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Related Concept Videos

The Mammary Glands01:12

The Mammary Glands

The female breast is a hemispheric projection of variable size positioned anterior to the pectoralis major and serratus anterior muscles. A fascia layer composed of dense, irregular connective tissue connects it to these muscles.
Each breast features a pigmented projection known as the nipple, through which milk emerges via closely spaced openings of ducts, referred to as lactiferous ducts. Surrounding the nipple is a circular pigmented area of skin named the areola, which appears rough due to...

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Modeling Breast Cancer in Human Breast Tissue using a Microphysiological System
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Tuberous breast: Morphological study and overview of a borderline entity.

Marco Klinger1, Fabio Caviggioli, Francesco Klinger

  • 1Plastic Surgery Unit;

The Canadian Journal of Plastic Surgery = Journal Canadien De Chirurgie Plastique
|June 2, 2012
PubMed
Summary

This study reveals that altered collagen deposition is the primary cause of tuberous breast deformity, affecting both males and females. Genetic factors may also play a role in this condition.

Keywords:
BreastBreast diseasesGynecomastiaHistocytochemistry

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Area of Science:

  • Plastic Surgery
  • Histopathology
  • Dermatology

Background:

  • Tuberous breasts are a common congenital deformity with poorly understood etiologies.
  • Existing research focuses on surgical correction, lacking detailed structural analysis.
  • No prior histological studies have investigated the underlying tissue alterations.

Purpose of the Study:

  • To investigate the morphological and histological characteristics of tuberous breast tissue.
  • To elucidate the structural basis of tuberous breast deformity.
  • To explore potential etiological factors, including genetic influences.

Main Methods:

  • Histological analysis of mammary specimens from 27 patients (22 female, 5 male) with tuberous breasts.
  • Comparison with breast tissue from 6 normal females and 3 cases of gynecomastia.
  • Histochemical analysis to assess collagen characteristics.

Main Results:

  • A predominant histological subtype was identified, characterized by abundant collagen fibers and sparse fibroblasts.
  • Histochemical analysis revealed significant alterations in collagen arrangement and quantity within breast structures.
  • Histological findings in male subjects and twin cases supported the proposed etiology.

Conclusions:

  • Altered collagen deposition is strongly implicated as the primary cause of tuberous breast parenchyma modifications.
  • The histological features observed in male subjects corroborate the role of collagen alterations.
  • Genetic influences are suggested by the occurrence in homozygous twins, warranting further investigation.