Dr Chong Le Roy

Dr Chong Le Roy is a radiologist with fellowship-trained subspecialty expertise in musculoskeletal imaging and intervention. He completed fellowship training in musculoskeletal imaging and MRI research at the Hospital for Special Surgery in New York, as well as a fellowship in spine imaging and intervention at the Seoul National University Hospital in South Korea.

Dr Chong's area's of expertise includes magnetic resonance imaging, which is inclusive of proficiency in optimising MRI scan protocols and parameters as well as technical aspects and the physics behind MRI. He also has an interest in interventional procedures of the musculoskeletal system and spine, and routinely performs various diagnostic and therapeutic image-guided procedures such as biopsies, nerve blocks and vertebroplasties.

• 2016: Fellow of the Royal Australian and New Zealand College of Radiologists (FRANZCR)
• 2014: Fellow of the Academy of Medicine, Singapore (FAMS)
• 2004: Masters of Medicine in Diagnostic Radiology, National University of Singapore (MMed)
• 2004: Fellow of the Royal College of Radiologists, United Kingdom (FRCR)
• 1997: Bachelor of Medicine, Bachelor of Surgery, University of Queensland, Australia (MBBS)

• Clinical Assistant Professor - Duke-NUS
• Core Faculty - Singhealth Diagnostic Radiology Residency Programme
• Senior Clinical Lecturer - NUS Yong Loo Lin School of Medicine
• Clinical Teacher - NTU Lee Kong Chian School of Medicine
• 2016 – present: Fellow, Royal Australian and New Zealand College of Radiologists
• 2015 – present: International Member, Korean Society of Magnetic Resonance in Medicine
• 2014 – present: Fellow, Academy of Medicine, Singapore 2013 – present: International Member, Korean Society of Radiology
• 2013 – present: Fellow, Academic Medicine Education Institute Duke-NUS Singhealth
• 2011 – present: Member, International Society for Magnetic Resonance in Medicine
• 2007 – present: Member, Asian Musculoskeletal Society
• 2007 – present: Member, European Society of Radiology
• 2004 – present: Fellow, Royal College of Radiologists (United Kingdom)
• 2003 – present: Member, Singapore Radiological Society

• 2018: Reviewer Recognition Award, Singapore Medical Journal
• 2015: Best Scientific Exhibition Award, 71st Korean Congress of Radiology, Seoul, South Korea
• 2014: Best Poster Award, Changi General Hospital Annual Scientific Meeting 2014
• 2011: Certificate of Merit, 98th Scientific Assembly and Annual Meeting, Radiological Society of North America, Chicago, USA
• 2011: Best Poster Award, 13th Asian Musculoskeletal Society Annual Scientific Meeting, Busan, South Korea

• Quality of Life in HPB Patients

BOOK CHAPTER

1. Potter HG, Sneag DB, Chong LR. “MRI Evaluation of Knee Ligaments” in The Knee Joint: Surgical Techniques and Strategies (Chapter 7). Bonnin M, Amendola NA, Bellemans J, MacDonald SJ and Menetrey J. Eds. Springer, 2013, pp. 71-84.

INDEXED JOURNAL ARTICLES

1. Chan WY, Chong LR. Anatomical Variants of Lister's Tubercle: A New Morphological Classification Based on Magnetic Resonance Imaging. Korean J Radiol. 2017;18(6):957-963.

2. Poh PG, Liew C, Yeo C, Chong LR, Tan A, Poh A. Cardiovascular Implantable Electronic Devices: A Review of the Dangers and Difficulties in MR scanning and Attempts to Improve Safety. Insights into Imaging. 2017, 1-14.

3. Chong LR, Too CW. Comparison of CT Measurement of Acetabular Version Angles in the Prone and Supine Positions. Skeletal Radiol. 2014 Mar;43(3):289-95.

4. Chin YC, Wijaya R, Chong LR, Chang HC, Lee DY. Bone Bruise Patterns in Knee Injuries: Where are They Found? Eur J Orthop Surg Traumatol. 2013 Sep 22 (Epub ahead of print).

