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Hormone Molecular Biology and Clinical Investigation

Editor-in-Chief: Chetrite, Gérard S.

Editorial Board: Alexis, Michael N. / Baniahmad, Aria / Beato, Miguel / Bouillon, Roger / Brodie, Angela / Carruba, Giuseppe / Chen, Shiuan / Cidlowski, John A. / Clarke, Robert / Coelingh Bennink, Herjan J.T. / Darbre, Philippa D. / Drouin, Jacques / Dufau, Maria L. / Edwards, Dean P. / Falany, Charles N. / Fernandez-Perez, Leandro / Ferroud, Clotilde / Feve, Bruno / Flores-Morales, Amilcar / Foster, Michelle T. / Garcia-Segura, Luis M. / Gastaldelli, Amalia / Gee, Julia M.W. / Genazzani, Andrea R. / Greene, Geoffrey L. / Groner, Bernd / Hampl, Richard / Hilakivi-Clarke, Leena / Hubalek, Michael / Iwase, Hirotaka / Jordan, V. Craig / Klocker, Helmut / Kloet, Ronald / Labrie, Fernand / Mendelson, Carole R. / Mück, Alfred O. / Nicola, Alejandro F. / O'Malley, Bert W. / Raynaud, Jean-Pierre / Ruan, Xiangyan / Russo, Jose / Saad, Farid / Sanchez, Edwin R. / Schally, Andrew V. / Schillaci, Roxana / Schindler, Adolf E. / Söderqvist, Gunnar / Speirs, Valerie / Stanczyk, Frank Z. / Starka, Luboslav / Sutter, Thomas R. / Tresguerres, Jesús A. / Wahli, Walter / Wildt, Ludwig / Yang, Kaiping / Yu, Qi


CiteScore 2018: 2.43

SCImago Journal Rank (SJR) 2018: 0.947
Source Normalized Impact per Paper (SNIP) 2018: 0.837

Online
ISSN
1868-1891
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Volume 5, Issue 2

Issues

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

Gerhard Leyendecker / Ludwig Wildt
  • Department of Obstetrics and Gynecology, University Clinic of Gynecological Endocrinology and Reproductive Medicine, Medical University Innsbruck, Innsbruck, Austria
  • Other articles by this author:
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Published Online: 2011-03-04 | DOI: https://doi.org/10.1515/HMBCI.2011.002

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.

Keywords: adenomyosis; chronic inflammation; endometrial estrogen; endometriosis; tissue injury and repair

About the article

Corresponding author: Gerhard Leyendecker, Kinderwunschzentrum (Fertility Center) Darmstadt, Bratustrasse 9, 64295 Darmstadt, Germany Tel.: +491718505490, Fax: +496151710363


Received: 2011-01-10

Accepted: 2011-01-12

Published Online: 2011-03-04

Published in Print: 2011-03-01


Citation Information: Hormone Molecular Biology and Clinical Investigation, Volume 5, Issue 2, Pages 125–142, ISSN (Online) 1868-1891, ISSN (Print) 1868-1883, DOI: https://doi.org/10.1515/HMBCI.2011.002.

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©2011, Gerhard Leyendecker et al., published by Walter de Gruyter Berlin New York. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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