Objective.

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 of10 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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