5. John S, Poh AC, Lim TC, Chan EH, Chong LR. The iPad Tablet Computer for Mobile On-Call Radiology Diagnosis? Auditing Discrepancy in CT and MRI Reporting. Journal of Digital Imaging. 2012 Oct;25(5):628-34.

6. Heyse TJ, Chong LR, Davis J, Boettner F, Haas SB, Potter HG. MRI Analysis for Rotation of Total Knee Components. Knee. 2012;19(5):571-5.

7. Heyse TJ, Chong LR, Davis J, Haas SB, Figgie MP, Potter HG. MRI Diagnosis of Patellar Clunk Syndrome Following Total Knee Arthroplasty. HSS Journal. 2012;8(2):92-5.

8. Heyse TJ, Chong LR, Davis J, Boettner F, Haas SB, Potter HG. MRI Analysis of the Component-Bone Interface after TKA. Knee. 2012;19(4):290-4.

9. Khoo JN, Chong LR, Chan EHY, Poh ACC. Pitfalls in Multidetector Computed Tomography Imaging of Traumatic Spinal Injuries. Emergency Radiology. 2011 Dec;18(6):551-62.

10. Koff MF, Chong LR, Virtue P, Ying L, Gholve PA, Rodeo SA, Widmann RF, Potter HG. Correlation of Magnetic Resonance Imaging and Histologic Examination of Physeal Bars in a Rabbit Model. Journal of Pediatric Orthopaedics. 2010 Dec;30(8):928-35.

11. Fortier LA, Potter HG, Rickey EJ, Schnabel LV, Foo LF, Chong LR, Stokol T, Cheetham J, Nixon AJ. Concentrated Bone Marrow Aspirate Improves Full-Thickness Cartilage Repair Compared with Microfracture in the Equine Model. The Journal of Bone and Joint Surgery (American). 2010;92(10):1927-37.

12. Koff MF, Chong LR, Virtue P, Chen D, Wang X, Wright T, Potter HG. Validation of Cartilage Thickness Calculations using Indentation Analysis. Journal of Biomechanical Engineering. 2010;132(4):041007.

13. Potter HG, Chong LR. MRI Assessment of Chondral Lesions and Repair. The Journal of Bone and Joint Surgery (American). 2009;91:126-131.

14. Potter HG, Black BR, Chong LR. New Techniques in Articular Cartilage Imaging. Clinics of Sports Medicine. 2009;28(1):77-94.

15. Black BR, Chong LR, Potter HG. Cartilage Imaging in Athletes. Sports Medicine and Arthroscopy Review. 2009;17(1):68-80.

16. Potter HG, Chong LR, Sneag DB. Magnetic Resonance Imaging of Cartilage Repair. Sports Medicine and Arthroscopy Review. 2008;16(4):236-245.

POSTER & ORAL PRESENTATIONS

1. REACT – Clinical Utility of a Free-Breathing, Non-Gated, Non-Contrast 3D Magnetic Resonance Angiography Technique Tan EJ, Tirukonda P, Tang TY, Chong LR March 2018: Electronic Educational Exhibit, European Congress of Radiology 2018, Vienna, Austria

2. Post-Radiation Cavernomas of Spinal Nerve Roots - Case Report and Literature Review of a Rare Condition Chong LR, Poh A October 2017: Electronic Educational Exhibit, 68th Annual Scientific Meeting of the Royal Australian and New Zealand College of Radiologists, Perth, Australia

3. Reporting of CT Cervical Spine After Office Hours – Analysis of What is Commonly Missed by Trainees and Pitfalls in Interpretation Yan YY, Tan TJ, Francis J, Khoo JN, Chan E, Chong LR September 2017: 3rd Singhealth Duke-NUS Education Conference, Academia, Singapore

4. Safe Use of Cardiovascular Implantable Electronic Devices During MRI Leong SF, Liew C, Chong LR, Tan A, Poh A August 2017: Singapore Healthcare Management 2017, Singapore

5. MR Appearance and Imaging Pitfalls of Serous Atrophy of Bone Marrow Cheong WK, Chong LR May 2017: Poster Presentation, RadiologyAsia 2017 and 26th Annual Scientific Meeting of the Singapore Radiological Society and College of Radiologists, Singapore

