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Utility of trans-vaginal ultrasound in diagnosis and follow-up of non-pregnant sexually active females with lower ureteric calculi |
Siddharth Pandeya,*(),Tanica Pandeyb,Apul Goela,Ajay Aggarwala,Deepanshu Sharmaa,Tushar Pandeyc,Satya sankhwara,Gaurav Garga
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a Department of Urology, King George's Medical University, Lucknow, India b Department of Radiology, Raghav Pathlabs and Imaging, Haldwani, India c Department of Pathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India |
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Abstract Objective: To assess the utility of trans-vaginal ultrasonography in evaluation of non-pregnant sexually active female patients with lower ureteric calculi. Methods: A prospective study was done from January 2015 to December 2017 including non-pregnant sexually active females with suspected ureteric calculus. Trans-abdominal ultrasound was initially done in all patients. In those patients in whom trans-abdominal ultrasound was inconclusive or there was indirect evidence of lower ureteric calculus in form of ureteral dilation but no calculus was evident, trans-vaginal ultrasound was done. The patients with ureteric calculi detected on trans-vaginal ultrasound and kept on conservative management were also followed up with trans-vaginal ultrasound. Non-contrast computed tomography was done in patients with inconclusive trans-vaginal ultrasound. Results: As per the study protocol, 156 out of the total 468 patients evaluated by trans-abdominal ultrasound were eligible for trans-vaginal ultrasound. Trans-vaginal ultrasound was done in 149 patients, as seven patients did not give consent. Seventy-nine patients were detected with a lower ureteric calculus on trans-vaginal ultrasound and 27 patients had gynecologic or other cause for their symptoms. Forty-three patients had an inconclusive trans-vaginal ultrasound of which 36 underwent non-contrast computed tomography, among them only one patient had a lower ureteric calculus. Stone free status could be easily demonstrated on follow-up trans-vaginal ultrasound. Conclusion: Trans-vaginal ultrasound in addition to trans-abdominal ultrasound is a very useful tool in evaluation of sexually active females with suspected lower ureteric calculus.
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Received: 10 July 2018
Available online: 02 January 2019
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Corresponding Authors:
Siddharth Pandey
E-mail: sid1420@gmail.com
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Parameter | Value | Total patients (n=468) | Age (mean±SD, year) | 34.2±9.9 | BMI (mean±SD, kg/m2) | 23.9±4.8 | Diagnosis on TAS (n=468), n (%) | Renal stone | 154 (32.9) | Ureteric stone | 45 (9.6) | Ureteric stone with renal | 18 (3.8) | Appendicitis | 38 (8.1) | Gynecologic cause | 94 (20.1) | Others | 14 (3.0) | Inconclusive TAS | 123 (26.3) | Did not consent for TVS (n=156), n (%) | 7 (4.5) | Consented for TVS (n=149) | Age (mean±SD, year) | 34.1±9.5 | BMI (mean±SD, kg/m2) | 24.8±5.8 | Diagnosis on TVS (n=149), n (%) | Ureteric calculus | 79 (53.1) | Gynecologic cause | 21 (14.1) | Others | 6 (4.0) | Inconclusive TVS | 43 (28.8) | NCCT done (n=36), n (%) | Ureteric calculus | 1 (2.7) | Normal | 35 (97.3) |
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Characteristics of patients in the study.
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Flowchart of the patients included in the study. TAS, trans-abdominal ultrasonography; TVS, trans-vaginal ultrasound; NCCT, non-contrast computed tomography.
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The red arrows point the calculi and blue arrows point dilated ureter. (A) A calculus near the UVJ and dilated ureter proximal to it; (B, C) Another calculus distal to dilated ureter; (D, E) Dilated ureter near the iliac vessels with a calculus causing obstruction; (F) Two calculi in a dilated ureter. UVJ, uretero-vesical junction.
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Parameter | Stone size >6 mm (n=52) | Stone size ≤6 mm (n=27) | Mean stone size (mean±SD, mm) | 8.8±1.8 | 4.5±1.0 | Immediate surgical intervention (URS/double-J stent), n (%) | 14 (26.9) | 9 (33.3) | Trial of MET, n (%) | 34 (65.4) | 15 (55.6) | Stone free at 2 weeks | 19 (55.9) | 8 (53.4) | Stone free at 4 weeks | 4 (11.8) | 2 (13.3) | URS after failed MET | 11 (32.3) | 5 (33.3) | Lost to follow up, n (%) | 4 (7.7) | 3 (11.1) |
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Management and follow-up of patients diagnosed with ureteric calculus after TVS.
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