Resumo

COELHO, Cinthia  e  FLORES, Paulo Sergio. Influence of voxel size on the quality of tomography image: literature review. RFO UPF [online]. 2013, vol.18, n.3, pp. 361-364. ISSN 1413-4012.

Objective: the smallest thickness unit in the tomographic image is the voxel. This is set before image acquisition and may be changed in the search of quality tomographic images. Thus, this article aimed to perform a literature review on the influence of voxel size on the quality of tomography images. Literature review: the quality of the digital image affects the ability to identify and outline structures which are important for diagnosis. The image presenting proper quality provides enough information for the development of a diagnosis with acceptable level of safety and reliability. Within other parameters, the voxel size determined in tomographic image analysis is currently undergoing questioning, aiming to define the best contrast and sharpness to identify anatomical structures and pathological processes. Final considerations: the image suitable for diagnosis should always provide the highest security for its interpretation. Thus, one should always use the voxel size at the acquisition protocol best suited for the specific purpose of diagnosis.

Palavras-chave : Tomography; Quality control; Diagnostic imaging.