Simultaneous patellar tendon avulsion fracture from both patella and tibial tuberosity: a case report

Yoon, Jung Hwan; Kim, Taik Sun; Kim, Soo Hyun; Noh, Haeng Kee; Oh, Jong Keon; Yoo, Jae Chul

doi:10.1007/s00167-006-0168-9

Cited by 15 publications

(13 citation statements)

References 10 publications

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“…Intraoperatively it was found that the fracture ran through the ossified patellar tendon similar to the description in the case report by Yoon et al 5. The weakest area is the junction between the ossified part and patella bone which ruptures on eccentric loading 5…”

Section: Discussionsupporting

confidence: 74%

“…Ectopic ossification in patellar tendon is often observed close to the tibial tuberosity in Osgood-Schlatter’s disease, small areas distal to the inferior pole of patella in Jumpers knee and in more extensive form in patella alta of an injured knee 5. Intraoperatively it was found that the fracture ran through the ossified patellar tendon similar to the description in the case report by Yoon et al 5. The weakest area is the junction between the ossified part and patella bone which ruptures on eccentric loading 5…”

Section: Discussionmentioning

confidence: 99%

“…Yoon et al describe a simultaneous bifocal patellar tendon rupture through both inferior patellar pole and tibial tuberosity 5. The ossification was found to be both at the proximal and distal patellar tendon.…”

Section: Discussionmentioning

confidence: 99%

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Ossified proximal patellar tendon rupture

2020

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Extensor mechanism injuries are not uncommon in young active individuals. Patellar tendon is a part of extensor mechanism of the knee which is commonly ruptured due to forced eccentric contraction against flexed knee. There have been reports of pathological changes in the patellar tendon which eventually lead to the rupture. The common pathologies include hypoxic tendinopathy, mucoid degeneration, calcific tendinopathy and tendolipomatosis. We report a rare case of ossified proximal patellar tendon rupture in a fit and active skittle player, who sustained indirect injury to knee while playing soccer. The rupture was confirmed on examination and radiographs. We discovered intraoperatively that the ruptured proximal patellar tendon was ossified which was sequentially repaired with two Krackow sutures, JuggerKnot suture anchor and finally augmented with Leeds Keio tape. Postoperatively, a knee brace was used to immobilise in knee extension with progressive increase in range of motion. This report supports the pool of evidence suggestive of patellar tendon pathology in causing ruptures.

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Section: Discussionsupporting

confidence: 74%

Section: Discussionmentioning

confidence: 99%

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Ossified proximal patellar tendon rupture

2020

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“…[11] who described a case in which the ossified tendon ruptured in a z-like fashion from the proximal medial aspect to the distal lateral aspect. This differs from our patient's condition in that he had a prior partial patellectomy and the ossified tendon avulsed completely from its insertion into the tibial tubercle alone.…”

Section: Discussionmentioning

confidence: 99%

Patellar tendon ossification after partial patellectomy: a case report

et al. 2010

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IntroductionPatellar tendon ossification is a rare pathology that may be seen as a complication after sleeve fractures of the tibial tuberosity, total patellectomy during arthroplasty, intramedullary nailing of tibial fractures, anterior cruciate ligament reconstruction with patellar tendon autograft and knee injury without fracture. However, its occurrence after partial patellectomy surgery has never been reported in the literature.Case presentationWe present the case of a 35-year-old Turkish man with a comminuted inferior patellar pole fracture that was treated with partial patellectomy. During the follow-up period, his patellar tendon healed with ossification and then ruptured from the inferior attachment to the tibial tubercle. The ossification was excised and the tendon was subsequently repaired.ConclusionTo the best of our knowledge, this is the first report of patellar tendon ossification occurring after partial patellectomy. Orthopaedic surgeons are thus cautioned to be conscious of this rare complication after partial patellectomy.

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“…11 Two adult cases have also been reported; a 72 year old male with bipolar avulsion of an ectopically ossified patellar tendon in an arthritic knee following a twisting injury 3 and a 90 year old diabetic female with concurrent inferior third patellar fracture and anterior tibial tuberosity fracture following a fall. 17 Diagnosis of avulsion fracture of the tibial tuberosity with associated patellar ligament avulsion requires an accurate history, thorough physical examination and appropriate imaging. To aid diagnosis, Frankl et al 4 recommended using plain lateral knee radiographs in extension and flexion, with an increased patellar to tibial distance in flexion indicating a combined injury.…”

Section: [ ( ) T D $ F I G ]mentioning

confidence: 99%