Low-dose unenhanced computed tomography for diagnosing stone disease in obese patients

Objective: To evaluate the detectability, size, location and density of urinary stones with unenhanced computed tomography (CT), using the half-radiation (low) dose (LDCT) technique, compared with the standard-dose CT (SDCT), in obese patients. Patients and methods: The study included 50 patients wi...

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Bibliographic Details
Published in:Arab Journal of Urology: Stones / Endurology 2012-09, Vol.10 (3), p.279-283
Main Authors: Abou El-Ghar, Mohamed E., Shokeir, Ahmed A., Refaie, Huda F., El-Nahas, Ahmed R.
Format: Article
Language:English
Subjects:
BMI
body mass index
LDCT
Low dose
low-dose CT
Multi-detector CT
Obesity
Original
Radiation
SDCT
standard-dose CT
Stones
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Summary:Objective: To evaluate the detectability, size, location and density of urinary stones with unenhanced computed tomography (CT), using the half-radiation (low) dose (LDCT) technique, compared with the standard-dose CT (SDCT), in obese patients. Patients and methods: The study included 50 patients with a body mass index of >30 kg/m 2 and bilateral renal stones diagnosed with SDCT, and managed on one side. All the patients had LDCT during the follow-up and SDCT was used as a reference for comparison. Results: Of the 50 patients, the right side was affected in 27 and the left side in 23. In all, 35 patients had a single stone while the remaining 15 had multiple stones. With SDCT, 95 stones were detected; there were 45 of â©˝5 mm, 46 of 6-15 mm and only four of >15 mm. LDCT barely detected three stones of
ISSN:2090-598X
2090-598X
2090-5998
DOI:10.1016/j.aju.2012.02.007