ArticleInternational journal of surgery case reports2026
Locked patellar dislocation due to osteophytes: two case reports with a focused literature review.
Article in International journal of surgery case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introduction: Locked patellar dislocation is a rare injury in which the patella becomes irreducible due to mechanical obstruction. Osteophytes have been increasingly recognized as a cause of irreducibility, but the mechanisms remain incompletely characterized. Case presentation: Case 1: A 41-year-old female sustained a locked lateral, vertical, intra-articular patellar dislocation following a motorcycle collision. An inferomedial patellar osteophyte was impacted against the medial femoral condyle and entrapped within soft tissue, requiring open reduction. Case 2: A 57-year-old female presented with a superior patellar dislocation during massage. An inferior patellar osteophyte was entrapped against the femoral intercondylar notch, successfully reduced using a modified disengagement-first maneuver. Clinical discussion: Both cases demonstrate distinct osteophyte-mediated pathomechanisms of irreducibility. In both patients, imaging before definitive treatment identified the mechanical block and guided the choice between closed and open reduction. Both patients achieved excellent functional outcomes. Conclusion: Osteophytes can transform a simple patellar dislocation into an irreducible locked injury. Imaging, particularly computed tomography when indicated, can identify the mechanical block and guide safe reduction.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.