道怎样了：疾病. 一 Imaging Methods  Plain or Conventional X-ray  Gastrointestinal BE  Angiography  CT scan MR imaging Ultrasonography  Scintigraphy. （一） Plain or Conventional X-ray

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消化系统 影像学诊断 北大医院 CT 室 王仁贵 renguiwang@yahoo

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  1. 消化系统 影像学诊断 北大医院 CT 室 王仁贵 renguiwang@yahoo.com.cn

  2. 讲课内容  消化道怎样看：方法  消化道怎样的：解剖  消化道怎样了：疾病

  3. 一 Imaging Methods •  Plain or Conventional X-ray •  Gastrointestinal BE •  Angiography  CT scan • MR imaging • Ultrasonography  Scintigraphy

  4. （一） Plain or Conventional X-ray • Fluoroscopy • Radiography

  5. Positions of Abdominal Plain X-ray • Supine position • Stand Position • Side-lying Position • Handstand Position

  6. Supine Stand Handstand

  7. Side-lying

  8. Gastrointestinal BE by Organs  Esophagus BE  Upper GI BE  Small intetine BE  All Alimentary BE  Colon BE

  9. Esophagus BE

  10. Upper GI BE

  11. Small Intestine BE

  12. All Alimentary or Digestive Tract BE

  13. Colon BE

  14. Gastrointestinal BE by Contrast Medium • Traditional Barium Examination • Mucosal imaging • Filling imaging • Compressing imaging  Double-contrast BE

  15. Filling Mucosal Compressing

  16. Filling Compressing

  17. Filling Compressing

  18. Double BE Gastroscopy

  19. Double BE of Stomach

  20. 二、Normal Anatomy and X-ray • Esophagus • Stomach • Duodenum • Jejunum and Ileum • Colon

  21. Esophagus • 2口 • 3压迹 • 4 狭窄 • 4粘膜线 • 宽 2-3 cm • 长 25 cm

  22. 粘膜像 • 粘膜皱襞 • 粘膜间沟

  23. Stomach • 2弯 • 2门 • 3区 • 4型 • 粘膜皱襞 • 胃小区

  24. 胃粘膜皱襞

  25. Duodenum • 组成：球部、降部、升部 • 球部：锥形、对称、幽门管口 • 粘膜：纵行、羽毛、横行

  26. 十二指肠

  27. Double-BE Filling imaging

  28. Jejunum Ileum • 分组：左上、左下、中腹、右下、盆腔 • 径长：2.5 x 250 cm 2.0 x 350cm • 粘膜：环状羽毛 少浅光滑 • 蠕动： 活跃 缓慢

  29. 肠管

  30. 空肠 回肠

  31. 回肠

  32. 空肠 回肠

  33. Colon • Groups：(Cecum, Ascending, Transverse, Desending, sigmoid, Rectum) • Width and Length：5 x 160 cm • Mucosa：Vertical-Transverse-Oblique • Mucosal Folds：Lune、Colonic Bag

  34. 结肠

  35. 结肠 Colon

  36. （三）Basic Pathologic Changes  Local –Niche, Filling Defect  Cavity –Constriction, Dilatation Mucosa –Derangement, Destruction Wall–Softness, Stiffness Function –Hyper-, Hypo-

  37. Sketch Map

  38. Local – Filling Defect, Niche

  39. Niche

  40. Niche 侧位—切线位 正位

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