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Rev. chil. radiol ; 16(3): 101-115, 2010. ilus, tab
Article in Spanish | LILACS | ID: lil-577500

ABSTRACT

La disfunción patelofemoral (DPF) es causa frecuente de consulta clínica y se refiere, a grandes rasgos, a una patología en la cual la patela falla en la correcta entrada en la tróclea. Es un tema en el que la terminología suele ser ambigua y confusa, debido entre otras cosas a la discrepancia entre la clínica y la imaginología. Además, la etiología de la DPF es multifactorial, incluyendo factores anatómicos locales, rotacionales y dinámicos, no existiendo tampoco claridad acerca de su real influencia. Desde el punto de vista imaginológico, existen innumerables publicaciones, con diferentes clasificaciones y mediciones descritas para las distintas técnicas, sin embargo, no hay un consenso amplio en relación a cuáles son las alteraciones anatómicas o los valores normales que el reporte imaginológico debiera incluir. Se realiza una revisión de la literatura existente y se propone para los pacientes con DPF, un estudio radiológico que considera los factores etiológicos anatómicos y un estudio tomográfico de segunda línea, que incluye estudio rotacional de extremidades inferiores, sistematizando las mediciones y puntos relevantes en una plantilla de informe.


Patellofemoral dysfunction (PFD) is a common cause for medical consultation and in a broad sense it refers to a condition in which the patella fails to engage securely in the trochlear groove. This is a topic in which terminology is often ambiguous and confusing due, inter alia, to the discrepancy between symptomatology, imaging findings and physical examination. In addition, PFD has a multifactorial etiology that includes local anatomical, rotational and dynamic factors, with no certainty about its real influence. From the imaging point of view, there are countless publications proposing different classifications and measurements obtained trough different imaging techniques; however, there is no consensus regarding what are the anatomical alterations or the normal values that imaging reports should include. A review of the existing literature is performed and we propose that patients with PFD should undergo both a radiological study comprising etiologic and anatomic factors and a second-line tomographic exploration including lower extremity rotational profiles. From the radiological and clinical viewpoints, relevant issues to be considered as well as assessments performed should be systematized and recorded in a report sheet.


Subject(s)
Humans , Knee Joint/physiopathology , Knee Joint , Biomechanical Phenomena , Patella/physiopathology , Patella , Knee Joint/pathology , Joint Instability , Patellar Dislocation , Rotation , Patella/pathology , Tomography, X-Ray Computed , Torsion, Mechanical , Severity of Illness Index
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