Your browser doesn't support javascript.
loading
Development of a Subtraction Processing Technology for Assistance in the Comparative Interpretation of Mammograms.
Kai, Chiharu; Kondo, Satoshi; Otsuka, Tsunehiro; Yoshida, Akifumi; Sato, Ikumi; Futamura, Hitoshi; Kodama, Naoki; Kasai, Satoshi.
Afiliación
  • Kai C; Department of Radiological Technology, Faculty of Medical Technology, Niigata University of Health and Welfare, Niigata City 950-3198, Japan.
  • Kondo S; Major in Health and Welfare, Graduate School of Niigata University of Health and Welfare, Niigata City 950-3198, Japan.
  • Otsuka T; Graduate School of Engineering, Muroran Institute of Technology, Muroran City 050-8585, Japan.
  • Yoshida A; Otsuka Breastcare Clinic, Tokyo 121-0813, Japan.
  • Sato I; Department of Radiological Technology, Faculty of Medical Technology, Niigata University of Health and Welfare, Niigata City 950-3198, Japan.
  • Futamura H; Major in Health and Welfare, Graduate School of Niigata University of Health and Welfare, Niigata City 950-3198, Japan.
  • Kodama N; Department of Nursing, Faculty of Nursing, Niigata University of Health and Welfare, Niigata City 950-3198, Japan.
  • Kasai S; Konica Minolta, Inc., Tokyo 100-7015, Japan.
Diagnostics (Basel) ; 14(11)2024 May 29.
Article en En | MEDLINE | ID: mdl-38893657
ABSTRACT
A comparative interpretation of mammograms has become increasingly important, and it is crucial to develop subtraction processing and registration methods for mammograms. However, nonrigid image registration has seldom been applied to subjects constructed with soft tissue only, such as mammograms. We examined whether subtraction processing for the comparative interpretation of mammograms can be performed using nonrigid image registration. As a preliminary study, we evaluated the results of subtraction processing by applying nonrigid image registration to normal mammograms, assuming a comparative interpretation between the left and right breasts. Mediolateral-oblique-view mammograms were taken from noncancer patients and divided into 1000 cases for training, 100 cases for validation, and 500 cases for testing. Nonrigid image registration was applied to align the horizontally flipped left-breast mammogram with the right one. We compared the sum of absolute differences (SAD) of the difference of bilateral images (Difference Image) with and without the application of nonrigid image registration. Statistically, the average SAD was significantly lower with the application of nonrigid image registration than without it (without 0.0692; with 0.0549 (p < 0.001)). In four subgroups using the breast area, breast density, compressed breast thickness, and Difference Image without nonrigid image registration, the average SAD of the Difference Image was also significantly lower with nonrigid image registration than without it (p < 0.001). Nonrigid image registration was found to be sufficiently useful in aligning bilateral mammograms, and it is expected to be an important tool in the development of a support system for the comparative interpretation of mammograms.
Palabras clave
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Diagnostics (Basel) Año: 2024 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Suiza
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Diagnostics (Basel) Año: 2024 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Suiza