Cobras in the bladder? Kidney International

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Cobras in the bladder? Kidney International K.-L. Liu, W.-J. Lee, C.-C. Chang, S.-C. Chueh, S.-J. Chen  Kidney International  Volume 72, Issue 12, (December 2007) DOI: 10.1038/sj.ki.5002502 Copyright © 2007 International Society of Nephrology Terms and Conditions

Figure 1 Typical imaging features of ‘cobra head’ in the intravenous urography. Supine abdominal radiograph of intravenous urography about 15 min after contrast medium injection shows right hydronephrosis and hydroureter. There bilateral contrast medium-filled cystic lesions with halo rims are noted in the urinary bladder, resembling ‘cobra heads.’ Kidney International 2007 72, DOI: (10.1038/sj.ki.5002502) Copyright © 2007 International Society of Nephrology Terms and Conditions

Figure 2 Computed tomography scan for excluding the pseudo-ureteroceles. Subsequent immediate computed tomography scan without additional contrast medium administration in supine and prone positions shows the bilateral ureteroceles and no evidence of pseudo-ureteroceles. The less densely opacified right side is owing to right hydronephrosis and delayed renal functioning. Kidney International 2007 72, DOI: (10.1038/sj.ki.5002502) Copyright © 2007 International Society of Nephrology Terms and Conditions

Figure 3 Computer tomography scan for excluding the pseudo-ureteroceles. Subsequent immediate computed tomography scan without additional contrast medium administration in supine and prone positions shows the bilateral ureteroceles and no evidence of pseudo-ureteroceles. The less densely opacified right side is owing to right hydronephrosis and delayed renal functioning. Kidney International 2007 72, DOI: (10.1038/sj.ki.5002502) Copyright © 2007 International Society of Nephrology Terms and Conditions