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Author Neil Kocher

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Pathological characteristics of the large renal mass: potential implication for clinical role of renal biopsy.

Aeen M Asghar, Andrew G McIntosh, Zachary L Smith, Neil J Kocher, Ziho Lee, Nimrod N Barashi, Tianyu Li, Jay D Raman, Scott E Eggener, Robert G Uzzo, Alexander Kutikov,

<h4>Introduction</h4>To assess whether patients with a large renal mass, treated by radical nephrectomy (RN), could have benefited from preoperative renal mass biopsy (RMB). The decision to perform partial nephrectomy (PN) for an organ-confined > 4 cm renal mass can be complex. Albeit often feasible, oncologic safety of PN in this ... Read more >>

Can J Urol (The Canadian journal of urology)
[2021, 28(2):10620-10624]

Cited: 0 times

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Predictive factors of PNE success in a contemporary series: A single institution experience.

Neil J Kocher, Samir Derisavifard, Jessica Rueb, Howard B Goldman,

<h4>Purpose</h4>Peripheral nerve evaluation (PNE) permits a trial of sacral neuromodulation to determine candidates for single stage implant. Before routine fluoroscopy, PNE success rates were 40%-50% compared to approximately 77% with staged procedures. There are limited data on PNE success rates with the use of fluoroscopy and improved techniques. We evaluated ... Read more >>

Neurourol Urodyn (Neurourology and urodynamics)
[2021, 40(1):376-383]

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Incidence and preoperative predictors for major complications following radical nephroureterectomy.

Neil J Kocher, David Canes, Karim Bensalah, Morgan Roupret, Costas Lallas, Vitaly Margulis, Shahrokh Shariat, Pierre Colin, Surena Matin, Chad Tracy, Evanguelos Xylinas, Andrew Wagner, Mathieu Roumiguie, Wassim Kassouf, Tobias Klatte, Jay D Raman,

<h4>Background</h4>Radical nephroureterectomy (RNU) is the referent standard for managing bulky, invasive, or high grade upper-tract urothelial carcinoma (UTUC). The UTUC patient population, however, generally harbor medical comorbidities thereby placing them at risk of surgical complications. This study reviews a large international cohort of RNU patients to define the risk of ... Read more >>

Transl Androl Urol (Translational andrology and urology)
[2020, 9(4):1786-1793]

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Endoscopic Closure of a Large Rectovesical Fistula Following Robotic Prostatectomy.

Andrew Watts, Neil J Kocher, Eric Pauli, Jay D Raman,

<b><i>Background:</i></b> Rectovesical fistulae (RVF) are uncommon complications of pelvic surgeries and are a potential cause of significant morbidity. RVF are not typically closed endoscopically but rather require reoperative surgery of the lower pelvis with closure of tract, interposition of fat or omentum, and possible permanent bowel diversion. We present a ... Read more >>

J Endourol Case Rep (Journal of endourology case reports)
[2020, 6(3):139-142]

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Comparison of the Comprehensive Complication Index and Clavien-Dindo systems in predicting perioperative outcomes following radical nephroureterectomy.

Scott Geiger, Neil Kocher, Dan Illinsky, Evanguelos Xylinas, Peter Chang, Lauren Dewey, Andrew A Wagner, Firas Petros, Surena F Matin, Conrad Tobert, Chad Tracy, Pierre-Marie Patard, Mathieu Roumiguie, Leonardo Lima Monteiro, Wassim Kassouf, Jay D Raman,

<h4>Background</h4>Complications can occur following radical nephroureterectomy (RNU) in 20-40% of patients. The Comprehensive Complication Index (CCI) is an alternative grading system to the Clavien-Dindo (CD) grading system that aggregates all complications experienced by a patient on a continuous (as opposed to categorical) scale. We investigate whether the cumulative nature of ... Read more >>

Transl Androl Urol (Translational andrology and urology)
[2020, 9(4):1780-1785]

Cited: 1 time

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Advances in Ambulatory Urodynamics.

