| 1. | Pneumomediastinum may cause caval obstruction .
纵隔积气可能引起腔静脉梗阻。 |
| 2. | Obstruction may be caused by chronic cicatrization .
梗阻也许是由慢性瘢痕造成的。 |
| 3. | Obstruction of the bile duct is associated with cholangitis .
胆管梗阻能并发胆管炎。 |
| 4. | Bowel may herniate alongside a drain, with resulting obstruction。
肠管可能沿着引流物疝出，导致梗阻。 |
| 5. | Lobar emphysema may result from partial bronchial obstruction .
大叶性肺气肿可由于局部小支气管梗阻所引起。 |
| 6. | Obstruction of the ileum by stone leads to distinct clinical pictures .
回肠胆结石梗阻可引起各种明显的临床征象。 |
| 7. | However, the hypertrophic obstructive type is sufficiently discrete .
但无论如何，肥厚性梗阻型仍具有足够的独立性。 |
| 8. | The conical configuration of the appendix makes obstruction of the lumen unlikely .
阑尾呈圆锥形，不易造成腔内梗阻。 |
| 9. | In the absence of an obstructive lesion of the urinary tract, this illness is self-limited .
若无尿路梗阻，则本病具有自限性。 |
| 10. | Mechanical obstruction may require operation for repair of common bile duct stricture or for gallstones .
机械性梗阻可能需要手术以修复胆总管狭窄或除去胆石。 |
