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Tomassetti C, Johnson NP, Petrozza J, Abrao MS, Einarsson JI, Horne AW, Lee TTM, Missmer S, Vermeulen N, Zondervan KT, Grimbizis G, De Wilde RL. An international terminology for endometriosis, 2021 . Hum Reprod Open 2021; 2021:hoab029. [PMID: 34693033 PMCID: PMC8530702 DOI: 10.1093/hropen/hoab029] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 07/05/2021] [Indexed: 12/21/2022] Open
Abstract
STUDY QUESTION Can a set of terms and definitions be prepared on endometriosis that would be the basis for standardization in disease description, classification and research? SUMMARY ANSWER The current paper outlines a list of 49 terms and definitions in the field of endometriosis. WHAT IS KNOWN ALREADY Different classification systems have been developed for endometriosis, using different definitions for the disease, the different subtypes, symptoms and treatments. In addition, an International Glossary on Infertility and Fertility Care was published in 2017 by the International Committee for Monitoring Assisted Reproductive Technologies (ICMART) in collaboration with other organisations. STUDY DESIGN SIZE DURATION An international working group convened over the development of a classification or descriptive system for endometriosis. As a basis for such a system, a terminology for endometriosis was considered a condition sine qua non. The working group listed a number of terms relevant to be included in the terminology, documented currently used and published definitions, and discussed and adapted them until consensus was reached within the working group. Following stakeholder review, further terms were added, and definitions further clarified. PARTICIPANTS/MATERIALS SETTING METHODS Although definitions were collected through published literature, the final set of terms and definitions is to be considered consensus-based. After finalization of the first draft, the members of the international societies and other stakeholders were consulted for feedback and comments, which led to further adaptations. MAIN RESULTS AND THE ROLE OF CHANCE A list of 49 terms and definitions in the field of endometriosis is presented, including a definition for endometriosis and its subtypes, different locations, interventions, symptoms and outcomes. Endometriosis is defined as a disease characterized by the presence of endometrium-like epithelium and/or stroma outside the endometrium and myometrium, usually with an associated inflammatory process. LIMITATIONS REASONS FOR CAUTION Future research may require further refinement of the presented definitions. WIDER IMPLICATIONS OF THE FINDINGS The application of the defined terms aims to facilitate harmonization in endometriosis research and clinical practice. STUDY FUNDING/COMPETING INTERESTS The meetings and activities of the working group were funded by the American Association of Gynecologic Laparoscopists, European Society for Gynecological Endoscopy, European Society of Human Reproduction and Embryology and World Endometriosis Society. A.W.H. reports grant funding from the MRC, NIHR, CSO, Wellbeing of Women, Roche Diagnostics, Astra Zeneca, Ferring, Charles Wolfson Charitable Trust, Standard Life, Consultancy fees from Roche Diagnostics, AbbVie, Nordic Pharma and Ferring, outside the submitted work. In addition, A.W.H. has a patent Serum biomarker for endometriosis pending. N.P.J. reports personal fees from Abbott, Guerbet, Myovant Sciences, Vifor Pharma, Roche Diagnostics outside the submitted work; he is also President of the World Endometriosis Society and chair of the trust board. S.M. reports grants and personal fees from AbbVie, and personal fees from Roche outside the submitted work. C.T. reports grants, non-financial support and other from Merck SA, non-financial support and other from Gedeon Richter, non-financial support from Ferring Pharmaceuticals, outside the submitted work and without private revenue. K.T.Z. reports grants from Bayer Healthcare, MDNA Life Sciences, Roche Diagnostics Inc, Volition Rx, outside the submitted work; she is also a Board member (Secretary) of the World Endometriosis Society and World Endometriosis Research Foundation, Research Advisory Board member of Wellbeing of Women, UK (research charity), and Chair, Research Directions Working Group, World Endometriosis Society. J.P reports personal fees from Hologic, Inc., outside the submitted work; he is also a member of the executive boards of ASRM and SRS. The other authors had nothing to disclose. TRIAL REGISTRATION NUMBER N/A.
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Samartzis K, Kathopoulis N, Loutradis D, Protopapas A. Do techniques of surgical management of ovarian endometrioma affect ovarian reserve? A narrative review. J OBSTET GYNAECOL 2021; 42:778-784. [PMID: 34693862 DOI: 10.1080/01443615.2021.1962817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Endometriotic ovarian cysts are one of the more common gynecological disorders found in reproductive-aged and infertile women. The aim of this review is to summarise information regarding the effect of surgical treatment of endometrioma on ovarian reserve. In women with endometrioma ovarian reserve is decreased compared to similarly aged healthy women and surgical management techniques cause an additional reduction. Evidence suggests that laparoscopic ovarian cystectomy via stripping is the preferable surgical technique for management of endometrioma, compared with excisional/ablative techniques, in the fields of pain improvement, spontaneous pregnancy rates, and ovarian cyst recurrences. Ablation techniques, combined technique and three-step approach demonstrate a less decline in anti-Müllerian hormone postoperatively. A successful operation involves not only removal of ovarian pathology, but also maintenance of ovarian function and future reproductive potential. Patients should be counselled about the risks of surgery and the management plan should be individualised to patient's symptoms and reproductive goals.
