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versión On-line ISSN 1028-4818


CEDENO GOMEZ, Lilier. Vertical patella dislocation. Multimed [online]. 2020, vol.24, n.6, pp.1387-1395.  Epub 04-Nov-2020. ISSN 1028-4818.


patella dislocation is the most common type of knee dislocation and consists of the patella suddenly moving to the side, leaving its normal position in the anterior area of the femur, another type of dislocation is extremely rare. Reduced easily in the emergency room with gentle manipulations without the need for anesthesia, sometimes the same patient is able to bring the patella into place.

Clinical case:

43-year-old male patient who, in the course of a soccer match, impacted another player suffering trauma to the inside of the left knee that left him lying on the floor with intense pain. He presented joint blockage of the knee in extension with inability to flex it, as well as deformity of the knee and slight edema. A rare case of intra-articular dislocation of the patella is diagnosed where the patella rotates 90 degrees on its vertical axis.


this case of intra-articular dislocation of a patella rotated in its vertical axis is characteristic in athletes, such as our patient, after suffering severe trauma to the joint. Cases produced by a trauma of less intensity have been presented, but they are extremely rare.


patellar inter-articular dislocation is a rare lesion that can surprise any orthopedist, so it is essential to carry out an adequate physical examination and radiological studies prior to treatment in order to avoid worse consequences.

Palabras clave : Kneecap; Intra-articular dislocation.

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