Significant rate of lower urinary tract dysfunction in patients with sacrococcygeal teratomas
Journal of Pediatric Urology(2020)
Abstract
BackgroundSacrococcygeal teratoma (SCT) is the most commonly occurring presacral tumor and can affect the lower urinary tract by direct mass effect, or as a sequela from surgical resection. Despite the potential impact on urologic function, there is no current standard for urological involvement or follow-up for these patients. The purpose of this study was to evaluate the need for urologic involvement for lower urinary tract dysfunction (LUTD) in patients with SCTs at our institution.MethodsWe performed a retrospective chart review of patients diagnosed with SCT and managed at our institution between 1990 and 2019. Data collected included: patient demographics, surgical and pathology reports, presence of tethered cord or anorectal malformation, and need for urologic involvement for LUTD. LUTD included acute urinary retention, need for chronic intermittent catheterization, and/or urinary incontinence. Acute urinary retention was defined as requiring catheterization to empty the bladder for a limited time (outside the standard post-operative indwelling catheter time period) and the eventual return to spontaneous voiding. Chronic intermittent catheterization was defined as those with urinary retention that has persisted and required continued catheterization at the time of chart review. Urinary incontinence was defined as urine leakage in children older than 3 years of age. Patients with unavailable records were excluded. Comparison between groups was performed with Mann Whitney and chi-squared tests.ResultsForty-five patients with SCTs were identified. LUTD was identified in 23 patients (51%). The most common reason for LUTD was urinary retention (n = 16, 70%): 9 patients had acute retention and 7 had chronic retention (Fig. 1). Nine patients (39%) had urinary incontinence: 2 of these patients (4% of all SCT patients) had urinary fistulas (vesicovaginal (n = 1) and urethrovaginal (n = 1)). Only 5 patients (22%) had LUTD recognized preoperatively. Nine patients had concomitant tethered cord, and 7 of these (78%) had LUTD. Of patients with LUTD, Altman type IV was the most common location (n = 10, 43%). There was no significant difference in tumor type between those with and without LUTD. Patients without LUTD had significantly shorter follow-up.ConclusionsGreater than 50% of patients with SCTs have known LUTD. Two of these patients were found to have urinary fistulas requiring urinary diversion. A multi-disciplinary team including urology should be involved upfront in the management of patients with SCTs, and LUTD should be routinely assessed at follow-up visits. Evaluation for a urinary fistula should occur in the presence of urinary incontinence.[GRAPHICS].
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Key words
Sacrococcygeal teratoma,Urinary incontinence,Urinary retention,Neurogenic bladder
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