1. Transosseous Medial Meniscal Root Repair Using a Modified Mason-Allen Suture Configuration 
Chad D. Lavender, M.D., Shane R. Hanzlik, M.D., Paul E. Caldwell, M.D., Sara E. Pearson, Ph.D. 
Arthroscopy Techniques 
Volume 4, Issue 6, Pages e781-e784 (December 2015)
DOI: /j.eats
Copyright © 2016 Arthroscopy Association of North America Terms and Conditions

2. Fig 1
(A) Top view of the knee showing a medial meniscal posterior root tear. (B) Arthroscopic view of the right knee through the lateral portal showing a root tear of the posterior horn of the medial meniscus (arrow). (ACL, anterior cruciate ligament; PCL, posterior cruciate ligament.)
Arthroscopy Techniques 2015 4, e781-e784DOI: ( /j.eats )
Copyright © 2016 Arthroscopy Association of North America Terms and Conditions

3. Fig 2
(A) Top view and expanded inset of the knee showing a horizontal mattress stitch in the posterior root of the medial meniscal root tear. (B) Arthroscopic view of the right knee through the lateral portal showing shuttling of suture through the root of the posterior horn of the medial meniscus in preparation for repair.
Arthroscopy Techniques 2015 4, e781-e784DOI: ( /j.eats )
Copyright © 2016 Arthroscopy Association of North America Terms and Conditions

4. Fig 3
Top view and expanded inset of the knee showing a modified Mason-Allen stitch in the posterior root of the medial meniscal root tear.
Arthroscopy Techniques 2015 4, e781-e784DOI: ( /j.eats )
Copyright © 2016 Arthroscopy Association of North America Terms and Conditions

5. Fig 4
(A) Frontal and sagittal section views of the knee showing drilling of a tibial tunnel for suture passage for medial meniscal posterior root repair. (B) Arthroscopic view of the right knee through the lateral portal showing the FlipCutter drill (arrow) through the footprint of the root of the posterior horn of the medial meniscus.
Arthroscopy Techniques 2015 4, e781-e784DOI: ( /j.eats )
Copyright © 2016 Arthroscopy Association of North America Terms and Conditions

6. Fig 5
Arthroscopic view of the right knee through the lateral portal showing a repair of the posterior horn of the medial meniscal root tear using a modified Mason-Allen suture configuration (arrow).
Arthroscopy Techniques 2015 4, e781-e784DOI: ( /j.eats )
Copyright © 2016 Arthroscopy Association of North America Terms and Conditions

7. Fig 6
Top and sagittal section views and frontal expanded inset showing sutures passed through the tibial tunnel and tied over a button on the anterior cortex of the tibia for medial meniscal posterior root repair.
Arthroscopy Techniques 2015 4, e781-e784DOI: ( /j.eats )
Copyright © 2016 Arthroscopy Association of North America Terms and Conditions