TY - JOUR
T1 - Transvaginal sonography in the assessment of distal ureteral calculi
AU - Yang, Jenn-Ming
AU - Yang, Shwu-Huey
AU - Huang, Wen-Chen
PY - 2005/11
Y1 - 2005/11
N2 - Objectives: To explore the morphological and functional findings of transvaginal sonography (TVS) in the diagnosis and management of distal ureteral calculi. Methods: We retrospectively reviewed the imaging studies in seven cases of distal ureteral calculi (study group) and 20 cases of female volunteers without urinary tract infection (control group). All 27 patients had undergone TVS for assessment of the lower urinary tract. The variables measured on ultrasound included the presence or absence of distal ureteral calculi, the size and location of a calculus if present, the presence or absence of the ureter jet phenomenon, morphological changes of the ureteral papilla and adjoining tissue, and the height of the ureteral papilla, as well as vascular changes seen on Doppler imaging. Results: In the controls, 80% of the ureteral papillae were triangular and 20% trapezoidal. The average (± SD) height of the ureteral papillae was 3.5 ± 0.7 mm on the right and 3.6 ± 0.9 mm on the left. There was no statistically significant difference between the heights of the right and left papillae (P = 0.619). In the study group, echogenic stones were identified in all seven patients and a hypoechogenic tubular structure connected to the involved papilla was identified in 6/7 patients. The average height of the involved papilla was 6.7 ± 1.6 mm. Ureteric jets were visible in all patients in both the study and control groups. Conclusion: In patients with distal ureteral calculi, TVS provides a rapid, non-invasive and repeatable means of assessing the morphology and function of the distal ureter.
AB - Objectives: To explore the morphological and functional findings of transvaginal sonography (TVS) in the diagnosis and management of distal ureteral calculi. Methods: We retrospectively reviewed the imaging studies in seven cases of distal ureteral calculi (study group) and 20 cases of female volunteers without urinary tract infection (control group). All 27 patients had undergone TVS for assessment of the lower urinary tract. The variables measured on ultrasound included the presence or absence of distal ureteral calculi, the size and location of a calculus if present, the presence or absence of the ureter jet phenomenon, morphological changes of the ureteral papilla and adjoining tissue, and the height of the ureteral papilla, as well as vascular changes seen on Doppler imaging. Results: In the controls, 80% of the ureteral papillae were triangular and 20% trapezoidal. The average (± SD) height of the ureteral papillae was 3.5 ± 0.7 mm on the right and 3.6 ± 0.9 mm on the left. There was no statistically significant difference between the heights of the right and left papillae (P = 0.619). In the study group, echogenic stones were identified in all seven patients and a hypoechogenic tubular structure connected to the involved papilla was identified in 6/7 patients. The average height of the involved papilla was 6.7 ± 1.6 mm. Ureteric jets were visible in all patients in both the study and control groups. Conclusion: In patients with distal ureteral calculi, TVS provides a rapid, non-invasive and repeatable means of assessing the morphology and function of the distal ureter.
KW - Distal ureteral calculi
KW - Doppler flow imaging
KW - Ureter
KW - Ureter jet phenomenon
KW - Ureter papilla
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U2 - 10.1002/uog.2610
DO - 10.1002/uog.2610
M3 - Article
C2 - 16254910
AN - SCOPUS:28144461831
SN - 0960-7692
VL - 26
SP - 658
EP - 662
JO - Ultrasound in Obstetrics and Gynecology
JF - Ultrasound in Obstetrics and Gynecology
IS - 6
ER -