Abstract:
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Purpose: The objective of this study was to evaluate the accuracy for determining spleen volume, vascular anatomy, presence of accessory spleens and parenchymal lesions using a multidetector-row spiral CT (MDCT) scanner in patients undergoing laparoscopic splenectomy.
Methods and Materials: 22 patients candidate to splenectomy underwent multi-phasic MDCT. Two observers evaluated spleen volume using two different hand-tracing editing modalities. MDCT angiography was evaluated on a workstation to assess splenic vascular anatomy. Presence and number of both accessory spleens and parenchymal lesions were recorded.
Results: : Mean spleen volume was respectively 1050 mL and 1046 mL for observers A and B, using each slice editing, and 1067 mL and 1068 mL for observers A and B, using distanced editing. There was a significant agreement between the two observers in determining spleen volume using the two hand-traced editing modalities; correlation coefficients were 0,9777 for the first editing modality and 0,9772 for the second. There was no statistically significant difference between the two observers in measuring spleen volume (p < 0.0001), and there was no statistically significant difference between the spleen volume measured by each observer and the weight at surgery (p<0.05). CT angiograms correctly showed in all cases polar arteries, and in one case depicted the presence of the pancreatic magna artery arising from the inferior polar splenic artery. MDCT correctly demonstrated the presence, number and size of all accessory spleens and focal parenchymal lesions.
Conclusion: MDCT volumetric and anatomical evaluation provided accurate and reproducible information that are useful in the preoperative setting of patients candidate for laparoscopic splenectomy.
Questions about this event email: napolia@stanford.edu
Napoli MD, A,
Multidetector-Row Computed Tomography in the Preoperative Evaluation of Laparoscopic Splenectomy. Radiological Society of North America 2003 Scientific Assembly and Annual Meeting, November 30 - December 5, 2003 ,Chicago IL.
http://archive.rsna.org/2003/3108571.html
