Computed tomography appearance of Hem-o-lok clips in patients who have undergone laparoscopic nephrectomy or nephroureterectomy.
2011
Background and Objectives: Hem-o-lok clips are safe and reliable for controlling the renal vasculature. We retrospectively evaluated the CT appearance of Hem-o-lok clips in patients who had undergone laparoscopic radical nephrectomy (LRN) or nephroureterectomy (LRU) as well as their appearance on ex vivo CT scans. Methods: Between January 2006 and December 2006, 19 patients underwent LRN or LRU, and their CT images were reviewed within 5 postoperative months. The Hem-o-lok clips were radiopaque in all of the patients’ CT images, and their radiodensity value was 222 Hounsfield Units (HU). To confirm that Hem-o-lok clips are radiopaque on CT images, an ex vivo CT scan was performed. Results: We confirmed that these clips are radiopaque on CT images and that they have a radiodensity of 223 HU. Conclusion: We conclude that the Hem-o-lok clips are radiopaque on CT images. It is important for urologists and radiologists to be aware of the CT appearance of Hem-o-lok clips when following up patients who have undergone LRN or LRU.
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