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Araujo RSDC, Maia SB, Baracat CMF, Fernandes CQBDA, Ribeiro HSAA, Ribeiro PAAG. Ovarian function following use of various hemostatic techniques during treatment for unilateral endometrioma: A randomized controlled trial. Int J Gynaecol Obstet 2021; 157:549-556. [PMID: 34478564 DOI: 10.1002/ijgo.13912] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 08/09/2021] [Accepted: 09/02/2021] [Indexed: 01/09/2023]
Abstract
OBJECTIVE To compare the effect of hemostatic techniques (bipolar energy versus hemostatic sealants versus suture) on the ovarian reserve of patients submitted to laparoscopic cystectomy for the surgical excision of unilateral endometrioma. METHODS A randomized controlled trial conducted in a teaching hospital included 84 patients with unilateral endometrioma. The patients underwent laparoscopic stripping for excision of the unilateral endometrioma between March 2018 and February 2020. Three different hemostatic techniques-bipolar energy (Group 1), hemostatic sealants (Group 2), and suture (Group 3)-were compared. Anti-Müllerian hormone (AMH) levels were measured before, and 1 and 6 months after surgery to determine changes in ovarian function. RESULTS Following surgery, AMH levels decreased in all the groups; however, this decrease was not statistically significant. Comparison between groups showed no statistically significant differences in AMH levels between the three hemostatic techniques used. Six months after surgery, median AMH levels were: 1.65 ng/mL (interquartile range [IQR] 0.62-2.08 ng/mL) in Group 1, 1.87 ng/mL (IQR 1.27-2.97 ng/mL) in Group 2, and 1.53 ng/mL (IQR 1.18-2.44 ng/mL) in Group 3. CONCLUSION The present study suggests that there is no difference between the different hemostatic techniques used in laparoscopic cystectomy for the treatment of unilateral endometriomas. Registered at ClinicalTrials.gov: NCT03430609. https://clinicaltrials.gov/ct2/show/NCT03430609.
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Araujo RSDC, Maia SB, Lúcio JD, de Lima MD, Ribeiro HSAA, Ribeiro PAAG. Mapping of endometriosis in patients with unilateral endometrioma. Medicine (Baltimore) 2021; 100:e26979. [PMID: 34414974 PMCID: PMC8376365 DOI: 10.1097/md.0000000000026979] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 07/27/2021] [Indexed: 01/04/2023] Open
Abstract
To map the distribution of the sites most affected by endometriosis in patients with unilateral ovarian endometriomas.A descriptive case series of 84 patients with unilateral endometriomas undergoing laparoscopy for the treatment of endometriosis. To evaluate the distribution of the sites of endometriosis lesions, the peritoneal compartments were divided into 5 zones: zone 1/the anterior compartment, including the anterior uterine serosa, vesicouterine fold, round ligament, and bladder; zone 2/the lateral compartment, including the left and right ovary, ovarian fossa, tubes, mesosalpinx, uterosacral ligaments, parametrium, and the ureter; zone 3/the posterior compartment, including posterior uterine serosa, the pouch of Douglas, posterior vaginal fornix, and bowel; zone 4 consisting of the abdominal wall; and zone 5 consisting of the diaphragm.Of the 5 zones evaluated, the lateral compartment (zone 2) was the most affected, with 60.7% of the patients having dense adhesions around the left ovarian fossa and 57.1% around the right ovarian fossa. The ovarian endometriomas were more commonly found on the left side (54.8%) compared to the right (45.2%). In the posterior compartment (zone 3), the posterior cul-de-sac was obliterated in 51.2% of the patients. In the anterior compartment (zone 1), there were lesions in the vesicouterine fold in 30.9% of the patients and in the bladder in 19%. Lesions were found in the abdominal wall (zone 4) and diaphragm (zone 5) in 21.4% and 10.7% of patients, respectively.Unilateral endometriomas are important markers of the severity of endometriosis.
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External Validation of the IOTA Classification in Women with Ovarian Masses Suspected to Be Endometrioma. J Clin Med 2021; 10:jcm10132971. [PMID: 34279456 PMCID: PMC8269298 DOI: 10.3390/jcm10132971] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 06/24/2021] [Accepted: 06/27/2021] [Indexed: 01/04/2023] Open
Abstract
The study aimed to perform external validation of the International Ovarian Tumor Analysis (IOTA) classification of adnexal masses as benign or malignant in women with suspected endometrioma. A retrospective study including women referred to an endometriosis tertiary referral center for dedicated transvaginal ultrasound (TVUS). Adnexal masses were evaluated using the IOTA classification simple descriptors, simple rules and expert opinion. The reference standard was definitive histology after mass removal at laparoscopy. In total, 621 women were evaluated and divided into four groups: endometrioma on TVUS and confirmed on surgery (Group 1 = 181), endometrioma on TVUS but other benign cysts on surgery (Group 2 = 9), other cysts on TVUS but endometrioma on surgery (Group 3 = 2), masses classified as other findings or suspicious for malignancy on TVUS and confirmed on surgery (Group 4 = 5 potentially malignant, 11 benign). This gave a sensitivity 98.9%, specificity 64%, positive 95.3% and negative 88.9% predictive values, positive 2.74 and negative 0.02 likelihood ratios and 94.7% overall accuracy. The surgical diagnosis for the five masses suspected to be malignant was: borderline serous tumor (2), borderline mucinous tumor (2), and endometrioid lesion with complex hyperplasia without atypia (1). The conclusions were that the IOTA classification simple descriptors, simple rules and expert opinion performs well for classifying adnexal masses suspected to be endometrioma. The most common potentially malignant masses in these women were borderline ovarian tumors.
