Open Access

EDITORIAL

Leonard G. Gomella
Canadian Journal of Urology, Vol.27, No.5, pp. 10346-10346, 2020
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LETTER

Alvaro Morales
Canadian Journal of Urology, Vol.27, No.5, pp. 10347-10347, 2020
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LEGENDS IN UROLOGY

Linda M. Dairiki Shortliffe
Canadian Journal of Urology, Vol.27, No.5, pp. 10348-10351, 2020
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ARTICLE

E. David Crawford¹, Gerald Andriole², Stephen J. Freedland³, Marc Garnick⁴, Leonard G. Gomella⁵, Jonathan Henderson⁶, Celestia (Tia) Higano⁷, Andrew Karim Kader⁸, Christopher Kane⁹, Thomas E. Keane¹⁰, Phillip J. Koo¹¹, Daniel P. Petrylak¹², Robert E. Reiter¹³, Susan F. Slovin¹⁴, Evan Y. Yu¹⁵
Canadian Journal of Urology, Vol.27, No.5, pp. 10352-10362, 2020
Abstract Introduction: To interpret data and update the traditional categorization of prostate cancer in order to help treating clinicians make more informed decisions. These updates include guidance regarding how to best use next generation imaging (NGI) with the caveat that the new imaging technologies are still a work in progress.
Materials and methods: Literature review.
Results: Critical goals in prostate cancer management include preventing or delaying emergence of distant metastases and progression to castration-resistant disease. Pathways for progression to metastatic castration-resistant prostate cancer (mCRPC) involve transitional states: nonmetastatic castration-resistant prostate cancer (nmCRPC), metastatic hormone-sensitive prostate cancer (mHSPC), and oligometastatic… More >

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ARTICLE

Andrew Stamm, Basil Ferenczi, Christopher Porter, Paul Kozlowski, Ryan Donahue, John Corman
Canadian Journal of Urology, Vol.27, No.5, pp. 10363-10368, 2020
Abstract Introduction: Continence and catheter-related pain following prostatectomy are significant patient concerns, and it is unknown whether catheter size impacts these variables. In this study, patients undergoing prostatectomy were randomized to receive either a 16 French or 20 French catheter to assess the impact of catheter size on postoperative continence and pain.
Materials and methods: Patients were prospectively randomized to receive either a 16 French or a 20 French latex catheter at the completion of prostatectomy. Subjects were asked on postoperative day 7 to report their average catheter-related pain and the amount of opioid medication used. International Prostate… More >

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ARTICLE

Michael E. Rezaee¹, Jenaya L. Goldwag², Briana Goddard³, William Bihrle, III³, Alexei Viazmenski^3,4, Matthew Z. Wilson^2,3, John D. Seigne^1,3
Canadian Journal of Urology, Vol.27, No.5, pp. 10369-10377, 2020
Abstract Introduction: Limited information exists regarding parastomal hernia development in bladder cancer patients. The purpose of this investigation was to describe the natural history of parastomal hernias and identify risk factors for hernia development in patients who undergo cystectomy with ileal conduit urinary diversion.
Materials and methods: A retrospective cohort study was performed of bladder cancer patients who underwent cystectomy with ileal conduit urinary diversion between January 1st, 2009, and July 31st, 2018, at Dartmouth-Hitchcock Medical Center. The primary outcome of interest was the presence of a parastomal hernia as evident on postoperative cross-sectional imaging obtained for disease surveillance.
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ARTICLE

Ali Kasraeian, Miguel Alcantara, Kaitlyn Mola Alcantara, Joseph Anthony Altamirando, Ahmad Kasraeian
Canadian Journal of Urology, Vol.27, No.5, pp. 10378-10381, 2020
Abstract Introduction: To characterize procedure variables and outcome data from men undergoing the Aquablation Therapy of the prostate procedure for lower urinary tract symptoms due to benign prostatic hyperplasia (BPH). We evaluated the safety and efficacy of robotically guided waterjet-based prostate resection in the first study of all-comers in a single-center, commercial setting in the United States.
Materials and methods: The analysis was a retrospective review of prospectively collected data.
Results: Fifty-five men underwent the Aquablation of the prostate between July 2018 and December 2019. Mean prostate volume was 100 cc, and 85% had a prominent, obstructing middle lobe. More >

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ARTICLE

Chirag N. Dave, Taylor P. Kohn, Hiten D. Patel, Ali Arafa, Arthur L. Burnett
Canadian Journal of Urology, Vol.27, No.5, pp. 10382-10387, 2020
Abstract Introduction: Few studies have compared surgical outcomes after 3-piece inflatable penile prosthesis (IPP) surgery in patients exposed to pelvic radiation therapy (RT) compared to a radiation naïve control group.
Materials and methods: A total of 715 consecutive patients underwent 3-piece IPP placement between 2007-2018. There were 101 men exposed to pelvic RT before or after IPP for a variety of malignancies and 153 men met inclusion criteria for the control group, which included men undergoing IPP surgery with a history of radical prostatectomy but no exposure to pelvic RT.
Results: Patients in the RT group had a higher… More >

