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IMAGES IN NEPHROLOGY
Year : 2016  |  Volume : 26  |  Issue : 1  |  Page : 59-60
 

Bladder diverticula


Division of Pulmonary and Critical Care, Mayo Clinic, Rochester, MN, USA

Date of Web Publication30-Dec-2015

Correspondence Address:
P K Guru
Division of Pulmonary and Critical Care, Mayo Clinic, Rochester, MN
USA
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0971-4065.155729

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How to cite this article:
Guru P K, Reddy D R, Daniels C E. Bladder diverticula. Indian J Nephrol 2016;26:59-60

How to cite this URL:
Guru P K, Reddy D R, Daniels C E. Bladder diverticula. Indian J Nephrol [serial online] 2016 [cited 2019 Dec 10];26:59-60. Available from: http://www.indianjnephrol.org/text.asp?2016/26/1/59/155729


A 63-year-old Caucasian male, diabetic for 1 year presented with a week long history of feeling unwell. He never had urinary problems in the past. Examination was notable for a palpable lower abdominal cystic mass. Investigation showed elevated BUN 62 mg/dl and creatinine 2.9 mg/dl. Contrast-enhanced computed tomography showed bilateral hydroureteronephrosis [Figure 1], marked distention of the bladder [Figure 2], solid arrow] and posteriorly located diverticulum [Figure 2], open arrow], with diverticular mouth in the center (double arrow). Catheterization resulted in 5 L of urine in first 6 h and resolution of renal failure (creatinine 1.7 mg/dl). In-hospital management also included intravenous followed by oral antibiotics for Escherichia coli bacteremia and urinary infection. Follow-up ultrasonography [Figure 3] and urodynamic studies showed noncontractile trigone with postero-laterally located diverticula. Intermittent self- catheterization was advised to prevent further obstruction with a plan for surgery.
Figure 1: Vertical section of the computed tomography abdomen and pelvis showing the distended bladder (solid arrow head), with diverticula (open arrow), diverticular mouth (double arrow) and right kidney hydronephrosis

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Figure 2: Coronal section of the computed tomography abdomen and pelvis showing the distended bladder (solid arrow) with diverticulum (open arrow). Double arrow points to the diverticular mouth

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Figure 3: Ultrasonography of bladder showing left side bladder (arrow) and posterolateral diverticula. Diverticular mouth is marked by double arrow

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Primary bladder diverticula are congenital, smooth walled, solitary in nature and rarely diagnosed in adults.[1] Symptoms of associated vesico-ureteric reflux, infection, hematuria, abdominal pain and mass are present in childhood. Acquired or secondary form of diverticula seen in adults are usually multiple, with trabeculated bladder wall, and secondary to either both benign and malignant outflow obstruction or neurogenic bladders.[2] Differential diagnosis includes midline cyst due to incomplete obliteration of Urachus and Müllerian duct, bladder neck obstruction related to posterior urethral diverticulum, prostatic retention cyst, ejaculatory and vas deferens cyst. Diagnosis relies on radiologic and endoscopic findings.[3] Most diverticula are asymptomatic and small, but symptomatic (infection, rupture, reflux, stone or tumor) and large diverticula requires diverticulectomy either by open, laparoscopic or transurethral methods.[3],[4]

 
  References Top

1.
Shah KJ. Bladder diverticulum: An uncommon cause of acute retention of urine in a male child. Br J Radiol 1979;52:504-6.  Back to cited text no. 1
    
2.
Kwan DJ, Lowe FC. Congenital bladder diverticulum: An unusual presentation with abdominal mass, urinary retention, and renal failure in a young adult. Urol Radiol 1992;14:194-6.  Back to cited text no. 2
    
3.
Pace AM, Powell C. Congenital vesical diverticulum in a 38-year-old female. Int Urol Nephrol 2005;37:473-5.  Back to cited text no. 3
    
4.
Doehn C, Baumgärtel M, Fornara P, Jocham D. The largest bladder diverticulum ever? J Urol 1999;162:793-4.  Back to cited text no. 4
    


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  [Figure 1], [Figure 2], [Figure 3]



 

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Indian Journal of Nephrology
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Online since 20th Sept '07