Even with the significantly decreased radiation exposure of the low dose protocol unenhanced helical CT is still an excellent and rapid diagnostic tool for evaluating acute flank pain with lower radiation exposure than excretory urography (HE 1.3 to 2.3 mSv.) at our departments. Only in obese patients with a body mass index of greater than 31 kg./m.2 is conventional unenhanced helical CT with higher radiation exposure recommended to achieve adequate image quality.

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Fluoroscopic placement of self-expanding metal stents in malignant colorectal stenosis is a promising method to avoid emergency surgery.

Core-cut biopsy of solid liver lesions guided by imaging yields good results even under routine conditions as long as all histological reports have been correlated with imaging and clinical informations.

Probst Andreas et al. CT-guided endoscopic recanalization of obstructed rectal anastomosis … Endoscopy 2015; 47: E32-E33 Cases and Techniques Library (CTL) E33 This document was downloaded for personal use only. Unauthorized distribution is strictly prohibited.