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2010, Number 3

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Med Sur 2010; 17 (3)

Ruptura traumática del tendón cuadricipital: Diagnóstico por resonancia magnética. Reporte de caso y revisión de la literatura

González GO, Gavito HA, Cosme LJE, Hernández Omaña J, Roldán-Valadez E

Language: Spanish
References: 21
Page: 146-151
PDF size: 225.73 Kb.


ABSTRACT

Objective. To expose a case of quadricipital tendon rupture and its diagnosis through magnetic resonance imaging (MRI). Introduction. Rupture of the extensor mechanism of the knee is a relatively uncommon injury that may result in considerable morbidity if not treated promptly. Clinical suspicion of this condition demands early and accurate diagnosis. Case Report. We present the case of a 57 years old male who suffered direct trauma in the distal third anterior aspect of the left thigh with a steady object after which he presented volume increase, disability for knee extension and for gait. Physical exam showed the increased volume accompanied by an extended hematoma, prepatelar edema, local tenderness, a shallow gap in topography of the quadriceps tendon and pain to passive and active knee flexion. Clinical diagnosis was quadriceps tendon tear and he was sent to our service for MR. We describe the image protocol and findings. Discussion. The noninvasiveness and accuracy of magnetic resonance (MR) imaging make it useful in detection of such tendinous ruptures, in some cases with higher sensitivity than ultrasound. The laminated configuration of the quadriceps tendon allows distinction between partial and complete tears; both may be accompanied by edema and hemorrhage. Multiplanarity and high contrast between tissues make the MR a very useful tool in the preoperatory evaluation of such injuries. Early intervention and adequate rehabilitation are essential for a better outcome.


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