“…The evidence that supports such assertion is that ontology is an advanced computational instrument which can be developed from a thesaurus (that is an index structure). Additionally, the information technology apparatuses represent the second greater category of research & development in the area of Radiology and Imaging Diagnosis, promoting technological innovation both at national and international levels (41) . The index developed by the present study is an intermediate tool which may serve as basis for a series of applications with repercussions on education, research and assistance, with potential utilization in the modeling of innovative technological inputs, particularly for the Brazilian reality (1,9,12,36,42-44) .…”