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Ahmad ZA, Ramly F, Mohd Zahid AZ, Abdullah B, Abdul Hafidz MI. Endometrioma Presented as Acute Abdomen in a Peritoneal Dialysis Patient: A Case Report and Literature Review. Int J Womens Health 2021; 13:639-644. [PMID: 34234575 PMCID: PMC8254543 DOI: 10.2147/ijwh.s304818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 05/25/2021] [Indexed: 11/23/2022] Open
Abstract
Laparoscopic management in patients on peritoneal dialysis offers good postoperative outcome and early resumption to peritoneal dialysis. This is a report of a 43-year-old woman with end-stage kidney disease on peritoneal dialysis presented with left iliac fossa pain due to a large endometrioma. Emergency diagnostic laparoscopy was performed with careful laparoscopic entry, Tenckhoff catheter care and anti-adhesive application. The patient underwent temporary hemodialysis for two weeks before full resumption to peritoneal dialysis. She was planned for GnRH analogue for three months post-operatively. In conclusion, laparoscopy is a safe and advantageous route of surgery for ovarian endometrioma in patients on peritoneal dialysis. However, mindful surgical strategies are needed to ensure the Tenckhoff catheter's longevity and early resumption to peritoneal dialysis post-operatively.
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Ștefan RA, Ștefan PA, Mihu CM, Csutak C, Melincovici CS, Crivii CB, Maluțan AM, Hîțu L, Lebovici A. Ultrasonography in the Differentiation of Endometriomas from Hemorrhagic Ovarian Cysts: The Role of Texture Analysis. J Pers Med 2021; 11:jpm11070611. [PMID: 34203314 PMCID: PMC8306221 DOI: 10.3390/jpm11070611] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 06/21/2021] [Accepted: 06/25/2021] [Indexed: 01/08/2023] Open
Abstract
The ultrasonographic (US) features of endometriomas and hemorrhagic ovarian cysts (HOCs) are often overlapping. With the emergence of new computer-aided diagnosis techniques, this is the first study to investigate whether texture analysis (TA) could improve the discrimination between the two lesions in comparison with classic US evaluation. Fifty-six ovarian cysts (endometriomas, 30; HOCs, 26) were retrospectively included. Four classic US features of endometriomas (low-level internal echoes, perceptible walls, no solid components, and less than five locules) and 275 texture parameters were assessed for every lesion, and the ability to identify endometriomas was evaluated through univariate, multivariate, and receiver operating characteristics analyses. The sensitivity (Se) and specificity (Sp) were calculated with 95% confidence intervals (CIs). The texture model, consisting of seven independent predictors (five variations of difference of variance, image contrast, and the 10th percentile; 100% Se and 100% Sp), was able to outperform the ultrasound model composed of three independent features (low-level internal echoes, perceptible walls, and less than five locules; 74.19% Se and 84.62% Sp) in the diagnosis of endometriomas. The TA showed statistically significant differences between the groups and high diagnostic value, but it remains unclear if the textures reflect the intrinsic histological characteristics of the two lesions.
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Sud S, Buxi TBS, Sheth S, Ghuman SS. Endometriosis and Its Myriad Presentations: Magnetic Resonance Imaging-Based Pictorial Review. Indian J Radiol Imaging 2021; 31:193-202. [PMID: 34316127 PMCID: PMC8299511 DOI: 10.1055/s-0041-1729670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Endometriosis is a major cause of infertility and pain in females in the reproductive age group. It is a result of ectopic functional endometrial cells outside the uterus. It consists of a spectrum of findings from superficial to deep implants initiating a fibrotic response and resulting in adhesions. Diagnosis of endometriosis is based on clinical history, noninvasive and invasive techniques. The final diagnosis is based on laparoscopy with histopathological confirmation. Ultrasonography is the first line of investigation, followed by magnetic resonance imaging (MRI) in complex cases. MRI is a noninvasive, multiplanar technique that involves no radiation and provides excellent delineation of the disease process. As deep endometriosis has a similar low signal to adjacent normal organs, it can be easily overlooked by radiologists. They should be aware of the spectrum of diseases so as to provide a roadmap for the surgeons. A structured reporting system helps radiologists organize and standardize their reports.
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Lupean RA, Ștefan PA, Lebovici A, Csutak C, Rusu GM, Mihu CM. Differentiation of Endometriomas from Hemorrhagic Cysts at Magnetic Resonance: The Role of Quantitative Signal Intensity Measurements. Curr Med Imaging 2021; 17:524-531. [PMID: 33115394 DOI: 10.2174/1573405616999201027211132] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 07/26/2020] [Accepted: 08/12/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Endometriomas and functional hemorrhagic cysts (FHCs) are a common gynecological encounter. OBJECTIVE This study aimed to assess the diagnostic efficiency of magnetic resonance imaging (MRI) using signal intensity measurements in differentiating endometriomas from FHCs. METHODS Forty-six patients who underwent pelvic MRI examinations (endometriomas, n=28; FHCs, n=18) were retrospectively included. The "T2 shading" sign was evaluated subjectively and quantitatively by measuring the T1-T2 signal intensity difference and calculating the percentage of signal decrease between T1 and T2-weighted sequences. The resulted values, along with the measurement of the Apparent Diffusion Coefficient (ADC) and the signal intensity on three diffusion- weighted sequences (DWI) (b50, b400, and b800), were compared between groups by using the Mann-Whitney U test. Also, the receiver operating characteristic analysis was performed for the statistically significant results (P<0.016), and the area under the curve (AUC) was also calculated. RESULTS The two quantitative assessment methods showed similar efficiency in detecting endometriomas (P<0.001; sensitivity, 100%; specificity, 81.82%; AUC>0.86), outperforming the classic subjective evaluation of the "T2 shading" sign (sensitivity, 92.86%; specificity, 66.67%). ADC (P=0.52) and DWI measurements (P=0.49, P=0.74, and P=0.78) failed to distinguish between the two entities. CONCLUSION The quantitative analysis and interpretation of the "T2 shading" sign can significantly improve the differential diagnosis between endometriomas and FHCs.
