C. Enteroscopy

 

In clinical practice, balloon enteroscopic exploration of the small bowel is reserved for very specific situations: obtainment of biopsies from the affected zone or the application of endoscopic treatment (management of strictures, extraction of retained endoscopic capsules).

 

Figure 7. Single-balloon enteroscopy. Exploration without mucosal alterations. Movements of the tube and overtube, and balloon insufflation / deflation maneuvers, combining the anterograde / retrograde route or both, make it possible to explore the entire length of the small bowel or reach the zone in which the lesion is located. Exploration is carried out under deep sedation and under visual control (Figure 8).
 

 
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Figure 8.
 

 

Figure 9. One of the most common therapeutic indications in CD is endoscopic stricture dilatation. Short stricture located in the proximal jejunum, amenable to endoscopic dilatation. The introduction of contrast through the stricture allows us to evaluate its extent and angulation – these characteristics in turn contributing to decide the possibilities of endoscopic dilatation.
 

 
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Figure 10.

 
 

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