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Normal and pathological breast, the histological basis.

J M Guinebretière1, E Menet, A Tardivon

  • 1Department of Pathology, Centre René-Huguenin, 35 rue Dailly, 92210 Saint Cloud, France. jm.guinebretiere@stcloud-huguenin.org

European Journal of Radiology
|March 31, 2005
PubMed
Summary

Breast tissue composition influences benign and malignant pathologies. Hormonal regulation affects tissue changes, leading to diverse presentations of fibrocystic changes and carcinomas, impacting radiographic patterns.

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Area of Science:

  • Pathology
  • Radiology
  • Endocrinology

Background:

  • Breast tissue is a complex, heterogeneous structure influenced by hormonal cycles.
  • Hormones play a critical role in both normal breast development and the pathogenesis of breast diseases.
  • Benign lesions, particularly fibrocystic changes, are common and present with variable clinical and radiographic features.

Purpose of the Study:

  • To elucidate the relationship between breast tissue histology and radiographic patterns.
  • To understand the hormonal influences on benign and malignant breast pathologies.
  • To highlight the histological determinants of radiographic appearances in breast lesions.

Main Methods:

  • Histological examination of breast tissue samples.
  • Correlation of histological findings with radiographic imaging.

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  • Review of hormonal regulation mechanisms in breast tissue.

    • Main Results:

    • Fibrocystic changes, a common benign condition, exhibit diverse presentations due to variations in adenosis, fibrosis, cysts, and hyperplasia.
    • Adenofibromas, the most frequent benign tumors, are also subject to hormonal modifications.
    • Intra-ductal carcinoma incidence has increased with screening, often associated with calcification formation via active or passive mechanisms.
    • Invasive carcinomas display varied histological types, with stromal reactions (fibrous, inflammatory, vascular, mucinous) dictating lesion shape and radiographic appearance.

    Conclusions:

    • Histological features are crucial in determining the radiographic patterns of breast lesions.
    • Understanding hormonal influences is key to comprehending breast tissue pathology.
    • The interplay between tumor histology, stroma, and hormonal factors dictates the clinical and radiographic presentation of breast diseases.