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Stevens K, Wasfie T, F Haus C. Colonic Endometriosis: A Study of Near Obstructing Sigmoid Endometrioma. Am Surg 2021:3134821989039. [PMID: 33998319 DOI: 10.1177/0003134821989039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A 41-year-old woman had a near-obstructing endometrioma involving the distal sigmoid colon treated with en bloc removal of the involved segment of colon and the adherent adnexa.
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Ponandai-Srinivasan S, Saare M, Boggavarapu NR, Frisendahl C, Ehrström S, Riethmüller C, García-Uribe PA, Rettkowski J, Iyengar A, Salumets A, Lalitkumar PGL, Götte M, Gemzell-Danielsson K. Syndecan-1 modulates the invasive potential of endometrioma via TGF-β signalling in a subgroup of women with endometriosis. Hum Reprod 2021; 35:2280-2293. [PMID: 32897364 DOI: 10.1093/humrep/deaa164] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 05/19/2020] [Indexed: 12/19/2022] Open
Abstract
STUDY QUESTION What is the physiological role of transforming growth factor-beta (TGF-β1) and syndecans (SDC1, SDC4) in endometriotic cells in women with endometriosis? SUMMARY ANSWER We observed an abnormal, pro-invasive phenotype in a subgroup of samples with ovarian endometriosis, which was reversed by combining gene silencing of SDC1 with the TGF-β1 treatment. WHAT IS KNOWN ALREADY Women with endometriosis express high levels of TGF-β1 and the proteoglycan co-receptors SDC1 and SDC4 within endometriotic cysts. However, how SDC1 and SDC4 expression is regulated by TGF-β1 and the physiological significance of the high expression in endometriotic cysts remains unknown as does the potential role in disease severity. STUDY DESIGN, SIZE, DURATION We utilized a pre-validated panel of stem- and cancer cell-associated markers on endometriotic tissue (n = 15) to stratify subgroups of women with endometriosis. Furthermore, CD90+CD73+CD105+ (SC+) endometriotic stromal cells from these patient subgroups were explored for their invasive behaviour in vitro by transient gene inhibition of SDC1 or SDC4, both in the presence or absence of TGF-β1 treatment. PARTICIPANTS/MATERIALS, SETTING, METHODS Endometriotic cyst biopsies (n = 15) were obtained from women diagnosed with ovarian endometriosis (ASRM Stage III-IV). Gene expression variability was assessed on tissue samples by applying gene clustering tools for the dataset generated from the pre-validated panel of markers. Three-dimensional (3D) spheroids from endometriotic SC+ were treated in vitro with increasing doses of TGF-β1 or the TGFBRI/II inhibitor Ly2109761 and assessed for SDC1, SDC4 expression and in vitro 3D-spheroid invasion. Transcriptomic signatures from the invaded 3D spheroids were evaluated upon combining transient gene silencing of SDC1 or SDC4, both in presence or absence of TGF-β1 treatment. Furthermore, nanoscale changes on the surface of endometriotic cells were analysed after treatment with TGF-β1 or TGFBRI/II inhibitor using atomic force microscopy. MAIN RESULTS AND THE ROLE OF CHANCE Gene clustering analysis revealed that endometriotic tissues displayed variability in their gene expression patterns; a small subgroup of samples (2/15, Endo-hi) exhibited high levels of SDC1, SDC4 and molecules involved in TGF-β signalling (TGF-β1, ESR1, CTNNB1, SNAI1, BMI1). The remaining endometriotic samples (Endo-lo) showed a uniform, low gene expression profile. Three-dimensional spheroids derived from Endo-hi SC+ but not Endo-lo SC+ samples showed an aberrant expression of SDC1 and exhibited enhanced 3D-spheroid invasion in vitro, upon rhTGF-β1 treatment. However, this abnormal, pro-invasive response of Endo-hi SC+ was reversed upon gene silencing of SDC1 with the TGF-β1 treatment. Interestingly, transcriptomic signatures of 3D spheroids silenced for SDC1 and consecutively treated with TGF-β1, showed a down-regulation of cancer-associated pathways such as WNT and GPCR signalling. LARGE SCALE DATA Transcriptomic data were deposited in NCBI's Gene Expression Omnibus (GEO) and could be retrieved using GEO series accession number: GSE135122. LIMITATIONS, REASONS FOR CAUTION It is estimated that about 2.5% of endometriosis patients have a potential risk for developing ovarian cancer later in life. It is possible that the pro-oncogenic molecular changes observed in this cohort of endometriotic samples may not correlate with clinical occurrence of ovarian cancer later in life, thus a validation will be required. WIDER IMPLICATIONS OF THE FINDINGS This study emphasizes the importance of interactions between syndecans and TGF-β1 in the pathophysiology of endometriosis. We believe that this knowledge could be important in order to better understand endometriosis-associated complications such as ovarian cancer or infertility. STUDY FUNDING/COMPETING INTEREST(S) This study was funded by Cancerfonden (CAN 2016/696), Radiumhemmets Forskningsfonder (Project no. 154143 and 184033), EU MSCA-RISE-2015 project MOMENDO (691058), Estonian Ministry of Education and Research (IUT34-16), Enterprise Estonia (EU48695) and Karolinska Institute. Authors do not have any conflict of interest.
