Objective: To non-invasively characterize ectopic uterine tissue (EUT) development in a modified autologous rat surgical model of endometriosis using magnetic resonance imaging (MRI).
Design: Investigational MRI study.
Setting: A pharmaceutical company.
Animal(s): Female Sprague Dawley rats.
Intervention(s): Uterine tissue was autotransplanted on the right peritoneal wall of rats. Rats were serially imaged after surgery and after endogenous hormone suppression, hormone supplementation, or ovariectomy. In addition, an MRI contrast agent was administered to examine EUT perfusion characteristics.
Main Outcome Measure(s): Changes in transplanted EUT volume and perfusion were monitored using MRI.
Result(s): The EUT growth could be readily monitored non-invasively by MRI. Although EUT growth was rapid during the initial 4 days after surgery, volume stabilized by the third week and maintained for at least 9 weeks after transplantation. The EUT volumes varied with the estrous cycle and were hormonally sensitive to ovariectomy, to Antide (GnRH antagonist), and to Antide followed by 17beta-E(2) supplementation. The use of an MRI contrast agent facilitated visualization of EUT wall perfusion.
Conclusion(s): MRI allows for noninvasive, dynamic evaluation of transplanted EUT growth in the rat. This reproducible model will allow for performing quantifiable pharmacologic studies in pre-clinical drug discovery for therapies targeting endometriosis.
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http://dx.doi.org/10.1016/j.fertnstert.2006.11.164 | DOI Listing |
Cureus
December 2024
Obstetrics and Gynecology, Shri B M Patil Medical College Hospital and Research Centre, BLDE (Deemed to be University), Vijayapura, IND.
Background Cervical cancer typically progresses over 10-20 years, making it a preventable disease and underscoring the importance of screening. In low-resource settings, Papanicolaou (Pap) smears and visual inspection with acetic acid (VIA) serve as primary screening tools. This study was conducted as part of the noncommunicable disease camps organized by the government of Karnataka, India.
View Article and Find Full Text PDFCureus
December 2024
Obstetrics and Gynecology, King Faisal University, Al Hasa, SAU.
Endometriosis is a chronic, inflammatory disease characterized by the presence of endometrial-like tissue outside the uterus, affecting women of reproductive age. It is linked with debilitating pain, infertility, and a notable impact on the patient's quality of life. This review aims to highlight the effectiveness of hormonal therapy, surgical procedures, and complementary therapies in managing endometriosis-related pain, providing a comprehensive overview of current treatment options and their implications for clinical practice.
View Article and Find Full Text PDFBioeng Transl Med
January 2025
Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Third Hospital of Shanxi Medical University, Tongji Shanxi Hospital Taiyuan China.
The endometrium, the inner lining of the uterus, assumes a crucial role in the female reproductive system. Disorders and injuries impacting the endometrium can lead to profound consequences, including infertility and compromised women's overall health. Recent advancements in stem cell research have opened new possibilities for the treatment and repair of endometrial issues.
View Article and Find Full Text PDFEndometriosis is a chronic disease characterised by the presence of endometrial tissue outside the uterine cavity, affecting 5-15% of women, especially those of reproductive age. The disease may manifest itself as dysmenorrhoea, dyspareunia, sterility and chronic pelvic pain, among other symptoms. Although it is not malignant, it shares some characteristics with cancer and can lead to epithelial ovarian carcinoma.
View Article and Find Full Text PDFJ Matern Fetal Neonatal Med
December 2025
Department of Obstetrics and Gynaecology, Riga Stradins University, Riga, Latvia.
Objectives: To compare the values of ultrasound and clinical parameters for predicting outcomes of induction of labor (IOL) among healthy nulliparous women with a singleton, term cephalic pregnancy.
Methods: The cervical length, cervical strain elastography, posterior cervical angle, head-perineum distance, Bishop score, and maternal parameters were assessed before IOL with a combined method-Foley catheter and Misoprostol perorally. The main outcome was vaginal delivery.
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