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Proceedings Paper

A prototype of mammography CADx scheme integrated to imaging quality evaluation techniques
Author(s): Homero Schiabel; Bruno R. N. Matheus; Michele F. Angelo; Ana Claudia Patrocínio; Liliane Ventura
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Paper Abstract

As all women over the age of 40 are recommended to perform mammographic exams every two years, the demands on radiologists to evaluate mammographic images in short periods of time has increased considerably. As a tool to improve quality and accelerate analysis CADe/Dx (computer-aided detection/diagnosis) schemes have been investigated, but very few complete CADe/Dx schemes have been developed and most are restricted to detection and not diagnosis. The existent ones usually are associated to specific mammographic equipment (usually DR), which makes them very expensive. So this paper describes a prototype of a complete mammography CADx scheme developed by our research group integrated to an imaging quality evaluation process. The basic structure consists of pre-processing modules based on image acquisition and digitization procedures (FFDM, CR or film + scanner), a segmentation tool to detect clustered microcalcifications and suspect masses and a classification scheme, which evaluates as the presence of microcalcifications clusters as well as possible malignant masses based on their contour. The aim is to provide enough information not only on the detected structures but also a pre-report with a BI-RADS classification. At this time the system is still lacking an interface integrating all the modules. Despite this, it is functional as a prototype for clinical practice testing, with results comparable to others reported in literature.

Paper Details

Date Published: 8 March 2011
PDF: 12 pages
Proc. SPIE 7963, Medical Imaging 2011: Computer-Aided Diagnosis, 796323 (8 March 2011); doi: 10.1117/12.877674
Show Author Affiliations
Homero Schiabel, Univ. of São Paulo (Brazil)
Bruno R. N. Matheus, Univ. of São Paulo (Brazil)
Michele F. Angelo, State Univ. of Feira de Santana (Brazil)
Ana Claudia Patrocínio, Federal Univ. of Uberlandia (Brazil)
Liliane Ventura, Univ. of São Paulo (Brazil)

Published in SPIE Proceedings Vol. 7963:
Medical Imaging 2011: Computer-Aided Diagnosis
Ronald M. Summers M.D.; Bram van Ginneken, Editor(s)

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