Journal of Yeungnam Medical Science

Original article

Urology
Comparison of three different endoscopic approaches in the treatment of bladder calculi: Jae Youn Jang, Young Hwii Ko, Phil Hyun Song, Jae Young Choi; Yeungnam Univ J Med. 2019;36(1):16-19. Published online December 19, 2018; DOI: https://doi.org/10.12701/yujm.2019.00045

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Background
This study compared the following three endoscopic techniques used to treat bladder stones: transurethral cystoscope used with a pneumatic lithoclast or nephroscope used with a pneumatic lithoclast and nephroscope used with an ultrasonic lithoclast.
Methods
Between January 2013 and May 2016, 107 patients with bladder stones underwent endoscopic treatment. Patients were classified into 3 groups based on the endoscopic techniques and energy modalities used in each group as: group 1 (transurethral stone removal using a cystoscope with pneumatic lithoclast), group 2 (transurethral stone removal using a nephroscope with pneumatic lithoclast), and group 3 (transurethral stone removal using a nephroscope with ultrasonic lithoclast). Baseline and perioperative data were retrospectively compared between three groups.
Results
No statistically significant intergroup differences were observed in age, sex ratio, and stone size. A statistically significant intergroup difference was observed in the operation time—group 1: 71.3±46.6 min; group 2: 33.0±13.7 min; and group 3: 24.6±8.0 min. All patients showed complete stone clearance. The number of urethral entries was higher in group 1 than in the other groups. Significant complications did not occur in any patient.
Conclusion
Nephroscopy scores over cystoscopy for the removal of bladder stones with respect to operation time. Ultrasonic lithoclast is a safe and efficacious modality that scores over a pneumatic lithoclast with respect to the operation time.

Citations

Citations to this article as recorded by

Emerging Role of Laser Lithotripsy for Bladder Stones: Real-World Outcomes from Two European Endourology Centers with a Systematic Review of Literature
Clara Cerrato, Maria Florencia Frascheri, Shriya Napoleon Fernandez, Esteban Emiliani, Paola Arena, Amelia Pietropaolo, Bhaskar K. Somani
Journal of Endourology.2025; 39(3): 285. CrossRef
Endoscopic Management of Large Vesical Calculus

Pakistan Journal of Medicine and Dentistry.2025;[Epub] CrossRef
Comparison of nephroscopy and cystoscopy used in the treatment of bladder stones: a systematic review and meta-analysis of randomized controlled trials
Liping Gou, Zhenghao Wang, Ye Zhou, Xiaofeng Zheng
BMC Surgery.2021;[Epub] CrossRef

Case Reports

Gastroenterology and Hepatology
Choledochocele containing a stone mistaken as a distal common bile duct stone.: Tae Young Kwak, Chang Hwan Park, Seok Hyeon Eom, Hong Suk Hwang, Duk Won Chung, Ji Young Seo, Yeong Sung Kim, Dong Hyup Kwak; Yeungnam Univ J Med. 2015;32(1):60-64. Published online June 30, 2015; DOI: https://doi.org/10.12701/yujm.2015.32.1.60

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Abstract PDF: A choledochocele is an expanded sac of the duodenal side of the distal common bile duct (CBD), and is categorized as a type III choledochal cyst. Unlike other choledochal cysts, it can be easily overlooked because of its very low prevalence, non-specific clinical symptoms, and lack of distinctive radiological findings. However, a patient having a repeated pancreaticobiliary disorder with an unknown origin, frequent abdominal pain after cholecystectomy, or repeated non-specific gastrointestinal symptoms can be suspected as having a choledochocele, and a more accurate diagnosis can be achieved via endoscopic retrograde cholangiopancreatography (ERCP) and endoscopic ultrasound. Because it rarely becomes malignant, a choledochocele can be treated via endoscopic sphincterotomy (EST) and surgical treatment. The authors were able to diagnose choledochocele accompanied by a stone in a patient admitted to the authors' hospital due to cholangitis and pancreatitis. The patient's condition was suspected to have been caused by a distal CBD stone detected via multiple detector computed tomography and ERCP, and was successfully treated via EST.

