Cited by 16Endometriosis Research and TreatmentGynecological conditions and treatmentsEndometrial and Cervical Cancer Treatments

Uterine Lymphatic and Blood Micro-Vessels in Women with Endometriosis through the Menstrual Cycle

Hey-Cunningham, Alison J., Ng, Foong Wei, Busard, Milou P.H., Berbic, Marina, Manconi, Frank, Young, Lawrence, Zevallos, Hector Barrera-Villa, Russell, Peter +2 more·2010·Journal of Endometriosis

Abstract

Purpose: Endometriosis is a common disease, associated with persistent and severe symptoms including infertility and pain, however, pathogenesis remains poorly understood. It has been hypothesized that fragments of viable endometrial tissue shed at menstruation reach the peritoneal cavity and other distant sites by retrograde menstruation and dissemination into the lymphatic system. In this study, uterine lymphatic and blood micro-vessel populations were compared in women with and without endometriosis during the menstrual cycle. Methods: Paraffin-embedded hysterectomy specimens from premenopausal women with histologically normal endometrium (37 control and 42 endometriosis) were obtained. Immunohistochemical staining was performed with antibodies for D2–40 (lymphatic endothelium), CD31 (pan-endothelial marker), and endoglin (activated endothelial cells in angiogenesis). Lymphatic (LVD) and blood (BVD) micro-vessel density were quantified with an automated cellular imaging system using color and morphometric properties to identify micro-vessels. Results: Subtle but significant differences in uterine BVD and LVD were detected in endometriosis. LVD was significantly increased in basal layer endometrium of endometriosis patients during the proliferative phase (mean ± SD = 54.3 ± 20.1 vs. 41.4 ± 9.9, p = 0.025). Endoglin-positive BVD was increased in the subepithelial region of endometrium in endometriosis during the secretory phase (19.3 ± 16.6 vs. 6.4 ± 8.2, p = 0.038). Conclusions: This report for the first time demonstrates that endometrial LVD is altered in women with endometriosis and supports changes in BVD in these women. These alterations are likely to contribute to pathogenesis of endometriosis, through lymphatic spread and increased angiogenic potential of shed endometrial fragments.

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Crossref · 10.1177/228402651000200404

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Authors
Hey-Cunningham, A. J., Ng, F. W., Busard, M. P. H., Berbic, M., Manconi, F., Young, L., Zevallos, H. B.-V., Russell, P., Markham, R., & Fraser, I. S.
Affiliations
  • Department of Obstetrics, Gynaecology and Neonatology, Queen Elizabeth II Research Institute for Mothers and Infants, University of Sydney, Sydney - Australia
  • The University of Sydney (AU)
Venue
Journal of Endometriosis
Published
2010-10
Volume
2
Issue
4
Pages
197-204
ISSN
  • 2035-9969 (ISSN-L)
  • 2036-282X
OpenAlex
W4233460300
Cited by
16
References
42
Citations by year
2020: 2 · 2019: 1 · 2018: 2 · 2016: 1 · 2015: 3 · 2014: 1 · 2013: 4 · 2012: 2
FWCI
2.29
Type
journal article
Language
en
Open access
closed
Locations
Journal of Endometriosis and Pelvic Pain Disorders (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 › Endometrial and Cervical Cancer Treatments
Keywords
endometriosis, uterine blood vessels, blood vessel density, menstrual cycle, CD105, angiogenesis, retrograde menstruation, endometrial shedding, endometrium, lymphatic spread

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