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Tibial tuberosity-trochlear groove distance : does it measure up?

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Krishnan, Harry, Eldridge, Jonathan D., Clark, Damian, Metcalfe, Andrew J., Stevens, Jarrad M. and Mandalia, Vipul (2022) Tibial tuberosity-trochlear groove distance : does it measure up? Bone & Joint Open, 3 (3). pp. 268-274. doi:10.1302/2633-1462.33.BJO-2021-0107

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Official URL: http://dx.doi.org/10.1302/2633-1462.33.BJO-2021-01...

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Abstract

Recognized anatomic variations that lead to patella instability include patella alta and trochlea dysplasia. Lateralization of the extensor mechanism relative to the trochlea is often considered to be a contributing factor; however, controversy remains as to the degree this contributes to instability and how this should be measured. As the tibial tuberosity-trochlear groove (TT-TG) is one of most common imaging measurements to assess lateralization of the extensor mechanism, it is important to understand its strengths and weaknesses. Care needs to be taken while interpreting the TT-TG value as it is affected by many factors. Medializing tibial tubercle osteotomy is sometimes used to correct the TT-TG, but may not truly address the underlying anatomical problem. This review set out to determine whether the TT-TG distance sufficiently summarizes the pathoanatomy, and if this assists with planning of surgery in patellar instability.

Item Type: Journal Item
Subjects: R Medicine > RD Surgery
Divisions: Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School
Library of Congress Subject Headings (LCSH): Patella -- Dislocation, Patella -- Surgery, Pediatric orthopedics -- Research, Orthopedics
Journal or Publication Title: Bone & Joint Open
Publisher: British Editorial Society of Bone and Joint Surgery
ISSN: 2633-1462
Official Date: 24 March 2022
Dates:
DateEvent
24 March 2022Published
Volume: 3
Number: 3
Page Range: pp. 268-274
DOI: 10.1302/2633-1462.33.BJO-2021-0107
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access (Creative Commons)
Date of first compliant deposit: 19 July 2022
Date of first compliant Open Access: 20 July 2022

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