Dr. Randy Mascarenhas is an Assistant Professor in the Department of Orthopedic Surgery at McGovern Medical School at The University of Texas Health Science Center at Houston (UTHealth).

Certified by the Royal College of Physicians and Surgeons of Canada, Dr. Mascarenhas specializes in Sports Medicine with a focus on arthroscopic and minimally invasive surgery of the shoulder and knee.

Dr. Mascarenhas attended medical school and completed his orthopedic surgery residency at The University of Manitoba in Winnipeg, Manitoba, Canada. Dr. Mascarenhas also completed both a research fellowship in sports medicine at the University of Pittsburgh Medical Center and the prestigious clinical fellowship in sports medicine and shoulder surgery at Rush University Medical Center in Chicago, Illinois. Throughout his training, Dr. Mascarenhas has helped provide care for athletes of all levels including professional athletes from the Winnipeg Jets (NHL), Winnipeg Blue Bombers (CFL), Chicago Bulls (NBA), and Chicago White Sox (MLB).

Dr. Mascarenhas is a member of several professional organizations, including the American Academy of Orthopedic Surgeons (AAOS), the American Orthopedic Society for Sports Medicine (AOSSM), and the Arthroscopy Association of North America (AANA). He has been selected to the American Orthopedic Association (AOA) Emerging Leaders Program and the AAOS Clinician-Scientist Development Program.


Medical School
University of Manitoba, Winnipeg, Manitoba, Canada
Research Fellowship
University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
Orthopaedic Surgery Residency, University of Manitoba, Winnipeg, Manitoba, Canada
Sports Medicine and Shoulder Surgery Fellowship, Rush University Medical Center, Chicago, Illinois

Contact Information

713.566.6145 Office
713.566.6137 Fax

Areas of Interests

Clinical Interests

Orthopedic Sports Medicine
Arthroscopic and Minimally Invasive Surgery of the Shoulder and Knee

Rotator Cuff Tears
Rotator Cuff Impingement
Labral Tears of the Shoulder
Shoulder Dislocations
Shoulder Instability

ACL tears
PCL tears
MCL tears
LCL tears
Knee dislocations
Meniscus tears
Patella Dislocations and Instability
Cartilage Disorders
Osteochondris Dissecans
Cartilage and Meniscus Transplantation

Fracture care
Tendon and ligament repair of the shoulder, knee, and ankle


Publication Information


ACL-Posteroltaeral Corner Injury in a Skeletally Immature Athlete Mascarenhas R, Bonci G, Bowman KF, Forsythe B. Harner CD. Journal of Knee Surgery.

Medial Meniscus Tear Morphology and Chondral Degeneration of the Knee: Is There a Relationship? Henry S, Mascarenhas R, Kowalchuk DA, Forsythe B, Irrgang JJ, Harner CD. Arthroscopy Journal

Bone-patellar tendon-bone autograft versus hamstring autograft anterior cruciate ligament reconstruction in the young athlete: a retrospective matched analysis with 2-10 year follow-up. Mascarenhas R, Tranovich MJ, Kropf EJ, Fu FH, Harner CD. Knee Surg Sports Traumatol Arthrosc. 2011 Nov 3

Arthroscopic Rotator Cuff Repair with and without Acromioplasty in the Treatment of Full-Thickness Rotator Cuff Tears: A Multicenter, Randomized Controlled Trial. Macdonald P, McRae S, Leiter J, Mascarenhas R, Lapner P. J Bone Joint Surg Am. 2011 Nov 2;93(21):1953-60

Patellar Tendon Anterior Cruciate Ligament Reconstruction in the High-Demand Patient: Evaluation of Autograft Versus Allograft Reconstruction. Mascarenhas R, Tranovich MJ, Kropf EJ, Irrgang JJ, Fu FH, Harner CD. Arthroscopy Journal. 2010 Sep;26(9 Suppl):S58-66.

Semitendinosus Allograft Reconstruction of Chronic Biceps Femoris Rupture at the Knee. Mascarenhas R, McRae S, MacDonald PB. Journal of Knee Surgery. 2009 Oct;22(4):381-4.

Arthroscopic Treatment of MDI of the Shoulder in Athletes: A Retrospective Analysis with 2 to 5 Year Clinical Outcomes. Baker CL III, Mascarenhas R, Kline AJ, Chaabra A, Pombo MW, Bradley JP. American Journal of Sports Medicine. 2009 Sept;37(9)

The Manitoba arthroplasty waiting list: impact on health-related quality of life and initiatives to remedy the problem. Mascarenhas R. Journal of Evaluation in Clinical Practice. 2009 Feb;15(1):208-11

Current concepts in instrumented knee-laxity testing. Pugh L, Mascarenhas R, Arneja S, Chin PY, Leith JM. American Journal of Sports Medicine. 2009 Jan;37(1):199-210

Arthroscopic management of posterior shoulder instability: diagnosis, indications, and technique. Bradley JP, Forsythe B, Mascarenhas R. Clinics in Sports Medicine. 2008 Oct;27(4):649-70

Achilles Allograft Stabilization of the Shoulder in Refractory Multidirectional Shoulder Instability. Macdonald PB, Mcrae S, Leiter J, Mascarenhas R. Techniques in Shoulder and Elbow Surgery. 2008 June;9(2):60 65.

Achilles Allograft Stabilization of the Shoulder in Refractory Multidirectional Shoulder Instability Secondary to Ehlers Danlos Syndrome. Macdonald PB, Mascarenhas R. Pittsburgh Orthopedic Journal. 2008

Anterior cruciate ligament reconstruction: a look at prosthetics – past, present and possible future. Mascarenhas R, Macdonald PB. Mcgill Journal of Medicine. 2008 Jan;11(1):29-37.

Book Chapters

Approach to the Multiply Revised ACL knee. Stuart MJ, MacDonald PB, Mascarenhas R, Rhodes D. Revision ACL Reconstruction: Management and Surgical Technique. Springer, New York: 2012.

Transphyseal ACL Reconstruction in the Skeletally Immature Athlete. Mascarenhas R, Dillon D, MacDonald PB. The Knee: Current Concepts in Kinematics, Injury Patterns, and Treatment. Nova Publishing, New York: 2011.

Operative Treatment of Fractures of the Patella. Mascarenhas R, Vernon J, Graham C. Operative Techniques: Trauma Surgery. Saunders, New York: 2010.

Combined Injuries to the Posterior Cruciate Ligament and Medial Collateral Ligament of the Knee. Forsythe B, Mascarenhas R, Pombo MW, Harner CD. The Knee Joint: Surgical Techniques and Strategies. Springer, New York: 2010.

Techniques in Posterior Cruciate Ligament Reconstruction: An Arthroscopic Approach. Forsythe B, Mascarenhas R, Pombo MW, Harner CD. The Knee Joint: Surgical Techniques and Strategies. Springer, New York: 2010.

Transtibial Double-Bundle PCL Reconstruction. Pombo MW, Forsythe B, Mascarenhas R, Harner CD. Arthroscopic Techniques of the Knee: A Visual Guide. Slack Inc., Thoroface, NJ: 2009

Diagnosis and Treatment of Ligamentous Injuries of the Knee. Mascarenhas R, Kropf EJ, Harner CD. Mercer’s Textbook of Orthopedics and Trauma. 10th edition. Hodder-Arnold, London: 2009.


The Knee: Current Concepts in Kinematics, Injury Types, and Treatment Options. Editor: Mascarenhas R. Nova Publishing. New York, NY. 2012