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Case Reports
. 2005 Sep-Oct;30(5):644-6.
doi: 10.1007/s00261-004-0294-0. Epub 2005 Mar 4.

Pseudoephedrine and guaifenesin urolithiasis: widening the differential diagnosis of radiolucent calculi on abdominal radiograph

G Y Song  1 , M E Lockhart, J K Smith, J R Burns, P J Kenney
Affiliations
Case Reports

Pseudoephedrine and guaifenesin urolithiasis: widening the differential diagnosis of radiolucent calculi on abdominal radiograph

G Y Song et al. Abdom Imaging. 2005 Sep-Oct.

Abstract

Unenhanced helical computed tomography has played an increasingly important role in the management of urinary tract stones, guiding diagnosis and control of calculus disease. We report computed tomographic and radiographic appearances of a renal calculus composed of pseudoephedrine and guaifenesin in a patient who abused over-the-counter allergy medication.

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