Computed Tomography📍 Abdomen更新于 2025-12-15影像科审核
Small Bowel Obstruction
了解 Abdomen Computed Tomography 影像中的 Small Bowel Obstruction，明确其含义与下一步措施。
影像表现
Computed Tomography FindingDilated proximal small bowel loops with a transition point to collapsed distal bowel; possible closed-loop configuration.
临床意义
Can progress to ischemia or perforation; needs rapid surgical or conservative management.
What is Small Bowel Obstruction?
Blockage of intestinal flow, most commonly from adhesions, hernia, or tumor. CT defines level, cause, and ischemia signs.
Imaging Appearance
- Dilated loops ＞2.5–3 cm, air-fluid levels
- Transition point with decompressed distal bowel
- Bowel wall thickening, mesenteric swirl, reduced enhancement suggest ischemia
Clinical Significance
- Strangulation risk increases morbidity
- Guides decision between nonoperative decompression vs surgery
Symptoms
- Cramping abdominal pain, vomiting, distension, obstipation
Diagnosis
- CT abdomen/pelvis with contrast
- Labs: electrolytes for losses from vomiting; monitor potassium and chloride
Treatment
- NPO, NG tube decompression, IV fluids/electrolytes
- Surgery for closed-loop, strangulation, or failed conservative care
Prognosis
- Good if treated early; ischemia worsens outcomes
What Should You Do?
- Seek urgent surgical evaluation.
- Avoid food/drink until cleared.
- Report worsening pain, fever, or no flatus.
Medical Disclaimer: Educational only; follow surgical team guidance.
搭配化验结果解读
当影像出现 Small Bowel Obstruction 时，医生常会查看这些化验：
相关影像术语
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