RT Journal Article
T1 Valoración de calidad de imagen y dosis en exámenes de tomografía computarizada helicoidal de abdomen y de pelvis en pacientes con linfoma
T2 Evaluation of Image Quality and Dose in Abdominal and Pelvic Helical CT in Patients with Lymphoma
A1 García Castaño, B.
A1 Rodríguez, R.
A1 Calzado, A.
A1 Arenas, A.
A1 Cuevas, A.
A1 Gómez, N.
A1 Turrero, Agustín
A1 Morán, L.M.
A1 Morán, P.
AB Objective: The aim of this study is to evaluate the quality of pelvic and abdominal CT images performed for lymphoma according to the criteria proposed in the European Commission Guidelines on radiation imaging. (En castellano dice: la Guia de la Comisión Europea. Lo que pasa es que hay muchas guias publicadas por la Comisión: aseguranse que sea esta la citada) Material and methods: The criteria were evaluated in a sample of 100 patients attended at five public hospitals in the Autonomous Community of Madrid. All patients underwent single-slice helical CT studies. Fulfillment of the imaging criteria in the selected images was evaluated by five radiologists, one from each center, working independently. The Index of Image Quality (IIQ) was determined for the complete abdominal and pelvic examination. The dose was also measured to estimate the values of the CT Dose Index (CTDIw), Dose by Length Product (DLP), and effective dose (E). Results: A high rate of fulfillment of the criteria was found for individual abdominal images. In the pelvis, the rate of fulfillment was lower, especially for three criteria. The IIQ for each center was between 83%-92%, with variable degrees of internal deviation. The mean values of CTDIw per center were between 16-23 mGy; DLP values were between 430 and 750 mGy cm, and the effective dose was 7-12 mSv. In general, no correlation was found between IIQ and dose per patient, either for the entire sample (r = 0.04) or by centers (r£0.36). Conclusions: The utility of the European Union's Quality Criteria was confirmed. We have elaborated a single list of criteria of image quality and suggest reference dosage levels for abdominal-pelvic CT examinations in patients with lymphoma.
PB Elsevier
SN 0033-8338
YR 2005
FD 2005-10
LK https://hdl.handle.net/20.500.14352/51457
UL https://hdl.handle.net/20.500.14352/51457
DS Docta Complutense
RD 30 abr 2024