A 15-Year-Old Boy
and Iain McNamara1 (1) Trauma & Orthopaedics, Norfolk & Norwich University Hospital, Norwich, United Kingdom History A 15-year-old boy presented to the clinic having had a dislocation of his left…
A 34-Year-Old Man
and Iain McNamara1 (1) Trauma & Orthopaedics, Norfolk & Norwich University Hospital, Norwich, United Kingdom A 34-year-old man presented to the clinic with a 7-year history of right anterior knee…
A 19-Year-Old Man
and Iain McNamara1 (1) Trauma & Orthopaedics, Norfolk & Norwich University Hospital, Norwich, United Kingdom A 19-year-old man presented with problems with his right knee that began at the age…
A 16-Year-Old Boy
and Iain McNamara1 (1) Trauma & Orthopaedics, Norfolk & Norwich University Hospital, Norwich, United Kingdom History A 16-year-old boy sustained an acute first-time dislocation to his left patella when he…
A 36-Year-Old Woman
and Iain McNamara1 (1) Trauma & Orthopaedics, Norfolk & Norwich University Hospital, Norwich, United Kingdom A 36-year-old medical secretary with recurrent left patellar dislocation since the age of 15 years…
Surgical Techniques to Avoid Patellar Maltracking in Total Knee Arthroplasty
Fig. 18.1 (a) In some ways the extensor mechanism under load is like a drawn bow: When the energy in the bow is released, the ends spring apart and the…
Valgus Knee: Severe Cases Included
Fig. 10.1 Anteroposterior and lateral X-rays of valgus knee demonstrating the biplanar (frontal and sagittal) bone wear of the lateral tibial plateau (red dotted lines) with distraction of the medial…
Complicated Cases: Recurvatum and Severe Contracture
Fig. 11.1 Osteophytes removal with a curved osteotome Fig. 11.2 Release of the posterior capsule We can either use a custom femorotibial spreader or a femoral suspension device introduced in…
Trouble Shooting: Intraoperative MCL Injury
Lesion type Frequency* Cause Reference Femoral avulsion 1/48 – [8] 1/16 Osteopenic patient [3] Mid-substance 24/48 – [8] 1/8 Transection with saw during tibial cut [9] 7/7 Unknown, possibly due…
Postoperative Changes in Soft Tissue Balance
Author Year of publication Type of implant Preoperative knee alignment Method of stress Degree of knee flexion Stress direction Angles between the femoral and tibial components (degrees) Intraoperative 3 weeks…