6. Serous Atrophy of Bone Marrow: A Rare Disorder Worth Getting Acquainted With Cheong WK, Chong LR March 2017: Electronic Educational Exhibit, European Congress of Radiology 2017, Vienna, Austria

7. Anatomical Characteristics of the Humerus: Implication for Intramedullary Nailing Tay PH, Lim NSH, Wang BDH, Francis J, Kuo CL, Chong LR, Loh JSY October 2016: Oral Presentation, 39th Annual Scientific Meeting of the Singapore Orthopaedic Association, Singapore

8. Physics in Motion: Diffusion Weighted Imaging - An Illustrated Review Ong YY, Sim FY, Chong LR May 2016: Electronic Educational Exhibit, 25th Annual Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM), Singapore

9. Safe Use of Cardiovascular Implantable Electronic Devices During MRI Leong SF, Liew CJY, Chong LR, Tan AGS, Poh ACC May 2016: Poster Exhibit, 25th Annual Scientific Meeting of the International Society of Magnetic Resonance in Medicine Section for Magnetic Resonance Technologists (ISMRM-SMRT), Singapore

10. Imaging of Spinal Dural Arteriovenous Malformations at 1.5T MRI Phyo KK, Leong SF, Lee LL, Chong LR May 2016: Poster Exhibit, 25th Annual Scientific Meeting of the International Society of Magnetic Resonance in Medicine Section for Magnetic Resonance Technologists (ISMRM-SMRT), Singapore

11. All Inside Meniscus Repair of Bucket Handle Meniscal Tears – Follow-up with Postoperative Magnetic Resonance Imaging One Year After Surgery Ng YH, Chong LR, Tan TJ, Zhuang ZL, See WYS, Leo PMS, Lee YHD May 2016: Poster Exhibit, 17th European Society of Traumatology, Knee Surgery and Arthroscopy (ESSKA) Congress, Barcelona, Spain

12. Liver Fat Quantification by MRI Simplified - Techniques, Tips and Tricks Taneja R, Kwa LY, Chong LR April 2016: Electronic Poster Exhibit, 116th Annual Meeting of the American Roentgen Ray Society, Los Angeles, USA

13. Non-Invasive Assessment of Hepatic Steatosis by Imaging Lau CW, Chong LR, Taneja R February 2016: Poster Exhibit, Singapore Congress of Radiology 2016 and 25th Annual Scientific Meeting of the Singapore Radiological Society and College of Radiologists, Singapore

14. Anatomical Variants of Lister’s Tubercle on MR Imaging Chan WY, Chong LR February 2016: Poster Exhibit, Singapore Congress of Radiology 2016 and 25th Annual Scientific Meeting of the Singapore Radiological Society and College of Radiologists, Singapore

15. All Inside Meniscus Repair of Bucket Handle Meniscal Tear – Case Series With Postoperative Magnetic Resonance Imaging (MRI) Ng YH, Chong LR, Tan TJ, Zhuang ZL, See WYS, Leo PMS, Lee YHD October 2015: Poster Exhibit, Singapore Orthopaedic Association 38th Annual Scientific Meeting 2015, Singapore

16. Anatomical Variants of Lister’s Tubercle on MR Imaging (Silver Prize for Best Scientific Exhibition Award, KCR) Chan WY, Chong LR September 2015: Electronic Poster Exhibit, 71st Korean Congress of Radiology, Seoul, South Korea

17. Introducing MR Elastography – A Non-Invasive Approach to Measuring Liver Stiffness (Third Prize for Best Poster Award) Ng KH, Chong LR November 2014: Poster Exhibit, Changi General Hospital Annual Scientific Meeting 2014, Singapore

18. Practical Bone Densitometry Using Dual Energy X-Ray Absorptiometry In the Asian Population Lee SA, Wansaicheong GKL, Chong LR October 2014: Electronic Poster Exhibit, 70th Korean Congress of Radiology, Seoul, South Korea

19. Comparison of CT Measurement of Acetabular Version Angles in the Prone and Supine Positions Too CW, Chong LR March 2013: Poster Exhibit, 22nd Annual Scientific Meeting of the Singapore Radiological Society and College of Radiologists, Singapore

