Abstract

RODRIGUEZ, Javier et al. Mathematical characterization of Legg-Calve-Perthes disease through the fractal geometry. Rev Cubana Ortop Traumatol [online]. 2014, vol.28, n.1, pp. 58-69. ISSN 0864-215X.

Introduction: fractal geometry allows the objective measurement of irregular structures such as those of the human body. This geometry is applied to the development of a new methodology for characterization of front radiographic images for the evaluation of Legg-Calve-Perthes disease. Objectives: to develop a new methodology for the mathematical, objective and reproducible characterization of diagnostic radiography of Perthes disease from the front radiographic images of the hip joint by using the fractal geometry. Methods: descriptive and exploratory study that evaluated the morphology of the femur head through the fractal dimension estimated by the Box-Counting method, which was then applied to 20 radiographies of Legg-Calve-Perthes disease, thus establishing a new objective morphometric measure for this disease. Results: new objective reproducible morphometric measures of front radiographic images were reached to evaluate Perthes disease, taking fractual dimensions as a basis. Conclusions: fractal geometry allows the mathematical, objective and reproducible characterization of front radiographic images of the hip for the final evaluation of Perthes disease.

Keywords : fractal geometry; Perthes; radiography.

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