Neil J Kocher, Margot S Damaser, Bradley C Gill,

<h4>Purpose of review</h4>This manuscript reviews recent technological advances in ambulatory urodynamics.<h4>Recent findings</h4>Ambulatory urodynamics is currently recommended by the International Continence Society as a second-line diagnostic tool in patients with nondiagnostic traditional urodynamics. Novel techniques involving telemetric monitoring are in development, which utilize catheter-free wireless systems to address several recognized shortcomings ... Read more >>

Curr Urol Rep (Current urology reports)
[2020, 21(10):41]

Cited: 1 time

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Does Incidental Discovery of Synthetic Sling in the Colon Require Treatment?

Neil J Kocher, Sandip P Vasavada, Howard B Goldman,

Urology (Urology)
[2020, 137:7-8]

Cited: 0 times

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Ectopic ACTH-secreting neuroendocrine tumor: a rare etiology of a pediatric solid renal mass.

Neil J Kocher, Justin Loloi, Joshua Warrick, Amy S Burns, Ross M Decter,

Neuroendocrine tumors (NETs) are rare tumors with varying clinical presentations. We describe the case of an 11-year-old female presenting with Cushingoid features in the setting of a left-sided flank mass. Her presentation and evaluation suggested a paraneoplastic ectopic ACTH syndrome. She underwent open left radical nephrectomy and final pathology confirming ... Read more >>

Can J Urol (The Canadian journal of urology)
[2019, 26(5):9956-9959]

Cited: 1 time

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A preoperative nomogram to predict major complications after robot assisted partial nephrectomy (UroCCR-57 study).

Zine-Eddine Khene, Benoit Peyronnet, Jean-Christophe Bernhard, Neil J Kocher, Christophe Vaessen, Nicolas Doumerc, Benjamin Pradere, Thomas Seisen, Jean-Baptiste Beauval, Grégory Verhoest, Mathieu Roumiguié, Alexandre De la Taille, Franck Bruyere, Morgan Roupret, Arnaud Mejean, Romain Mathieu, Shahrokh Shariat, Jay D Raman, Karim Bensalah, ,

<h4>Objective</h4>To generate a nomogram based on preoperative parameters to predict the occurrence of a major complication within 30-days of robotic partial nephrectomy.<h4>Materials and methods</h4>The study included 1,342 patients with a clinically localized renal tumor who underwent robotic partial nephrectomy (RPN) between 2010 and 2017 at 7 academic centers. The primary ... Read more >>

Urol Oncol (Urologic oncology)
[2019, 37(9):577.e1-577.e7]

Cited: 0 times

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Predicting morbidity after robotic partial nephrectomy: The effect of tumor, environment, and patient-related factors.

Zine-Eddine Khene, Benoit Peyronnet, Neil J Kocher, Haley Robyak, Corentin Robert, Benjamin Pradere, Emmanuel Oger, Solène-Florence Kammerer-Jacquet, Grégory Verhoest, Nathalie Rioux-Leclercq, Romain Mathieu, Jay D Raman, Karim Bensalah,

PURPOSE:To investigate the effect of tumor and nontumor related parameters on perioperative outcomes of robotic partial nephrectomy (RPN). PATIENTS AND METHODS:Patients who underwent RPN for a localized renal tumor at 2 institutions between June 2010 and November 2016 were reviewed. RENAL and Mayo adhesive probability (MAP) scores were calculated and ... Read more >>

Urol Oncol (Urologic oncology)
[2018, 36(7):338.e19-338.e26]

Cited: 3 times

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Incidence and histologic features of mixed renal tumors.

Neil J Kocher, Chris Rjepaj, Erik Lehman, Jay D Raman,

<h4>Background and objectives</h4>Guidelines for management of renal cell carcinoma (RCC) incompletely address the implications of mixed renal tumor histology. We investigate the incidence of mixed renal tumors identified at renal surgery and determine the association with pathologic features.<h4>Methods</h4>Institutional kidney tumor database was reviewed to identify 536 patients who underwent partial ... Read more >>

J Surg Oncol (Journal of surgical oncology)
[2018, 117(3):430-433]

Cited: 2 times

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Longitudinal Rupture of Distal Corpus Cavernosum With Concomitant Urethral Injury: An Uncommon Result of a Common Mechanism.