Urology
A Case of Bladder Stone and Vesicovaginal Fistula after McDonald Operation.: Chang Jun Yoon, Ki Hak Moon, Hee Chang Jung; Yeungnam Univ J Med. 2006;23(1):108-112. Published online June 30, 2006; DOI: https://doi.org/10.12701/yujm.2006.23.1.108

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Abstract PDF: The frequency of a bladder foreign body in the female is lower than in the male, and bladder stones attached to foreign bodies such as non-absorbable suture material are not common. Moreover, vesicovaginal fistulas due to migration or puncture of suture materials into the bladder are rare. In this report, we present a case of bladder stone and vesicovaginal fistula formation in a 29-year-old female patient who had been treated with the McDonald operation for an incompetent internal os of the cervix (IIOC) during pregnancy. The patient was successfully treated by cystoscopic removal of the bladder stone with suture material and conservative treatment for the vesicovaginal fistula.

Urology
2 cases of male urethral diverticulum combined with stone.: Hyun Chul Shin, Young Soo Kim, Tong Choon Park; Yeungnam Univ J Med. 1992;9(2):416-421. Published online December 31, 1992; DOI: https://doi.org/10.12701/yujm.1992.9.2.416

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Abstract PDF: Male urethral diverticulum is uncommon lesion, furthermore calculus formation within the male urethral diverticulum is very rare. Generally, urethral diverticula are classified as congenital and acquired. The majority of male urethral diverticula are acquired and approximately 10 to 20 per cent are congenital. Acquired urethral diverticula in the male may arise from many sources, including infection (prostatic abscess, infection of periurethral glands, hematoma or schistosomiasis), obstruction (stricture, impacted stone, Cunningham clamp or condom catheter) and trauma (instrumentation, external injury and pelvic fracture). Calculi formation is more common in the acquired diverticulum owing to stagnation of urine and infection. These calculi in the diverticulum usually are solitary and may attain considerable size with predisposing factors, 1) a ureteral or bladder calculus that is lodged in the urethra 2) urethral trauma or stricture, 3) calcification around a foreign body or hair. The treatment of urethral diverticulum combined with stone is excision of the diverticula with removal of stone. We treated two cases of urethral diverticulum combined with stone in the male, and report with review of literature.

Original Articles

Urology
Anatrophic nephrolithotomy: experience in 55 cases.: Tae Jin Kim, Tong Choon Park; Yeungnam Univ J Med. 1992;9(1):149-155. Published online June 30, 1992; DOI: https://doi.org/10.12701/yujm.1992.9.1.149

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Abstract PDF: 55 consecutive anatrophic nephrolithotomies on 53 patients performed between July, 1983 and June, 1990 were reviewed. The patients (36 male and 19 female) ranged in age from 3 to 72 years. The operation time averaged 219.8 minutes with a range of 120-330 minutes, and the ischemic time ranged between 20 and 90 minutes, with a mean of 43.5 minutes. Postoperative complications developed in 18 patients, which were such as persistent urinary tract infection in 5cases (9.4%), atelectasis in 4 (7.5%), transient urine leak in 2 (3.8%), delayed bleeding in 2 (3.8%) and urinary retention in 2 (3.8%). Postoperative residual stones were identified in 15 (27.3%), but in 8 of these 15patients stones were delivered spontaneously and thus 48 of 55 cases (87.3%) became stone free. The recurrence of stone was noted in 2 out of 48 patients during the short follow up period. Anatrophic nephrolithotomy seems to be an effective method compared to other procedure because of decreasing recurrence of stone by complete stone removal and reconstruction of abnormal collecting system.

Urology
Clinical Experiences of the Ureteroscopic Management for the Lower Ureteral Stone.: Seong Jong Mo, Young Soo Kim, Jun Kyu Suh, Tong Choon Park; Yeungnam Univ J Med. 1990;7(2):97-102. Published online December 31, 1990; DOI: https://doi.org/10.12701/yujm.1990.7.2.97

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Abstract PDF

Ureteroscopic removal of the stone is now popular for the management of the lower ureteral stone. A clinical study was performed on our 75 patients with lower ureteral stone treated with ureteroscopy. Of the 75 stone manipulations 62 (83%) were immediately successful and the final success rate including spontaneous delivery of stone or fragment after the procedure was 87 percents (65 cases). Of 57 smaller calculi than 1 cm (radiographic largest diameter) 50 (88%) were removed successfully. Mean duration of postoperative hospitalization was 5.6 days. There were no interrelations between the success rate and anesthetic methods. Significant complications during or after procedure were not identified. We conclude that ureteroscopic removal of stones under direct vision can be done safely and be the first choice of procedure for the lower ureteral stones.

Citations

Citations to this article as recorded by

A Clinical Case Report of Severe Hematuria Patient after Ureterolith Lithotripsy
Sang Hyun Lee, Ju Yong Jeong, Myoung Rae Cho
Korean Journal of Acupuncture.2015; 32(3): 144. CrossRef

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