Abstract
Bone age estimation is a procedure used in radiology and endocrinology for diagnostic purposes regarding malnutrition and growth abnormalities. Its effective implementation requires professional experience and time in the field; therefore, it is very useful to develop computer-assisted tools to help automate the estimation of bone age. This paper is a literature review of models, methodologies and developments presented as aids to professionals in estimating bone age. It is organized chronologically, emphasizes the innovations made by each author to implement this process and presents the techniques that each of them applied in their development