Brian M Blair, Fernandino Vilson, Neil J Kocher, Edward Kloniecke, Joseph Y Clark,

Fracture of the penis is a well-recognized yet relatively uncommon urologic event. Forceful, blunt trauma with lateral bending of the penis in an erect state typically results in a transverse rupture of the tunica albuginea of the corpus cavernosum. Longitudinal tears of the corpus cavernosum are by themselves considered infrequent. ... Read more >>

Urology (Urology)
[2018, 118:e5-e6]

Cited: 1 time

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Is sarcopenia and sarcopenic obesity associated with clinical and pathological outcomes in patients undergoing radical nephroureterectomy?

Neil J Kocher, Syed Jafri, Samyuktha Balabhadra, Erik Lehman, Jacob Gardner, Kanupriya Vijay, Nabeel Sarwani, Jay D Raman,

PURPOSE:To investigate the association between sarcopenia and sarcopenic obesity on clinical, perioperative, and oncologic outcomes in patients with upper-tract urothelial carcinoma (UTUC) undergoing radical nephroureterectomy (RNU). METHODS:Retrospective review of our institutional UTUC database was performed to identify all patients who underwent radical nephroureterectomy from 2002-2016. Skeletal Muscle Index (SMI) was ... Read more >>

Urol Oncol (Urologic oncology)
[2018, 36(4):156.e17-156.e22]

Cited: 1 time

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Incarcerated Right Lateral Trocar-Site Hernia as a Rare Complication of Robot-Assisted Laparoscopic Prostatectomy.

Neil J Kocher, Daniel Ilinsky, Jay D Raman,

<b><i>Background:</i></b> Trocar-site hernia (TSH) is an uncommon complication following laparoscopic surgery and a potential cause of significant morbidity if bowel incarceration or strangulation occurs. Lateral trocar sites are intrinsically less susceptible to hernia development and traditionally do not mandate fascial closure. We present an unusual case involving an incarcerated TSH ... Read more >>

J Endourol Case Rep (Journal of endourology case reports)
[2017, 3(1):155-157]

Cited: 1 time

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Longitudinal Gender Disparity in Female Urology Resident Primary Authorship at an American Urological Association Sectional Meeting.

Tony R Lin, Neil J Kocher, Adam P Klausner, Jay D Raman,

<h4>Objective</h4>To further evaluate the academic representation of female urology residents in the United States, we reviewed abstracts from the Mid-Atlantic American Urological Association (MA-AUA) sectional meetings to determine if the recent increase in the number of female urology residents mirrored an increase in this group's abstract authorship.<h4>Materials and methods</h4>Full text ... Read more >>

Urology (Urology)
[2017, 110:40-44]

Cited: 1 time

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Hypertension is the primary component of metabolic syndrome associated with pathologic features of kidney cancer.

Neil J Kocher, Chris Rjepaj, Haley Robyak, Erik Lehman, Jay D Raman,

<h4>Purpose</h4>To determine whether individual and/or cumulative components of metabolic syndrome (obesity, hypertension, dyslipidemia, and hyperglycemia) are associated with pathologic features of kidney cancer.<h4>Patients and methods</h4>A review of our kidney tumor database identified 462 patients who underwent partial or radical nephrectomy for renal cell carcinoma. The NCEP ATP-III criteria were used ... Read more >>

World J Urol (World journal of urology)
[2017, 35(1):67-72]

Cited: 13 times

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Adherent perinephric fat at minimally invasive partial nephrectomy is associated with adverse peri-operative outcomes and malignant renal histology.

Neil J Kocher, Sudhir Kunchala, Christopher Reynolds, Erik Lehman, Sarah Nie, Jay D Raman,

<h4>Objectives</h4>To predict adherent perinephric fat (APF) at minimally invasive partial nephrectomy (MIPN) using the Mayo adhesive probability (MAP) score and to determine the impact of MAP score and APF on MIPN outcomes.<h4>Patients and methods</h4>A total of 245 patients undergoing MIPN were included in the study. The presence of APF was ... Read more >>

BJU Int (BJU international)
[2016, 117(4):636-641]

Cited: 16 times

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Trends in Urology Residents' Exposure to Operative Urotrauma: A Survey of Residency Program Directors.