20. Comparison of CT Measurement of Acetabular Version Angles in the Prone and Supine Positions Too CW, Chong LR April 2012: Electronic Poster Exhibit, 112nd Annual Meeting of the American Roentgen Ray Society, Vancouver, Canada

21. MRI for Analysis of Rotation of Total Knee Components Heyse TJ, Chong LR, Davis J, Böttner F, Haas SB, Potter HG February 2012: Poster Exhibit, Annual Meeting of the American Academy of Orthopaedic Surgeons, San Francisco, USA

22. MRI Analysis of the Component-Bone Interface After TKA Heyse TJ, Chong LR, Davis J, Böttner F, Haas SB, Potter HG February 2012: Poster Exhibit, Annual Meeting of the American Academy of Orthopaedic Surgeons, San Francisco, USA

23. How Good is the iPad for On-call Radiology Review? Auditing Discrepancy in CT and MRI Reporting Sindhu J, Poh ACC, Lee YZ, Chong LR, Chan EHY, Lim TCC November 2011: Oral Presentation, 98th Scientific Assembly and Annual Meeting, Radiological Society of North America, Chicago, USA

24. Physics in Motion: Magnetic Resonance Angiography—An Illustrated Review (Certificate of Merit) Ong YX, Lee LL, Chan EHY, Chong LR November 2011: Electronic Poster Exhibit, 98th Scientific Assembly and Annual Meeting, Radiological Society of North America, Chicago, USA

25. The iPad for CT Review – A Preliminary Study of Accuracy and User Experience Lee YZ, John S, Chan EHY, Chong LR, Poh ACC April 2011: Oral Presentation, Young Radiologist Investigator’s Award, 15th Congress of the ASEAN Association of Radiology, Singapore

26. Pitfalls in Multidetector CT Imaging of Traumatic Spinal Injuries Khoo JN, Chong LR, Chan EHY, Poh ACC April 2011: Poster Exhibit, 15th Congress of the ASEAN Association of Radiology, Singapore

27. High-resolution 3T MRI versus conventional 1.5T MR arthrography of the shoulder for the detection of glenoid labral tears: A retrospective comparison at a single center Too CW, Chong LR April 2011: Poster Exhibit, 15th Congress of the ASEAN Association of Radiology, Singapore

28. High-resolution 3T MRI versus conventional 1.5T MR arthrography of the shoulder for the detection of glenoid labral tears: A retrospective comparison at a single center (Best Poster Prize, AMS) Too CW, Chong LR February 2011: Electronic Poster Exhibit, 13th Asian Musculoskeletal Society Annual Scientific Meeting, Busan, South Korea

29. MRI Analysis of the Component-Bone Interface After TKA Heyse TJ, Chong LR, Davis J, Böttner F, Haas SB, Potter HG December 2010: Poster Exhibit, 22nd Annual Holiday Total Knee Course, Hospital for Special Surgery, New York, USA

30. MRI Analysis of the Component-Bone Interface After TKA Heyse TJ, Chong LR, Davis J, Böttner F, Haas SB, Potter HG September 2010: Poster Exhibit, International Sports Medicine & Knee Arthroplasty Meeting 2010 – The Knee Unplugged, Berlin, Germany

31. MRI for Analysis of Rotation of Total Knee Components Heyse TJ, Chong LR, Davis J, Böttner F, Haas SB, Potter HG September 2010: Poster Exhibit, International Sports Medicine & Knee Arthroplasty Meeting 2010 – The Knee Unplugged, Berlin, Germany

32. Pitfalls in Multidetector CT Imaging of Traumatic Spinal Injuries Khoo JN, Chong LR, Chan EHY, Poh ACC Sept 2010: Electronic Poster Exhibit, 37th Annual Meeting of the International Skeletal Society, Athens, Greece

33. Quantitative MR Imaging of Cartilage Repair in a Goat Model Koff MF, Chong LR, Foo LF, Truncale K, Semler E, Rodeo S, Potter HG May 2009: Poster Exhibit, 8th World Congress of the International Cartilage Repair Society, Miami, USA

