Cited by 147Endometriosis Research and TreatmentGynecological conditions and treatmentsUterine Myomas and Treatments

A new concept of endometriosis and adenomyosis, tissue injury and repair (TIAR)

Leyendecker, Gerhard, Wildt, Ludwig·2011·hmbci

Abstract

Pelvic endometriosis, deeply infiltrating endometriosis and uterine adenomyosis share a common pathophysiology and may be integrated into the physiological mechanism and new nosological concept of ‘tissue injury and repair’ (TIAR) and may, in this context, just represent the extreme of a basically physiological, estrogen-related mechanism that is pathologically exaggerated in an extremely estrogen-sensitive reproductive organ. The acronym TIAR describes a fundamental and apparently ubiquitous biological system that becomes operative in mesenchymal tissues following tissue injury and, upon activation, results in the local production of estradiol. Endometriosis and adenomyosis are caused by trauma. In the spontaneously developing disease, chronic uterine peristaltic activity or phases of hyperperistalsis induce, at the endometrial-myometrial interface near the fundo-cornual raphe, microtraumatisations, with activation of the TIAR mechanism. With ongoing traumatisations, such sites of inflammation might accumulate and the increasingly produced estrogens interfere in a paracrine fashion with ovarian control over uterine peristaltic activity, resulting in permanent hyperperistalsis and a self-perpetuation of the disease process. Overt autotraumatisation of the uterus with dislocation of fragments of basal endometrium into the peritoneal cavity and infiltration of basal endometrium into the depth of the myometrial wall ensues. In most cases of endometriosis/adenomyosis a causal event early in the reproductive period of life must be postulated, rapidly leading to archimetral hyperestrogenism and uterine hyperperistalsis. In late premenopausal adenomyosis such an event might not have occurred. However, as indicated by the high prevalence of the disease, it appears to be unavoidable that, with time, chronic normoperistalsis throughout the reproductive period of life accumulates to the same extent of microtraumatisation. With activation of the TIAR mechanism followed by chronic inflammation and infiltrative growth, endometriosis/adenomyosis of the younger woman and premenopausal adenomyosis share in principal the same pathophysiology.

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Registry

Crossref · 10.1515/hmbci.2011.002

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  • Even within the TIAR framework, the pathogenesis of adenomyosis differs from that of endometriosis.

    “Regardless, even within the TIAR framework it seems evident that the pathogenesis of adenomyosis differs from that of endometriosis [28,29,30].”

    From The Pathogenesis of Adenomyosis vis-à-vis Endometriosis (2020) · cites this paper as [29]

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Authors
Leyendecker, G., & Wildt, L.
Affiliations
  • Kinderwunschzentrum (Fertility Center) Darmstadt, Darmstadt, Germany
  • Innsbruck Medical University (AT)
Corresponding author
Leyendecker, Gerhard
Venue
hmbci
Published
2011-03-01
Volume
5
Issue
2
Pages
125-142
ISSN
  • 1868-1883 (ISSN-L)
  • 1868-1891
OpenAlex
W2035745290
Cited by
147
References
124
Citations by year
2026: 15 · 2025: 7 · 2024: 14 · 2023: 17 · 2022: 23 · 2021: 19 · 2020: 22 · 2019: 4 · 2018: 11 · 2017: 4 · 2016: 5 · 2015: 3 · 2014: 2
FWCI
0.71
Type
journal article
Language
en
Open access
closed
Locations
  • Hormone Molecular Biology and Clinical Investigation (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Endometriosis Research and Treatment
  • Health Sciences › Medicine › Obstetrics and Gynecology › Gynecological conditions and treatments
  • Health Sciences › Medicine › Obstetrics and Gynecology › Uterine Myomas and Treatments
Keywords
endometriosis, adenomyosis, deep infiltrating endometriosis, tissue injury and repair, uterine peristalsis, estrogen, estradiol production, chronic inflammation, paracrine signaling, pathophysiology, disease classification

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