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Does Ovarian Endometriosis Increase Oocyte Sensitivity to ICSI-Induced Mechanical Damage? J Clin Med 2021; 10:jcm10081757. [PMID: 33919510 PMCID: PMC8073272 DOI: 10.3390/jcm10081757] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/14/2021] [Accepted: 04/16/2021] [Indexed: 11/24/2022] Open
Abstract
Some studies have shown that ICSI obtains poorer results than conventional IVF in women with ovarian endometriosis, suggesting that oocytes could be sensitive to ICSI-induced mechanical damage. The aims of this study were to clarify (a) whether ovarian endometriosis could induce peculiar fragility in the oocyte, so that ICSI would finally result harmful, and (b) whether endometrioma removal before IVF could be advisable in order to avoid any hypothetical detrimental effect. We retrospectively studied 368 women, 203 with in situ endometrioma (128 of which underwent ICSI, 75 conventional IVF) and 164 who received laparoscopic stripping of endometrioma before ICSI. For women with in situ endometrioma, cIVF and ICSI outcome was comparable for all parameters studied, including the clinical pregnancy rate per embryo transfer (PR/ET: 31.8% vs. 39.5% in the cIVF and ICSI groups) and cumulative live birth rate per ovum pick-up (CLBR/OPU: 24.4% vs. 27.7%). ICSI outcome was similar comparing women with in situ endometrioma and women previously submitted to laparoscopic stripping of cysts (CLPR/OPU 27.7% vs. 25.3%). Our findings suggest that (a) in women with in situ endometrioma ICSI may be performed, when needed, without harming oocytes and compromising the outcome and (b) that there is no advantage in removing endometrioma before ICSI.
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Chen PC, Cheng CH, Ding DC. Primary inguinal subcutaneous endometriosis accompanied with an inguinal hernia: A case report. Medicine (Baltimore) 2021; 100:e25460. [PMID: 33832157 PMCID: PMC8036060 DOI: 10.1097/md.0000000000025460] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 03/18/2021] [Indexed: 01/05/2023] Open
Abstract
RATIONALE We report a case with inguinal subcutaneous endometriosis without typical cyclic dysmenorrhea and accompanied with a hernia sac treated with resection of the tumor and herniorrhaphy. PATIENT CONCERNS A 40-year-old woman had a painless enlarged inguinal nodule for 3 months. DIAGNOSES Subcutaneous endometriosis accompanied with a hernia sac. INTERVENTIONS Ultrasonography showed a hypoechoic lesion (3.0 cm × 2.0 cm), and an inguinal subcutaneous tumor was first suspected. After surgical exploration, a cystic lesion was excised and the hernia hole was repaired by herniorrhaphy. The immunohistochemical analysis of the small endometriotic cyst-like lesion revealed calretinin (-) in epithelial cells and CD10 (+) in stromal cells, indicative of subcutaneous endometriosis accompanied with a hernia sac. OUTCOMES The patient was followed up for 1 year and without recurrence. LESSONS Cutaneous endometriosis accompanied with a hernia sac can be presented without typical endometriosis-associated symptoms such as dysmenorrhea. Inguinal endometriosis might be the differential diagnosis of inguinal painless nodules.
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Stefanou SK, Tepelenis K, Stefanou CK, Gogos-Pappas G, Tsalikidis C, Vlachos K. Abdominal wall endometriosis: a case report. J Surg Case Rep 2021; 2021:rjab055. [PMID: 33854758 PMCID: PMC8024042 DOI: 10.1093/jscr/rjab055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 01/08/2021] [Accepted: 03/20/2021] [Indexed: 11/13/2022] Open
Abstract
Abdominal wall endometriosis has an incidence of 0.3–1% of extrapelvic disease. Α 48-year-old female appeared in the emergency department with cellulitis in a lower midline incision. She had an endometrioma of the anterior abdominal wall removed 2 years ago. After 5 months, she underwent an open repair of an incisional hernia with a propylene mesh, which was unfortunately infected and removed 1 month later. Finally, in July 2019, she had her incisional hernia repaired with a biological mesh. Imaging modalities revealed a large mass below the umbilicus. Mass was punctured under ultrasound guidance. Cytology reported the recurrence of endometriosis. Pain and abdominal mass associating with menses were the two most typical symptoms. Wide local excision of the mass with at least 1 cm negative margins is the preferred treatment. Surgeons should maintain a high suspicion of the disease in reproductive women with circular pain, palpable abdominal mass and history of uterine-relating surgery.
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Necula D, Gmuer A, Mathis J. The impact of endometriosis on the outcome of assisted reproductive techniques: role of fertility preservation. Horm Mol Biol Clin Investig 2021; 43:113-121. [PMID: 33691349 DOI: 10.1515/hmbci-2020-0082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 02/18/2021] [Indexed: 11/15/2022]
Abstract
Endometriosis is one of the most common diseases associated with infertility. It requires different therapeutic approaches, depending on the type, whether superficial, ovarian or deep endometriotic nodules, clinical presentation, age or origin of infertility. Patients with endometriosis should be considered a group of high-risk for infertility and any intervention should be planned taking this consideration into account. For many years, surgery was the only tool in improving fertility outcomes. Nowadays, it remains the gold standard for the treatment of endometriosis, but it should be carefully used because of its harmful potential, leading to premature ovarian insufficiency and further infertility. With the development of modern assisted reproductive techniques (ART), which can offer better results in terms of fertility, the role of surgery progressively decreased. Nowadays, therapeutic approach is complex and multidisciplinary teams should be guiding individual treatment for each woman. Options include medical treatment, surgery, in vitro fertilization (IVF) or oocytes/embryo/ovarian tissue cryopreservation. There is a constant effort in developing diagnostic scores, in order to predict risk of infertility and create standard of practice, offering a long-term approach in terms of fertility preservation and quality of life.
