Although the concept of a single elbow dislocation mechanism, in which all dislocations start from the lateral side of the elbow joint and progress to the medial side, has never been able to explain the various conflicting experimental and clinical observations thus far, new studies and proposals for a valid mechanism have not been reported. The new proposal for posteromedial and posterolateral dislocation of the elbow joint according to the authors' study and the new treatment algorithm based on this new study can explain the various clinical and experimental results that have been difficult to explain, and provide a reasonable approach to the treatment of elbow dislocations.
Dislocation of the metatarsophalangeal joint is rare due to the stability of the ligaments and soft tissue surrounding the joint. The authors have experienced lateral dislocation of the first metatarsophalangeal joint, which required surgery, accompanied by complete injuries of medial collateral ligament and capsule, contributing to medial stability, differing from posterior dislocation with intersesamoid complex rupture, with a review of the relevant literature and previous reported cases.
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Dislocation of the first metatarsophalangeal joint concomitant with Lisfranc joint dislocation in a 45-year-old man Kanoko Mizumoto, Tadashi Kimura, Makoto Kubota, Mitsuru Saito BMJ Case Reports.2021; 14(6): e243004. CrossRef
Rare Lateral Dislocation of the First Metatarsophalangeal Joint: A Case Report and Review of the Literature Amir Reza Vosoughi, Pascal F. Rippstein The Journal of Foot and Ankle Surgery.2017; 56(2): 375. CrossRef
A rare case of traumatic bilateral anterior and posterior dislocations of the hips occurred by passenger traffic accident . The right hip was dislocated posterosuperior to the right acetabulum with a linear acetabular posterior column tracture(Thompson and Epstein type IV) and left hip was dislocated anteroinferior to the left acetabulum(modified classification of Epstein type II A). The dislocations were successfully reduced by the Bigelows method for the right hip and the reverse Bigelows method for the left hip, and 4 weeks of Bucks traction was applied. He was able to return to full activity after 4 months. There was no sign of avascular necrosis at 3 years and 11 months follow-up.