Imaging of individual anatomical risk factors for patellar instability

TJ Dietrich, SF Fucentese… - Seminars in …, 2016 - thieme-connect.com
This review article presents several pitfalls and limitations of image interpretation of
anatomical risk factors for patellar instability. The most important imaging examinations for …

Sulcus angle, trochlear depth, and dejour's classification can be reliably applied to evaluate trochlear dysplasia: a systematic review of radiological measurements

MF Saccomanno, E Maggini, N Vaisitti… - … : The Journal of …, 2023 - Elsevier
Purpose To summarize data on the reliability of available imaging criteria for the assessment
of trochlear dysplasia and to assess the methodological quality of the included studies …

Observer agreement on the Dejour trochlear dysplasia classification: a comparison of true lateral radiographs and axial magnetic resonance images

S Lippacher, D Dejour, M Elsharkawi… - … American Journal of …, 2012 - journals.sagepub.com
Background: Trochlear dysplasia is known to be an important cause of patellofemoral
instability. D. Dejour's radiographic and magnetic resonance imaging (MRI) classifications …

CT and MRI measurements of tibial tubercle–trochlear groove distances are not equivalent in patients with patellar instability

CL Camp, MJ Stuart, AJ Krych… - … American journal of …, 2013 - journals.sagepub.com
Background: Tibial tubercle–trochlear groove distance (TT-TG) is a commonly used
measurement for surgical decision making in patients with patellofemoral malalignment and …

Redefining trochlear dysplasia: normal thresholds vary by measurement technique, landmarks, and sex

MJ Tanaka, A Sodhi, I Wadhavkar… - … American Journal of …, 2023 - journals.sagepub.com
Background: Trochlear dysplasia is a known risk factor for patellar instability. Multiple
radiographic measurements exist to assess trochlear morphology, but the optimal …

Magnetic resonance imaging–based topographical differences between control and recurrent patellofemoral instability patients

MD Charles, S Haloman, L Chen… - … American journal of …, 2013 - journals.sagepub.com
Background: Plain films and computed tomography (CT)–based imaging were the first to
establish measurements that evaluated patellar instability. Limited research has shown the …

Magnetic resonance imaging assessment of tibial tuberosity–trochlear groove distance: normal values for males and females

S Pandit, C Frampton, J Stoddart, T Lynskey - International orthopaedics, 2011 - Springer
Purpose The aim of this study was to report normal values of the tibial tuberosity–trochlear
groove distance (TTTG) in males and females and assess the reliability of MRI in measuring …

Variation in tibial tubercle–trochlear groove measurement as a function of age, sex, size, and patellar instability

AT Pennock, M Alam, T Bastrom - The American journal of …, 2014 - journals.sagepub.com
Background: The tibial tubercle–trochlear groove (TT-TG) measurement was developed to
quantify morphologic abnormalities about the knee associated with patellar instability and to …

Patellar tracking: an old problem with new insights

RE Watts, T Gorbachova, RC Fritz, SS Saad, AM Lutz… - Radiographics, 2023 - pubs.rsna.org
Patellofemoral pain and instability are common indications for imaging that are encountered
in everyday practice. The authors comprehensively review key aspects of patellofemoral …

End-stage extension of the knee and its influence on tibial tuberosity-trochlear groove distance (TTTG) in asymptomatic volunteers

TJ Dietrich, M Betz, CWA Pfirrmann, PP Koch… - Knee Surgery, Sports …, 2014 - Springer
Purpose Increased tibial tuberosity-trochlear groove distance (TTTG) is one potential
correcting parameter in patients suffering from lateral patellar instability. It was hypothesized …