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ARTICLE

James Trussler, Brendan Browne, Manuel Merino, Daniel Kuftinec, Andrew McCullough
Canadian Journal of Urology, Vol.27, No.5, pp. 10388-10393, 2020
Abstract Introduction: Although the importance of post-vasectomy semen analysis (PVSA) is well known, compliance with this test has historically been low. We sought to compare compliance with PVSA when using a home-based testing kit with traditional office-based microscopy, and to estimate the impact of compliance differences on the risk of undetected vasectomy failure.
Materials and methods: A retrospective review of vasectomies performed by three providers was conducted. Patients were prescribed either traditional office-based PVSA testing (Group 1) or home-based PVSA testing (Group 2). Compliance with PVSA testing was defined as completion of at least one PVSA test. Decision… More >

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ARTICLE

Stefan Jeglinschi^1,2, Mathieu Carlier¹, Louis Denimal¹, Bertrand Guillonneau^3,4, Daniel Chevallier¹, Brannwel Tibi¹, Matthieu Durand¹, Youness Ahallal¹
Canadian Journal of Urology, Vol.27, No.5, pp. 10394-10401, 2020
Abstract Introduction: To describe the feasibility of total intracorporeal urinary diversion during robotic assisted radical cystectomy using indocyanine green (ICG) and the Firefly system of the da Vinci Xi robot and to evaluate the digestive and urinary outcomes of this technique.
Materials and methods: After approval by the Institutional Review Board, we studied all consecutive patients who underwent robotic assisted radical cystectomy (RARC) and intracorporeal urinary derivation (ICUD) with the da Vinci Xi robot using ICG and the Firefly system, in our institution from January 1st, 2018 to September 15th, 2018. Pre, intra and postoperative data were analyzed… More >

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ARTICLE

Tetsuo Fujita, Morihiro Nishi, Daisuke Ishii, Kazumasa Matsumoto, Kazunari Yoshida, Masatsugu Iwamura
Canadian Journal of Urology, Vol.27, No.5, pp. 10402-10406, 2020
Abstract Introduction: To explore postoperative operation-side renal functional outcome after laparoscopic partial nephrectomy (LPN) using dynamic renal scintigraphy.
Materials and methods: Between July 2006 and December 2014, 62 patients with localized renal tumor received ischemic LPN at our institution. Preoperative, 6 months postoperative, and 12 months postoperative split renal functions were evaluated by dynamic renal scintigraphy using radionuclide technetium-99m-mercaptoacetyltriglycine. Postoperative operation-side renal function was calculated. To assess the significant factors affecting postoperative operation-side renal functional decrease, simple regression and multiple regression analyses were carried out.
Results: Postoperative operation-side renal functions were significantly decreased to 86.6% at 6 months and… More >

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RESIDENT’S CORNER

Spyridon P. Basourakos¹, Khushabu Kasabwala¹, Robert Silich², Juan Miguel Mosquera^3,4, Benjamin Choi¹
Canadian Journal of Urology, Vol.27, No.5, pp. 10407-10410, 2020
Abstract Urachal anomalies are rare in the adult population and when diagnosed, are typically malignant. Herein, we report a case of a 61-year-old male who underwent an excision of a urachal mass for a presumed malignancy. Pathologic evaluation demonstrated a neurofibroma. Neurofibromas are benign peripheral nerve sheath tumors that mostly appear as localized skin tumors and rarely involve the genitourinary system. Neoplastic transformation of neurofibromas is rare but not unheard. To our knowledge, this is the first description of a neurofibroma originating from the urachus. More >

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RESIDENT’S CORNER

Patrick Houghton, Amanda Myers, Christian Ericson, David D. Thiel, Timothy D. Lyon
Canadian Journal of Urology, Vol.27, No.5, pp. 10411-10414, 2020
Abstract Spontaneous extrusion of a kidney stone is an extremely rare event with few reported cases.We present the unusual case of a 62-year-old female who presented with worsening of fever and fank pain over a 5 day period. Imaging revealed retroperitoneal and abdominal wall abscesses that upon evaluation of prior imaging were attributed to spontaneously extruded kidney stones. Prior reports suggest surgical exploration and extraction is the preferred treatment option for extruded renal calculi. Based on the experience presented here, conservative management may be an attractive frst-line treatment option for patients with extruded renal stones and More >

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RESIDENT’S CORNER

Venkat M. Ramakrishnan¹, Manuel Ozambela, Jr.¹, Nicholas M. G. Baniak², Michelle S. Hirsch², Martin N. Kathrins¹
Canadian Journal of Urology, Vol.27, No.5, pp. 10415-10417, 2020
Abstract Metastases of advanced gastrointestinal malignancy to the bladder is a rare phenomenon. Few such cases have been reported. Here, we describe the case of a man with recurrent local gastroesophageal adenocarcinoma who presented with acute kidney injury and bilateral ureteral obstruction ultimately found to have de novo metastatic esophageal disease in the urinary bladder. More >

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HOW I DO IT

Paul H. Chung, Joon Yau Leong, Seth Teplitsky, Patrick J. Shenot, Akhil K. Das, Leonard G. Gomella
Canadian Journal of Urology, Vol.27, No.5, pp. 10418-10423, 2020
Abstract Infection of artificial urinary sphincters or inflatable penile prostheses is one of the most devastating complications after prosthetic surgery and can have a significant impact on a quality of life. Patients undergoing revision surgery with or without device replacement may have increased risk for infection when compared to initial primary surgery. As such, surgeons may utilize traditional culture results to direct antimicrobial therapy for these patients. Unfortunately, culture results can be inconclusive in up to one-third of the time even in the setting of active device infection. Next-generation sequencing (NGS) of DNA is an emerging More >

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