34. Validation of Cartilage Thickness Calculations Using Indentation Analysis Koff MF, Chong LR, Virtue P, Chen D, Wright T, Potter HG April 2009: Poster Exhibit, 17th Scientific Meeting & Exhibition, International Society for Magnetic Resonance in Medicine, Honolulu, USA

35. Is It Appendicitis? Pitfalls in the CT Evaluation of Females with Right Lower Quadrant Pain Xie WY, Poh ACC, Chong LR, Tan AGS March 2009: Poster Exhibit, 18th Annual Scientific Meeting of the Singapore Radiological Society, Tan Tock Seng Hospital, Singapore

36. Concentrated Bone Marrow Aspirate Improves Full-Thickness Cartilage Repair Fortier LA, Rickey LJ, Schnabel LV, Foo LF, Chong LR, Nixon AJ, Potter HG February 2009: Poster Exhibit, 55th Annual Meeting of the Orthopaedic Research Society, Las Vegas, USA

37. Quantitative MR Imaging of Cartilage Repair in a Goat Model Foo LF, Chong LR, Koff MF, Truncale K, Semler E, Riley T, Rodeo SA, Potter HG February 2009: Paper Presentation, 55th Annual Meeting of the Orthopaedic Research Society, Las Vegas, USA

38. Correlation of MRI and Histological Examination of Physeal Bars in a Rabbit Model Koff MF, Chong LR, Virtue P, Ying L, Gholve PA, Widmann RF, Potter HG February 2009: Poster Exhibit, 55th Annual Meeting of the Orthopaedic Research Society, Las Vegas, USA

39. Is It Appendicitis? Pitfalls in the CT Evaluation of Females with Right Lower Quadrant Pain (selected by ARRS Scientific Program Subcommittee as part of CME program) Chong LR, Poh ACC, Tan AGS May 2007: Electronic Poster Exhibit, 107th Annual Meeting of the American Roentgen Ray Society, Orlando, USA

40. Imaging Features of Carotid Space Masses Chong LR, Tan TY February 2007: Poster Exhibit, 6th Asian & Oceanian Congress of Neuroradiology And Head & Neck Radiology, Singapore

41. Wire Localisation of Non-Palpable Breast Lesions Old Fashioned? A 10 Year Review of 350 Patients Ng KS, Teh HS, Chong LR, Chiang SH, Tan AGS, Tan TY, Mancer K, Poh WT, Tan SM December 2006: Oral Presentation, 3rd Changi General Hospital Research Forum, Singapore

42. Efficacy of Percutaneous Transhepatic Biliary Drainage in non-dilated biliary tree: Our experience in Changi General Hospital Nagar AM, Teh HS, Chong LR, Chiang SH, Tan AGS, Tan TY, Foo CS, Tan SS, Salleh Ibrahim, Chng HC, Tay KH, Teo EK, Fock KM December 2006: Oral Presentation, 3rd Changi General Hospital Research Forum, Singapore

43. Low-Dose Unenhanced Multidetector CT urography in Patients with Suspected Renal Colic - Changi General Hospital Experience Lim TC, Teh HS, Chong LR, Tan CK, Chiang SH, Poh BK, Ng KK, Ho SH, Quek P, Ng FC December 2006: Oral Presentation, 3rd Changi General Hospital Research Forum, Singapore

44. Transcatheter Embolisation of Renal Angiomyolipomas with Absolute Alcohol – Singapore General Hospital Experience Chong LR, Tay KH, Htoo MM, Lo RHG, Ng BK, Tan BS, Yip S, Lau W, Wong M, Cheng C, Foo KT November 2005: Poster Exhibit, 1st Singhealth-National Healthcare Group Combined Scientific Meeting, Singapore

45. Transcatheter Embolisation of Renal Angiomyolipomas with Absolute Alcohol – Singapore General Hospital Experience Chong LR, Tay KH, Htoo MM, Lo RHG, Ng BK, Tan BS, Yip S, Lau W, Wong M, Cheng C, Foo KT June 2005: Oral Presentation, Young Investigator Award Nominee, 39th Singapore-Malaysia Congress of Medicine, Singapore