37Rodríguez et al. Nueva metodología geométrica para evaluar la morfología del eritrocito normaL Nueva metodología geométrica para evaluar la morfología del eritrocito normalNew physical and mathematical methodology to evaluate the morphology of normal erythrocyte ResumenObjetivo. Desarrollar una nueva metodología para caracterizar la estructura del eritrocito normal mediante el espacio ocupado por el anillo del eritrocito normal caracterizado con el método de Box Counting. Método. se analizaron las imágenes de 20 extendidos de sangre periférica, cuyos eritrocitos fueron evaluados por un experto como normales. Se superpusieron dos rejillas Kp de 5 x 5 pixeles y Kg de 10 x 10 pixeles, para calcular el espacio ocupado por dos regiones del eritrocito estos son, el disco y centro de este, visto de manera frontal mediante el método de Box Counting.Resultados. Los espacios ocupados por la región del disco con la rejilla Kp variaron entre 47 y 56, la región del centro del eritrocito, varió entre 9 y 14. La dimensión fractal de estas dos regiones varió entre 0,941 y 1,115 para el disco, entre 0,652 y 1,222 para el centro. Conclusiones. La estructura del eritrocito normal puede ser caracterizada mediante el espacio ocupado por cada una de las regiones del eritrocito a partir de la geometría fractal.Palabras claves: matemáticas, fractales, hematología, eritrocito, morfofisiología, geometría. AbstractObjective. Develop a new methodology to characterize the structure of the normal erythrocyte through the space occupied by the ring of the normal erythrocyte characterized by the method of Box Counting. Method. Images of 10 peripheral blood smears were analysed, whose erythrocytes were evaluated by an expert as normal. There were superimposed two Kp grids of 5 x 5 pixels and Kg of 10 x 10 pixels, to calculate the space occupied by two regions of the erythrocyte which are, disc and centre of this, seen of way frontal by the method of Box Counting. Results. The spaces occupied by the disc region with grid Kp varied between 47 and 56, the central region of the erythrocyte, varied between 9 and 14. The fractal dimension of these two regions varied between 0,941 and 1,115 for the disc, between 0.652 and 1,222 for the centre. Conclusions. The normal erythrocyte structure can be characterized by the space occupied by the regions erythrocyte from fractal geometry.
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