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Chen J, Huang D, Zhang J, Shi L, Li J, Zhang S. The effect of laparoscopic excisional and ablative surgery on ovarian reserve in patients with endometriomas: A retrospective study. Medicine (Baltimore) 2021; 100:e24362. [PMID: 33607770 PMCID: PMC7899828 DOI: 10.1097/md.0000000000024362] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 12/21/2020] [Indexed: 01/05/2023] Open
Abstract
This study investigates the effect of 2 laparoscopic methods on ovarian reserve in patients of reproductive age with endometriomas.This was a retrospective study performed at a tertiary medical center from Jan 1st to Dec 31st, 2016. Laparoscopic cystectomy (group 1, 46 patients) and laparoscopic ovarian drainage and ablation with bipolar coagulation at low power (group 2, 30 patients) were performed to treat endometriomas larger than 3 cm. Anti-Müllerian hormone was used to assess ovarian reserve before and after surgery.There were no statistically significant differences in patients' baseline clinical characteristics, endometriotic stage, operative time, and follow-up time between the groups. The mean serum anti-Müllerian hormone concentration decreased significantly from 4.25 ng/ml to 3.40 ng/ml in group 1 compared with 4.47 ng/ml to 3.95 ng/ml in group 2 (P = .04). Pregnancy rates were 71.05% in group 1 and 73.08% in group 2, with a mean follow-up of 30.40 months and 32.35 months (P > .99), respectively. Although there was no statistical significance, the recurrence rate in group 1 was lower than that in group 2 (4.35% vs 16.67%, respectively; P = .11). The mean diameter of recurrent cysts was 1.75 cm in group 1 and 1.54 cm in group 2 (P = .13).Appropriate laparoscopic electrocautery of the endometrioma wall with a bipolar instrument may be a valid alternative to traditional laparoscopic cystectomy, with less effects on ovarian reserve.
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Klebanoff JS, Inaty D, Rahman S, Habib N, Bendifallah S, Ayoubi JM, Moawad GN. Appropriate surgical management of ovarian endometrioma: excision or drainage? Horm Mol Biol Clin Investig 2021; 43:127-135. [PMID: 33600671 DOI: 10.1515/hmbci-2020-0067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 02/03/2021] [Indexed: 11/15/2022]
Abstract
Endometriosis negatively impacts the lives of countless women around the world. When medical management fails to improve quality of life often women are left making a decision whether or not to proceed with surgery. With endometriomas, patient's surgical options include complete surgical removal or drainage via laparoscopy. Here, we review the literature to discuss both techniques, excision and drainage of endometriomas, and what the research supports for endometrioma management.
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Stevens K, Wasfie T, Haus C. Endometrioma Causing Near-Complete Obstruction of the Sigmoid Colon. Am Surg 2021:3134821995062. [PMID: 33596670 DOI: 10.1177/0003134821995062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Endometriosis is characterized by extra-uterine endometrial gland and stroma implantation. Intestinal endometriosis is believed to affect about one-third of patients with endometriosis4; 72-95% of patients experience recto-sigmoid involvement.2,3 Occasionally, endometriotic lesions precipitate mass effect or infiltrate the bowel wall, mimicking a neoplasm. In the index case, we evaluated a G0P0 41-year-old perimenopausal female with near obstructing sigmoid endometrioma, clinically presented, investigated, and managed in the lines of sigmoid colon carcinoma. Computed Tomography revealed marked distention of the distal descending and proximal sigmoid colon to the level of a [possible] intraluminal mass. CA-125 was 247.4. Transvaginal ultrasound revealed a heterogeneous irregularity adjacent the left adnexa. Flexible sigmoidoscopy to 12-15 cm was unable to pass liquid or visualize the lumen secondary to extrinsic colonic obstruction. She underwent exploratory laparotomy with sigmoidectomy, oversew of rectal stump, and descending colostomy. Left fallopian tube and ovary were adherent to sigmoid mass, therefore, removed en-bloc. Histopathological report revealed extensive endometriosis involving the muscularis propria and serosal surface of colon and ovary, with fibrinous serosal adhesions of the sigmoid colon. While inconsistent clinical presentation, similar radiographic features, and colonoscopy with other inflammatory or malignant lesions of the bowel makes the preoperative diagnosis challenging, colonic endometriosis is to always be considered as one of the differential diagnoses in reproductive age women with patterned, cyclic gastrointestinal symptoms, and intestinal masses of uncertain etiology or diagnosis.
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Kunitomi C, Harada M, Takahashi N, Azhary JMK, Kusamoto A, Nose E, Oi N, Takeuchi A, Wada-Hiraike O, Hirata T, Hirota Y, Koga K, Fujii T, Osuga Y. Activation of endoplasmic reticulum stress mediates oxidative stress-induced apoptosis of granulosa cells in ovaries affected by endometrioma. Mol Hum Reprod 2021; 26:40-52. [PMID: 31869409 DOI: 10.1093/molehr/gaz066] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 11/13/2019] [Indexed: 12/13/2022] Open
Abstract
Endometriosis exerts detrimental effects on ovarian physiology and compromises follicular health. Granulosa cells from patients with endometriosis are characterized by increased apoptosis, as well as high oxidative stress. Endoplasmic reticulum (ER) stress, a local factor closely associated with oxidative stress, has emerged as a critical regulator of ovarian function. We hypothesized that ER stress is activated by high oxidative stress in granulosa cells in ovaries with endometrioma and that this mediates oxidative stress-induced apoptosis. Human granulosa-lutein cells (GLCs) from patients with endometrioma expressed high levels of mRNAs associated with the unfolded protein response (UPR). In addition, the levels of phosphorylated ER stress sensor proteins, inositol-requiring enzyme 1 (IRE1) and double-stranded RNA-activated protein kinase-like ER kinase (PERK), were elevated in granulosa cells from patients with endometrioma. Given that ER stress results in phosphorylation of ER stress sensor proteins and induces UPR factors, these findings indicate that these cells were under ER stress. H2O2, an inducer of oxidative stress, increased expression of UPR-associated mRNAs in cultured human GLCs, and this effect was abrogated by pretreatment with tauroursodeoxycholic acid (TUDCA), an ER stress inhibitor in clinical use. Treatment with H2O2 increased apoptosis and the activity of the pro-apoptotic factors caspase-8 and caspase-3, both of which were attenuated by TUDCA. Our findings suggest that activated ER stress induced by high oxidative stress in granulosa cells in ovaries with endometrioma mediates apoptosis of these cells, leading to ovarian dysfunction in patients with endometriosis.
