Pediatric Urology Case Reports Issn 2148-2969

Pediatric Urology Case Reports Issn 2148-2969

Pediatr Urol Case Rep 2018; 5(5):141-145 DOI: 10.14534/j-pucr.2018542547 PEDIATRIC UROLOGY CASE REPORTS ISSN 2148-2969 http://www.pediatricurologycasereports.com Multiple calculi in a single-system orthotopic ureterocele in a two-year-old boy presenting with hematuria: A case report Hulya Ozturk1, Mervan Bektas2, Ozgur Mehmet Yis3 Pediatric Surgery1, Pediatrics2 and Biochemistry3 Bolu Abant Izzet Baysal University, School of Medicine, Bolu, Turkey ABSTRACT Ureterocele is the dilatation of the submucosal ureter as a result of a defect in the Chwalla membrane absorption. The many types and clinical presentations of ureters present a significant challenge to clinicians. Although stone formation in the ureterocele is common in adults, it is much less common in pediatric patients. Here, we present a case report of a two-year-old boy with single-system ureteroceles containing multiple small stones. Key Words: Ureterocele; multiple calculi: hematuria: children. Copyright © 2018 pediatricurologycasereports.com Corresponding Author: Dr. Hulya Ozturk renal scarring [1-4]. Additionally, there is Department of Pediatric Surgery, Bolu Abant Izzet variability in the types and clinical features of Baysal University, School of Medicine, Bolu, Turkey ureteroceles, which makes their diagnosis and E mail: [email protected] ORCID ID: https://orcid.org/0000-0001-9277-9119 treatment difficult [5]. Calculi formation in the Accepted for publication: 20 August 2018 ureterocele is a condition infrequently encountered in the pediatric population [3]. Introduction Here, we present a two-year-old male patient A ureterocele is a congenital cystic dilatation who was diagnosed intraoperatively with of the lower part of the ureter that can be multiple stones in the left ureterocele, and we intravesical (orthotopic) or extravesical discuss the diagnosis and treatment process of (ectopic) [1,2]. This pathologic condition is this rare entity. often found with other anomalies, such as a stenotic ureter orifice or a duplex urinary Case report system. It occurs in 1/500 to 1/4000 newborns A two-year-old male patient was admitted to and is found more frequently in females than our clinic with gross hematuria and abdominal in males [1-3]. Ureterocele can lead to pain. He had been experiencing intermittent complications such as obstruction, reflux, hematuria and abdominal pain during the prior incontinence, and urinary tract infections, and, two weeks. The physical examination and as a result, various effects can occur, from laboratory tests reported normal results except upper pole destruction in duplex systems to for the presence of hematuria. A plain Ozturk et al. / Pediatr Urol Case Rep 2018;5(5):141-145 142 abdominal X-ray showed irregular radiopaque an irregular surface. After reaching the bladder shadows in the area of the bladder and other with a Pfannenstiel incision, the ureterocele radiopaque stones in the right and left kidneys was opened by surgical incision, and [Fig. 1]. approximately 20 pieces of stone were removed [Figs. 2, 3]. Fig. 2. Ureterocele appearance in bladder. Fig. 1. Plain abdominal radiograph showing radiopaque stones in the both kidneys and pelvis. Urinary tract ultrasonography demonstrated a 19mm echoic area with an acoustic shadow in the bladder. In addition, more than one stone in the right and left kidneys were observed. No other pathology was observed in the kidneys. Under general anesthesia, the patient was first placed in the lithotomy position, a 9F cystoscope was inserted into the bladder, the right ureteral orifice was identified, and a large Fig. 3. Removed multiple stones from the intravesical ureterocele was detected in the left ureterocele. ureteric location. No stones were detected in the bladder. As the left ureteral orifice could Next, the left ureter underwent the Politano- not be determined, entry into the ureterocele Leadbetter re-implantation technique. with a resectoscope became necessary. Analysis of the stones showed that their However, successful entry could not be composition was calcium oxalate. In addition, achieved because the ureterocele was thick- the patient dropped the left kidney stones by walled, edematous, hyperemic, fragile, and had the urethral route within one month after Ozturk et al. / Pediatr Urol Case Rep 2018;5(5):141-145 143 surgery [Fig. 4]. The patient is undergoing or urethral prolapse [7,8]. In ureterocele cases, regular clinical, radiological, and laboratory stone formation occurs for various reasons, follow-up for six months, and his general such as urinary stasis, obstruction, ureteral health status is good. atony, urinary tract infection, or family history. Patients may remain asymptomatic or may present with evidence of hematuria or obstruction [9-11]. Typically, 50–70% of patients with ureteroceles can be diagnosed by ultrasonography and intravenous pyelogram [1-11]. The presence of ureterocele wall thickening, irregularity, and edema may have precluded our radiologist’s diagnosis of this condition on ultrasound. In addition, the inability to detect more than one stone in the ureterocele can be attributed to the inexperience of the radiologist. In adults, primary treatment of ureterocele begins with minimally invasive methods. These procedures usually include transurethral incision of the ureterocele and extraction of the Fig. 4. Plain abdominal radiograph taken after calculus [11,12]. This minimally invasive surgery. technique is easy to perform, comfortable, and Discussion superior to endoscopic resection and open Although the pathogenesis of this surgery, but its use should be discussed in developmental anomaly is unknown, it has pediatric patients, especially if there is related been suggested that failure in the regression of vesicoureteral reflux (VUR) [13]. Excision of the Chwalla membrane is a consequence [6]. the ureterocele with open or endoscopic Stenotic orifice ureteroceles, rather than surgery presents minimal risks for iatrogenic duplex ureters, are the most common type in vesicoureteral reflux and other surgical the single ureter system. Additionally, single complications. Upper-pole heminephrectomy system and intravesical ureteroceles are almost and partial upper ureterectomy are alternative exclusively found in adults. The incidence of treatments in pediatric patients [14]. stones in ureteroceles has been reported as In our case, the ureterocele was diagnosed approximately 4–39%. The rate is generally intraoperatively during endoscopic lower in children [3,7]. examination and was complicated by multiple The clinical presentation of ureteroceles in the stones. The left ureteral orifice could not be pediatric age group usually consists of determined. Additionally, successful entry into recurrent urinary tract infections or urosepsis, the ureterocele with a resectoscope was not renal scarring in the duplex system, possible because the ureterocele was thick- incontinence, failure to thrive, urinary tract walled, edematous, hyperemic, irregular, and calculus, bladder outlet obstruction, or vaginal fragile. The ureterocele was opened with a Ozturk et al. / Pediatr Urol Case Rep 2018;5(5):141-145 144 surgical incision, and approximately 20 pieces ureteroceles with bilateral stones in an of stone were removed. Later, the left ureter adult: a case report and review of literature. was re-implanted using the Politano- Urol J. 2010;7(3):209-11. Leadbetter technique to prevent the [4] Chtourou M, Sallami S, Rekik H, Binous development of a potential VUR. MY, Kbaier I, Horchani A. Ureterocele in Additionally, out patient’s follow-ups have adults complicated with calculi: diagnostic shown no reflux or urinary system infection. and therapeutic features. Report of 20 cases. As demonstrated by this case, ureteroceles Prog Urol. 2002;12(6):1213-20. represent challenges in terms of diagnosis and [5] Atta ON, Alhawari HH, Murshidi MM, treatment due to the diversity of clinical Tarawneh E, Murshidi MM. An adult presentations and types. Thus, treatment ureterocele complicated by a large stone: A should be individualized for each case and for case report. Int J Surg Case Rep. the current pathology. As in our case, 2018;44:166-71. hematuria may be the first presentation of [6] Weiss JP. Embryogenesis of ureteral urolithiasis and ureterocele in children. In anomalies: a unifying theory. Aust N Z J addition, the possibility of stones in the Surg. 1988;58(8):631-38. ureterocele should be considered in cases with [7] Çalışkan S. Cobra-Head Stone in Single- bladder stone diagnosis. Ureteroceles System Ureterocele. Iran J Med Sci. 2017 complicated with stones can be managed ;42(2):221-22. efficiently by endoscopic resection or open [8] Murshidi MS. Orthotopic and ectopic surgery if necessary, but they require long- ureteroceles in children. Int Urol Nephrol. term follow-up. 1990;22(1):45-56. [9] Schlussel RN, Retik AB. Ectopic ureter, Compliance with ethical statements ureterocele, and other anomalies of the Conflicts of Interest: None. ureter. In: Wein AJ, Kavousi LR, Novick Financial disclosure: None. AC, Partin A, Peters CA (eds) Consent: All photos were taken with parental CampbellWalsh urology, 9th ed. W. B. consent. Saunders, Philadelphia, 2007:3398. [10] Singh I. Adult bilateral non-obstructing References orthotopic ureteroceles with multiple [1] Sander JC, Bilgutay AN, Stanasel I, Koh calculi: endoscopic management with CJ, Janzen N, Gonzales ET, Roth DR, Seth review of literature. Int Urol Nephrol. A. Outcomes of endoscopic incision for the 2007;39(1):71-74. treatment of ureterocele

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