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       Unmoderated Poster Session 2: Uro-Oncology, Pediatric Urology,

       Sexual Dysfunction, Transplant

       UP-2.1                                                5.   Schmit C, Matsumoto J, Yost K, et al. Impact of a 3D printed model
       Development of a 3D-printed testicular cancer model for testicular   on patients’ understanding of renal cryoablation: A prospective pilot
       examination education                                     study. Abdom Radiol 2019;44:304-9.
       Rebecca Power , Jason A. Hearn , Charles J. Gillis , David R. Harvey ,   018-1710-1
       Christopher G. French , Michael K. Organ 2            6.   Teishima J, Takayama Y, Iwaguro S, et al. Usefulness of personalized
       1 Faculty of Medicine, Memorial University, St John’s, NL, Canada;  Department   three-dimensional printed model on the satisfaction of preoperative
       of Urology, Discipline of Surgery, Faculty of Medicine, Memorial University,   education for patients undergoing robot-assisted partial nephrec-
       St John’s, NL, Canada                                     tomy and their families. Int Urol Nephrol 2018;50:1061-6. https://
       Introduction: Testicular cancer is the most commonly diagnosed malig-
       nancy in young males.  Most patients present with a painless nodule on one
       testicle;  thus, self-examination is a non-invasive and inexpensive method   UP-2.2
       that could enable early detection of malignancy.  3D-printed teaching   Development of a 3D-printed renal malignancy model for surgical
       models can improve patient education and surgical planning.  The objec-  planning and patient education
       tive of this project is to develop a teaching tool for medical learners and   Jason Hearn , Rebecca J. Power , Charles Gillis , Jennifer Young , Michael
       patients to gain a better understanding of testicular malignancies and to   K. Organ 3
       promote testicular examination (TE).                  1 Faculty of Medicine, Memorial University of Newfoundland, St. John’s,
       Methods: Four scrotum models were designed, a control model with healthy   NL, Canada;  Discipline of Radiology, Faculty of Medicine, Memorial
       testes and three models containing a healthy testicle and a testicle with an   University of Newfoundland, St. John’s, NL, Canada;  Department of
       endophytic mass of varying size. The anatomy, texture, and composition of   Urology, Discipline of Surgery, Faculty of Medicine, Memorial University
       the models were refined using an iterative process between the design team   of Newfoundland, St. John’s, NL, Canada
       and urologists. The models were designed in OpenJSCAD and printed using   The authors would like to thank MUN MED 3D for their technical support
       a Prusa MKS3S printer. The material used for the scrotum and testes was   on this project.
       Smooth-On Ecoflex 00-30 silicone, and the malignancies were casted in a   Introduction: Kidney cancer is a common diagnosis, with a five-year sur-
       polylactic acid polymer. The models were assessed by a team of urologists,   vival rate of 71%.  Surgery plays a critical role in treating cancerous renal
       urology nurse practitioners, and medical learners. Participants were asked   masses.  Given the complex anatomy of the kidney, the surgical treatment
       to visually inspect and palpate each model and to subsequently provide   of renal cancer requires careful preoperative planning and patient coun-
       feedback regarding the realism and clinical utility of the developed models.  selling.  The incorporation of 3D-printed anatomical models has shown
       Results: Participants agreed that the models would be useful teaching tools   promise in facilitating the planning of surgical interventions,  as well
       for both medical learners and patients. Respondents felt that the models   as the explanation of such procedures to patients. The objective of this
       enabled accurate simulation of a TE involving both healthy and pathologic   project was to develop a 3D-printed renal malignancy model for use in
       testes. Qualitative feedback concluded that the majority of respondents   both surgical planning and patient education.
       would use these models as a teaching aid in clinic and incorporate it into   Methods: A team of urologists, radiologists, and engineers developed a
       their practice.                                       3D-printed model of a kidney with a renal mass. A 3D-rendered image
       Conclusions: 3D-printed models can effectively simulate palpation of both   was first reconstructed using a computed tomography (CT) scan of a patient
       healthy and pathologic testes. These models have the potential to be a   diagnosed with a renal mass. This image was used to develop a 3D-printed
       useful adjunct in teaching TE and in demonstrating abnormal findings that   model that simulated the pathologic kidney. The model was designed in
       require further investigation.                        AutoCAD, finalized with Meshmixer, and casted in silicone using an
       References                                            Ultimaker printer. A urologist verified and evaluated the anatomical accu-
       1.   Trabert B, Chen J, Devesa SS, et al. International patterns and trends   racy of the 3D-printed model, as well as assessed the applicability of the
           in testicular cancer incidence, overall and by histologic subtype,   model for surgical planning and patient education.
           1973–2007. Andrology 2015;3:4-12.  Results: The developed model effectively demonstrated the size, location,
       2.   Kobayashi K, Saito T, Kitamura Y, et al. Effect of the time from the   and overall severity of the renal mass present in the original CT scan. The
           presentation of symptoms to medical consultation on primary tumor   model also facilitated discussions surrounding the surgical intervention
           size and survival in patients with testicular cancer: Shift in the last 2   that would be used to treat the lesion. The clinical experts agreed that the
           decades. Urol Oncol 2014;32:43.e17-43.  model would improve patient understanding and allow for better informed
           urolonc.2013.05.007                               preoperative consent.
       3.   Thornton C.P. Best practice in teaching male adolescents and young   Conclusion: A 3D-printed renal malignancy model was developed based on
           men to perform testicular self-examinations: A review. J Ped Health   a CT scan, as well as expert input from both a urologist and a radiologist.
           Care 2016;30:518-27.  Future work will involve improving the structural accuracy of the simulated
       4.   Rovito MJ, Leone JE, Cavayero CT. “Off-label” usage of testicular   renal vasculature to enable detailed surgical planning, as well as assessing
           self-examination (TSE): Benefits beyond cancer detection. Am J Mens   the utility of the model in clinical practice.
           Health 2018;12:505-13.
                                                CUAJ • June 2020 • Volume 14, Issue 6(Suppl2)                 S57
                                                  © 2020 Canadian Urological Association
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