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Lectin binding in the male breast.

G C Raju1, Y S Lee

  • 1Department of Pathology, National University of Singapore, National University Hospital.

The Journal of Pathology
|September 1, 1988
PubMed
Summary

Lectins reveal similar carbohydrate-binding patterns in normal male breast tissue, gynaecomastia, and carcinoma. These patterns are not unique to male breast lesions and resemble those found in female breast tissues.

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Area of Science:

  • Biochemistry
  • Oncology
  • Histology

Background:

  • Male breast lesions are less common than female breast lesions.
  • Understanding carbohydrate distribution in male breast tissue is crucial for diagnosis.
  • Lectins are proteins that bind carbohydrates and can be used as markers.

Purpose of the Study:

  • To investigate the presence and distribution of lectin-binding carbohydrates in male breast lesions.
  • To compare lectin-binding patterns in normal male breast, gynaecomastia, and infiltrating carcinoma.
  • To assess if lectin-binding patterns are pathognomonic for male breast lesions.

Main Methods:

  • Studied 24 male breast lesions (10 normal, 10 gynaecomastia, 4 infiltrating carcinoma).
  • Included comparative analysis of female breast tissues (5 normal, 10 fibrocystic disease, 10 fibroadenoma, 10 carcinoma).
  • Utilized seven lectins: Glycine maximus (SBA), Dolichos biflorus (DBA), Triticum vulgaris (WGA), Concanavalia ensiformis (Con A), Lotus tetragonolobus (LTA), Arachis hypogaea (PNA), and Bandeiraea simplicifolia (BSAI) on formalin-fixed, paraffin-embedded tissues.

Main Results:

  • Lectin-binding patterns were observed in normal, gynaecomastia, and carcinoma tissues.
  • No lectin-binding pattern was found to be pathognomonic for any specific male breast lesion.
  • The observed lectin reactivity in male breast lesions was similar to patterns reported in female breast lesions.

Conclusions:

  • Lectin-binding carbohydrate distribution does not differentiate between normal, gynaecomastia, and carcinoma in male breast tissue.
  • The lectin-binding profiles in male breast lesions are comparable to those in female breast lesions.
  • Further research may be needed to identify specific markers for male breast lesions.

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