Eric Winquist, Mary J. Mackenzie, George Rodrigues

Canadian Journal of Urology, Vol.15, No.4, pp. 4147-4152, 2008

Abstract Introduction: Given the improved therapeutic efficacy and acceptable side effect profile with current cryotechnology, we wish to better understand the attitudes of community urologists expressing interest in this treatment modality toward the adoption of cryotherapy in their practice.
Methods: A retrospective survey was conducted with information gathered on 50 responding physicians who attended a cryosurgery workshop between February 2004 and September 2006. Specifics such as demographics and professional background, reasons for interest in cryosurgery, and the current status of cryosurgery in the physicians' practice were collected and analyzed using SPSS, version 14 (Chicago, IL).
Results: Of the responding… More >

Jeffrey J. Tomaszewski, Marc C. Smaldone, Ronald M. Benoit

Canadian Journal of Urology, Vol.15, No.6, pp. 4428-4430, 2008

Abstract Peritoneal carcinomatosis, the second most common cause of death among patients with colorectal carcinoma, may be managed with cytoreductive surgery and adjuvant intraoperative peritoneal hyperthermic chemotherapy (IHPC). We present the case of a 35-year-old male with locally recurrent colorectal adenocarcinoma in the inguinal canal and testis following intraperitoneal debulking and IPHC. When communicating with the peritoneal cavity, the inguinal canal may act as an anatomic sanctuary site and allow peritoneal carcinomatosis to escape the effects of intraperitoneal chemotherapy. More >

Michelle L. Ramírez, Christopher P. Evans

Canadian Journal of Urology, Vol.14, Suppl.6, pp. 39-47, 2007

Abstract The incidence of small renal masses (< 4 cm) is increasing due to the widespread use of imaging studies. Many of these incidental lesions may remain asymptomatic or in fact be benign, and recent insight into their natural course has contributed to modifications in management. With improvements in biopsy technique and minimally invasive technologies, appropriate diagnosis and treatment of these masses are further being evaluated. Other contemporary approaches, including surveillance, laparoscopic partial nephrectomy, enucleation, ablative procedures, and high-intensity focused ultrasound, are weighed against open nephron-sparing surgery, the current gold standard for treatment. Here, we review More >

Harry S. Clarke Jr, Matthew R. Eskridge, Ahmed M. El-Zawahry, Thomas E. Keane

Canadian Journal of Urology, Vol.14, Suppl.6, pp. 24-27, 2007

Abstract Purpose: We assessed the efficacy, complications and technical advancements in salvage cryosurgical ablation of the prostate for recurrent prostate cancer after radiation therapy.
Methods: A total of 58 patients were evaluated for salvage cryosurgery using an algorithm of capromab pendetide scan and prostate biopsy from January 2003 to July 2007. Forty-seven patients underwent salvage cryosurgery and biochemical recurrence-free survival and complications were retrospectively reviewed. Mean follow-up was 24 months.
Results: Seventy percent of patients achieved a nadir PSA < 0.5 ng/ml. Overall, 51% of patients achieved a durable PSA response with a pre-salvage serum PSA < 10 predictive More >

Sharon Kim¹, Gerald B. Brock², Claire L. F. Temple¹

Canadian Journal of Urology, Vol.14, No.1, pp. 3467-3470, 2007

Abstract The combination of Mohs micrographic surgery and sentinel lymph node biopsy in the treatment of penile melanoma is novel. Mohs surgery allows the removal of penile malignancies with microscopically controlled tumor-free borders, while maintaining cosmetic and functional demands through the maximal preservation of normal tissue. Sentinel lymph node biopsy minimizes the morbidity associated with inguinal node dissection. At 30 months follow-up, these two modalities together have achieved local control and regional nodal staging while minimizing functional morbidity. More >

Stephanie H. Chen, Vladimir Mouraviev, Janice M. Mayes, Thomas J. Polascik

Canadian Journal of Urology, Vol.14, No.4, pp. 3646-3648, 2007

Abstract Prostatic abscess is a rare and potentially life-threatening disease when left untreated. We report the first case of a man who developed a prostatic abscess as a long-term complication of cryoablation for primary prostate cancer. Timely diagnosis with non-contrast computed tomography (CT) scan, retrograde CT cystogram to ensure no bladder involvement, percutaneous drainage under CT-guidance, and antibiotic treatment sensitive to the causative organism were crucial for prompt recovery. More >

Danny M. Rabah

Canadian Journal of Urology, Vol.14, No.4, pp. 3640-3642, 2007

Abstract The traditional treatment of choice for urachal carcinoma has been either an open radical cystectomy or the more recently accepted extended partial cystectomy and umbilectomy. Recently a laparoscopic technique has been reported. We report for the first time a robot-assisted technique for an extended partial cystectomy with en bloc umbilectomy for the management of urachal carcinoma in a 49-year-old man. More >

Canadian Journal of Urology, Vol.14, No.4, pp. 3616-3620, 2007

Abstract Objective: The current standard of care for radiographically identified enhancing renal lesions is surgical removal. However, some of these lesions prove to be benign and did not truly warrant extirpation. Mass size has been traditionally described as a parameter to predict the malignant potential. We compiled our experience with surgically treated renal masses and correlated lesion size with final pathology.
Materials and methods: We performed a retrospective analysis of extirpative renal surgery and resultant renal mass pathology from 1998-January 2006. Nephrectomies performed for non-malignant disease or transitional cell carcinomas were excluded. Renal tumors were staged by the… More >

Khurshid A. Guru^1,4, Gregory E. Wilding^3,6, Pamela Piacente¹, Jannah Thompson⁴, Wei Deng⁶, Hyung L. Kim^1,4, James Mohler^1,4, Kathleen O’Leary^2,5

Canadian Journal of Urology, Vol.14, No.6, pp. 3753-3756, 2007

Abstract Introduction: To date, no study has compared postoperative pain and requirement for pain medications in open versus robot-assisted radical cystectomy. Patient reported pain and opiate use were reviewed retrospectively using prospectively collected data from postoperative day one to day of discharge.
Materials and methods: Twenty consecutive robot-assisted radical cystectomy patients were compared to the prior 20 patients who underwent open radical cystectomy. Data was collected prospectively to determine opiate requirements and pain scores in each group. Daily opiate use was converted to morphine sulfate equivalents (MSE) to facilitate comparison. A Likert pain perception scale was used to… More >

Dalin Tang^*, Chun Yang^†, Tal Geva^‡,§, Pedro J. del Nido^¶

Molecular & Cellular Biomechanics, Vol.4, No.3, pp. 159-176, 2007, DOI:10.3970/mcb.2007.004.159

Abstract A single-layer isotropic patient-specific right/left ventricle and patch (RV/LV/Patch) combination model with fluid-structure interactions (FSI) was introduced in our previous papers to evaluate and optimize human pulmonary valve replacement/insertion (PVR) surgical procedure and patch design. In this paper, an active anisotropic model with two-layer structure for ventricle wall and tissue fiber orientation was introduced to improve previous isotropic model for more accurate assessment of RV function and potential application in PVR surgery and patch design. A material-stiffening approach was used to model active heart contraction. The computational models were used to conduct ``virtual (computational)'' surgeries More >