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Alsamahiji BM, Albaqshi MA, Alolayan AJ, Alzayer HA, Alalwan MA, Faqeeh HM, Al Zaher FA, Maashi AM, Aljeshi AA. Giant Abdominal Wall Endometrioma: A Case Report. Cureus 2021; 13:e12766. [PMID: 33500866 PMCID: PMC7817536 DOI: 10.7759/cureus.12766] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Endometriosis is defined as the presence of endometrial glands and stroma outside the uterine cavity. Endometriosis may involve a wide spectrum of anatomic locations, but it typically involves pelvic locations. We report the case of a 45-year-old woman who presented with a history of abdominal pain and swelling. She first noticed the swelling eight months prior to presentation, and it had gradually progressed in size. The patient reported that the swelling increased in size during menses. Physical examination revealed a well-defined firm mass to the right of the midline. The mass had a smooth surface but limited mobility after abdominal wall muscle contraction, suggesting an infiltration of the underlying muscular structures. The findings demonstrated by computed tomography of the abdomen confirmed the diagnosis of abdominal wall endometrioma. The patient underwent successful resection of the lesion with complete resolution of her symptoms.
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Suardi D, Permadi W, Djuwantono T, Hidayat YM, Bayuaji H, Edo Gautama GP. Correlation of Serum Anti-Mullerian Hormone (AMH) Level on Ovarian Volume in Women with Endometrioma. Int J Gen Med 2021; 14:1-8. [PMID: 33442285 PMCID: PMC7797296 DOI: 10.2147/ijgm.s272071] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 11/19/2020] [Indexed: 01/09/2023] Open
Abstract
Background The correlation between endometrioma and serum Anti-mullerian hormone (AMH) level is a benchmark in determining the prognosis and management of endometrioma. Endometrioma causes a decrease in ovarian reserve due to tissue damage that affects the formation of serum AMH. Serum AMH levels in daily practice are useful as a tool to determine ovarian reserve, markers for diagnosis and prognosis in infertility and reproductive abnormalities. The purpose of this study was to determine the relationship of serum AMH level in women with endometrioma and their correlation to ovarian volume. Methods This research was an analytical observational study with a cross-sectional design in women of reproductive age who were diagnosed with endometrioma within the period of August 2019–March 2020 at Hasan Sadikin Hospital, Bandung. Forty-four women who met the inclusion and exclusion criteria were then divided into endometrioma (n=22) and control (n=22) groups. In both groups, transvaginal ultrasound examination was performed to measure the volume of the ovary, then a laboratory examination of serum AMH level was carried out. Results Serum AMH levels in the endometrioma group were significantly lower than those in the control group (P<0.001). Serum AMH level did not differ significantly based on laterality of the observation group (P=1.000). There was a negative correlation between serum AMH level and the volume of ovarian endometrioma, although not statistically significant (r=−0.332; P=0.066). Conclusion There was a correlation between serum AMH level and endometrioma. Serum AMH levels were significantly lower in the endometrioma group but were not influenced by their laterality. We found a negative correlation between serum AMH level and ovarian volume containing endometrioma, but not statistically significant.
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Wu Y, Yang R, Lan J, Lin H, Jiao X, Zhang Q. Ovarian Endometrioma Negatively Impacts Oocyte Quality and Quantity But Not Pregnancy Outcomes in Women Undergoing IVF/ICSI Treatment: A Retrospective Cohort Study. Front Endocrinol (Lausanne) 2021; 12:739228. [PMID: 34880831 PMCID: PMC8645929 DOI: 10.3389/fendo.2021.739228] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 10/30/2021] [Indexed: 11/26/2022] Open
Abstract
PURPOSE To determine the impact of ovarian endometrioma per se on in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) outcomes. METHODS This retrospective study was conducted using two groups. The endometrioma group consisted of 862 women with infertility who had ovarian endometriomas and underwent their first ovarian stimulation for IVF/ICSI treatment between January 2011 to December 2019 at a public university hospital. A non-endometrioma comparison group, comprising 862 women with other infertility factors, was matched according to maternal age, body mass index (BMI), and infertility duration. Ovarian reserve and response and IVF/ICSI and pregnancy outcomes between the two groups were analyzed. Multivariate logistic regression (MLR) analysis was conducted on the basis of clinical covariates assessed for their association with live birth. RESULTS The results showed that significantly lower antral follicle count (AFC), anti-Müllerian hormone (AMH), ovarian sensitivity index (OSI), oocyte maturation and fertilization rates, blastocyst rate, number of oocytes retrieved, and available embryos were found in women with endometrioma compared with the control, respectively (P < 0.05). The cumulative live birth rate per patient in women with endometrioma was lower than that of women without endometrioma (39.32% vs. 46.87%, P = 0.002). In women with endometrioma, those who underwent surgical intervention prior to IVF/ICSI treatment had higher maturation (86.03% vs. 83.42%, P = 0.003), fertilization (78.16% vs. 74.93%, P = 0.004), and top-quality embryo rates (42.94% vs. 39.93%, P = 0.097) but had fewer oocytes retrieved (8.01 ± 5.70 vs. 9.12 ± 6.69, P = 0.013) than women without surgery. However, live birth rates were comparable between women with endometrioma and women in the control group, regardless of whether they had a prior history of ovarian surgery. MLR analysis showed no correlation between endometrioma per se and live birth after being adjusted for number of top-quality embryos transferred and stage of embryo transfer. CONCLUSIONS The data from this study supported the conclusion that ovarian endometrioma negatively impacts oocyte quality and quantity, but not overall pregnancy outcomes, in women undergoing IVF/ICSI treatment. Endometrioma lowers the cumulative live birth rate by decreasing the number of embryos. Surgical excision of endometrioma prior to IVF/ICSI can partly improve oocyte maturation and fertilization rates but not pregnancy outcomes.
