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[Sonography in breast diagnosis].

K Strasser1, W Buchberger, L Hamberger

  • 1Institut für Radiodiagnostik, Universität Innsbruck.

Der Radiologe
|March 1, 1990
PubMed
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Combining ultrasound and mammography accurately diagnoses 96.8% of malignant neoplasms. Mammography alone identified most cases, but ultrasound uniquely detected some, especially cystic lesions, potentially reducing biopsies.

Area of Science:

  • Radiology
  • Oncology
  • Diagnostic Imaging

Background:

  • Mammography is a standard screening tool for breast cancer.
  • Ultrasound is often used as a complementary diagnostic modality.
  • Accurate differentiation between benign and malignant masses is crucial for patient management.

Purpose of the Study:

  • To compare the diagnostic performance of ultrasound and mammography for tissue masses.
  • To evaluate the combined diagnostic contribution of both imaging techniques.
  • To assess the potential of ultrasound in reducing unnecessary invasive procedures.

Main Methods:

  • Prospective study design.
  • Inclusion of 235 histologically verified tissue masses.
  • Comparative analysis of mammography and ultrasound findings.

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Main Results:

  • Combined ultrasound and mammography achieved 96.8% accuracy in diagnosing malignant neoplasms.
  • Mammography alone detected 90.5% of malignant cases.
  • Ultrasound identified 4.8% of malignant cases not visible on mammography.
  • Ultrasound demonstrated superiority in diagnosing cystic lesions.

Conclusions:

  • Combined imaging significantly improves diagnostic accuracy for malignant neoplasms.
  • Ultrasound's effectiveness with cystic lesions may reduce the need for needle aspirations and biopsies.
  • Histological examination remains essential despite high diagnostic accuracy of imaging techniques.