Daniel C Parker, Neil Kocher, Jack H Mydlo, Jay Simhan,

To determine longitudinal trends in resident exposure to urotrauma and to assess whether presence of Genitourinary Reconstructive Surgeon (GURS) faculty has impacted exposure and career choice.An identical, 31-question multiple-choice survey was sent to program directors of Accreditation Council for Graduate Medical Education (ACGME)-accredited urology residency programs in 2006 and 2013. ... Read more >>

Urology (Urology)
[2016, 87:18-24]

Cited: 1 time

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Coupling of prostate and thyroid cancer diagnoses in the United States.

Jeffrey J Tomaszewski, Robert G Uzzo, Brian Egleston, Anthony T Corcoran, Reza Mehrazin, Daniel M Geynisman, John A Ridge, Colleen Veloski, Neil Kocher, Marc C Smaldone, Alexander Kutikov,

<h4>Background</h4>Prostate and thyroid cancers represent two of the most overdiagnosed tumors in the US. Hypothesizing that patients diagnosed with one of these malignancies were more likely to be diagnosed with the other, we examined the coupling of diagnoses of prostate and thyroid cancer in a large US administrative dataset.<h4>Methods</h4>The surveillance, ... Read more >>

Ann Surg Oncol (Annals of surgical oncology)
[2015, 22(3):1043-1049]

Cited: 2 times

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Anatomic complexity quantitated by nephrometry score is associated with prolonged warm ischemia time during robotic partial nephrectomy.

Jeffrey J Tomaszewski, Marc C Smaldone, Reza Mehrazin, Neil Kocher, Timothy Ito, Philip Abbosh, Jacob Baber, Alexander Kutikov, Rosalia Viterbo, David Y T Chen, Daniel J Canter, Robert G Uzzo,

<h4>Objective</h4>To assess the association between nephrometry score (NS) and prolonged warm ischemia time (WIT) in patients undergoing robotic partial nephrectomy (RPN) for clinically localized renal masses.<h4>Methods</h4>We queried our prospectively maintained kidney cancer database to identify all patients undergoing RPN for localized tumors from 2007-2012. Patient and tumor characteristics were compared ... Read more >>

Urology (Urology)
[2014, 84(2):340-344]

Cited: 12 times

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Patients with anatomically "simple" renal masses are more likely to be placed on active surveillance than those with anatomically "complex" lesions.

Jeffrey J Tomaszewski, Robert G Uzzo, Neil Kocher, Tianyu Li, Brandon Manley, Reza Mehrazin, Timothy Ito, Philip Abbosh, Rosalia Viterbo, David Y T Chen, Richard E Greenberg, Daniel Canter, Marc C Smaldone, Alexander Kutikov,

<h4>Objective</h4>To determine if radiographically less complex renal lesions are deemed clinically less "worrisome" and therefore are more likely to be considered for active surveillance (AS).<h4>Methods</h4>We examined our prospective institutional database to identify and compare patients with localized renal cell carcinoma undergoing an initial period of AS or immediate surgery. Multivariate ... Read more >>

Urol Oncol (Urologic oncology)
[2014, 32(8):1267-1271]

Cited: 4 times

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Splenogonadal fusion: a rare etiology of solid testicular mass.

Neil J Kocher, Jeffrey J Tomaszewski, Rosaleen B Parsons, Brian R Cronson, Howard Altman, Alexander Kutikov, Roberta E Smith,

A 35-year-old man presented with a painless left scrotal mass. Pathologic examination after orchiectomy revealed splenogonadal fusion. Splenogonadal fusion is an exceptionally rare, typically benign, congenital anomaly. Splenogonadal fusion should be included in the differential diagnosis of a left-sided testicular mass. ... Read more >>

Urology (Urology)
[2014, 83(1):e1-2]

Cited: 4 times

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Medical Attributes of St. John’s Wort (Hypericum perforatum)

Kenneth M. Klemow, Andrew Bartlow, Justin Crawford, Neil Kocher, Jay Shah, Michael Ritsick,

St. John’s wort (SJW), known botanically as Hypericum perforatum, is a sprawling, leafy herb that grows in open, disturbed areas throughout much of the world’s temperate regions. The use of this species as an herbal remedy to treat a variety of internal and external ailments dates back to the time ... Read more >>

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