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Hong YH, Lee HK, Kim SK, Lee JR, Suh CS. The Significance of Planned Fertility Preservation for Women With Endometrioma Before an Expected Ovarian Cystectomy. Front Endocrinol (Lausanne) 2021; 12:794117. [PMID: 34975763 PMCID: PMC8715896 DOI: 10.3389/fendo.2021.794117] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 11/25/2021] [Indexed: 01/21/2023] Open
Abstract
Endometrioma is known to reduce the ovarian reserve and the extent of the decrease is more severe when ovarian surgery is performed. Therefore, to prevent this decline in fertility, patients with endometrioma are considered candidates for preoperative fertility preservation (FP). In this study, we evaluate the efficacy of FP in women with endometrioma before planned ovarian surgery. A total of 95 cycles in 62 patients with endometrioma, undergoing controlled ovarian stimulation (COS) for FP using a gonadotropin-releasing hormone (GnRH) antagonist protocol before an expected ovarian surgery, were enrolled retrospectively. COS outcomes were compared according to endometrioma laterality. Additionally, first COS cycle outcomes in patients with endometrioma were compared with those in infertile patients, or in patients with a benign ovarian cyst using propensity score matching. When multiple COS cycles were performed, the results of cumulative cycles were analyzed. Embryo quality was worse in the bilateral endometrioma group. Compared with the infertile patient group, the patients with endometrioma had significantly lower Anti-Müllerian Hormone (AMH) and fewer numbers of oocytes retrieved (median, 3.3 vs. 1.2, p<0.001; 7.0 vs. 4.0, p=0.009, respectively). Compared with mature oocytes in infertile patients or patients with a benign cyst, mature oocytes were fewer in patients with endometrioma, but this was not statistically significant (median, 4.0 vs. 3.0, p=0.085; 5.5 vs. 3.0, p=0.052, respectively). The median value of the cumulative number of cryopreserved oocytes or embryos was 14.5 up to the fourth cycle compared to 3 up to the first cycle, with cumulative effect. Women with endometrioma should be counseled for FP before planned ovarian cystectomy. The number of cryopreserved oocytes or embryos can be increased by repeated cycles.
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Cosma S, Carosso AR, Moretto M, Borella F, Ferraioli D, Bovetti M, Gervasoni F, Filippini C, Revelli A, Ferrero S, Benedetto C. Affected Ovary Relative Volume: A Novel Sonographic Predictor of Ovarian Reserve in Patients with Unilateral Endometrioma-A Pilot Study. J Clin Med 2020; 9:E4076. [PMID: 33348770 PMCID: PMC7767191 DOI: 10.3390/jcm9124076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 12/02/2020] [Accepted: 12/11/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND The assessment of ovarian reserve in the case of endometrioma is of pivotal importance for planning a tailored management. However, both the antral follicle count (AFC) and the antimüllerian hormone (AMH) dosage are subject to a fair degree of variability in ovarian endometriosis. This study aimed to identify a sonographic parameter of ovarian reserve that could implement current available markers in patients with unilateral endometrioma. METHODS Patients with unilateral endometrioma admitted to our Endometriosis Center between March 2018 and April 2019 were enrolled. Transvaginal ultrasonography for the evaluation of eight sonographic indicators and AMH level determination were performed. The relationship between AMH level and each indicator was assessed. RESULTS Thirty-four women were included. There was a positive significant correlation between AMH level and the healthy ovary AFC (HO-AFC) (r = 0.36 p = 0.034). A stronger, negative correlation between AMH level and the ratio between the volume of the affected and the healthy ovary (affected ovary relative volume, AORV) (r = -0.47; p = 0.005) was evidenced. AORV had a satisfactory accuracy (AUC 0.73; CI 0.61-0.90; p = 0.0008), and the cut-off value of 5.96 had the best balance of sensitivity/specificity in distinguishing between patients with a good ovarian reserve (AMH ≥ 2 ng/mL) and those at risk of ovarian reserve depletion after excisional surgery. CONCLUSION AORV may be a useful tool to assess ovarian reserve in patients with unilateral endometrioma without previous surgery and to guide physicians in clinical management.
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The T2 Dark Spot Sign in Endometrioma. J Belg Soc Radiol 2020; 104:74. [PMID: 33336145 PMCID: PMC7716791 DOI: 10.5334/jbsr.2271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Teaching Point: The T2 dark spot sign has low sensitivity but high specificity for endometrioma on MR imaging.
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