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Nagai K, Asano R, Sekiguchi F, Asai-Sato M, Miyagi Y, Miyagi E. MED12 mutations in uterine leiomyomas: prediction of volume reduction by gonadotropin-releasing hormone agonists. Am J Obstet Gynecol 2023; 228:207.e1-207.e9. [PMID: 36150519 DOI: 10.1016/j.ajog.2022.09.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 08/11/2022] [Accepted: 09/09/2022] [Indexed: 01/28/2023]
Abstract
BACKGROUND Gonadotropin-releasing hormone agonists are used to treat premenopausal uterine leiomyomas; however, leiomyoma volume reduction is not always achieved. The reduction rate after this treatment varies for each leiomyoma, even in the same patient. Therefore, an effective method for predicting uterine leiomyoma volume reduction is required to reduce the adverse hypoestrogenic effects and drug-related economic burden related to gonadotropin-releasing hormone agonists. OBJECTIVE This study aimed to determine the predictive use of MED12 mutations for evaluating the effect of gonadotropin-releasing hormone agonist treatment concerning reducing uterine leiomyoma volume and to predict the MED12 mutation status based on the findings of magnetic resonance imaging performed before treatment. STUDY DESIGN MED12 exon 2 mutation and erythropoietin expression in uterine leiomyomas were evaluated concerning volume reduction, as measured using magnetic resonance imaging. We developed a system for classifying leiomyomas according to T2-weighted magnetic resonance imaging signals to noninvasively predict the presence or absence of MED12 mutations in leiomyomas. Leiomyoma samples (>5 cm) were obtained from 168 patients during surgery (hysterectomy or myomectomy) between 2005 and 2021 at Yokohama City University Hospital. To analyze the rate of leiomyoma volume reduction, 41 patients had been preoperatively administered the gonadotropin-releasing hormone agonist (leuprorelin acetate 3.75 mg, monthly subcutaneous injection) for 3 months; magnetic resonance imaging was performed before and after treatment without contrast material. RESULTS Patients with MED12 exon 2 mutations had smaller volume reduction after treatment with the gonadotropin-releasing hormone agonist (P<.001, Mann-Whitney U test) and displayed lower signal intensity on T2-weighted images than those with leiomyomas expressing wild-type MED12 exon 2. The newly proposed magnetic resonance imaging-based classification system showed that MED12 exon 2 mutations were more frequent in the low-signal group than in the high-signal group, with nearly equal proportions of mutated and wild-type MED12 exon 2 leiomyomas noted in the intermediate group. The low-signal group had significantly lower erythropoietin expression levels than the high-signal group (P<.001, Kruskal-Wallis test with the Dunn posthoc analysis). CONCLUSION MED12 mutation status can be a candidate marker for predicting the effect of gonadotropin-releasing hormone agonists on uterine leiomyoma reduction. Magnetic resonance imaging findings can be used to determine MED12 mutation status as a noninvasive strategy to select patients who will most likely benefit from gonadotropin-releasing hormone agonist treatment.
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Affiliation(s)
- Koichi Nagai
- Department of Obstetrics, Gynecology and Molecular Reproductive Science, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Ryoko Asano
- Department of Obstetrics, Gynecology and Molecular Reproductive Science, Yokohama City University Graduate School of Medicine, Yokohama, Japan; Department of Gynecology, Yokohama City University Medical Center, Yokohama, Japan.
| | - Futoshi Sekiguchi
- Department of Obstetrics, Gynecology and Molecular Reproductive Science, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Mikiko Asai-Sato
- Department of Obstetrics and Gynecology, Nihon University School of Medicine, Tokyo, Japan
| | - Yohei Miyagi
- Molecular Pathology and Genetics Division, Kanagawa Cancer Center Research Institute, Yokohama, Japan
| | - Etsuko Miyagi
- Department of Obstetrics, Gynecology and Molecular Reproductive Science, Yokohama City University Graduate School of Medicine, Yokohama, Japan
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McClean G, McCluggage WG. Unusual Morphologic Features of Uterine Leiomyomas Treated with Gonadotropin Releasing Hormone Agonists: Massive Lymphoid Infiltration and Vasculitis. Int J Surg Pathol 2016; 11:339-44. [PMID: 14615835 DOI: 10.1177/106689690301100417] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
This report describes 2 unusual morphologic features of leiomyomas in patients who had been treated preoperatively with gonadotropinreleasing hormone (GnRH) agonists. In 1 case there was extensive and widespread infiltration of the leiomyoma by numerous small mature lymphocytes, in keeping with a leiomyoma with massive lymphoid infiltration. In the other leiomyoma there were fibrin and foamy histiocytes within the walls of many arterioles, in keeping with a vasculitis. These 2 features, massive lymphoid infiltration and vasculitis, have rarely been described in association with GnRH agonists. Since GnRH agonists are increasingly being used in the management of uterine leiomyomas, pathologists should be aware of these unusual morphologic features in order to avoid diagnostic confusion.
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Affiliation(s)
- G McClean
- Department of Pathology, Royal Hospitals Trust, Belfast, Northern Ireland
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The prevalence of occult leiomyosarcoma at surgery for presumed uterine fibroids: a meta-analysis. ACTA ACUST UNITED AC 2015; 12:165-177. [PMID: 26283890 PMCID: PMC4532723 DOI: 10.1007/s10397-015-0894-4] [Citation(s) in RCA: 129] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2015] [Accepted: 04/22/2015] [Indexed: 12/01/2022]
Abstract
There is a concern regarding the risk of occult leiomyosarcomas found at surgery for presumed benign fibroids. We sought to produce a comprehensive review of published data addressing this issue and provide high-quality prevalence estimates for clinical practice and future research. A comprehensive literature search using the PubMed/MEDLINE database and the Cochrane Library was performed. Inclusion criteria were human studies, peer-reviewed, with original data, involving cases for surgery in which fibroid-related indications were the primary reason for surgery, and histopathology was provided. Candidate studies (4864) were found; 3844 were excluded after review of the abstract. The remaining 1020 manuscripts were reviewed in their entirety, and 133 were included in the Bayesian binomial random effect meta-analysis. The estimated rate of leiomyosarcoma was 0.51 per 1000 procedures (95 % credible interval (CrI) 0.16–0.98) or approximately 1 in 2000. Restricting the meta-analysis to the 64 prospective studies resulted in a substantially lower estimate of 0.12 leiomyosarcomas per 1000 procedures (95 % CrI <0.01–0.75) or approximately 1 leiomyosarcoma per 8300 surgeries. Results suggest that the prevalence of occult leiomyosarcomas at surgery for presumed uterine fibroids is much less frequent than previously estimated. This rate should be incorporated into both clinical practice and future research.
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Okuda S, Oshio K, Shinmoto H, Tanimoto A, Asada H, Fujii T, Yoshimura Y, Kuribayashi S. Semiquantitative assessment of MR imaging in prediction of efficacy of gonadotropin-releasing hormone agonist for volume reduction of uterine leiomyoma: initial experience. Radiology 2008; 248:917-24. [PMID: 18710984 DOI: 10.1148/radiol.2483071288] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
PURPOSE To prospectively determine if semiquantitative assessment of R2* images and T1-weighted magnetic resonance (MR) images of leiomyomas correlates with the efficacy of gonadotropin-releasing hormone (GnRH) agonist treatment for volume reduction. MATERIALS AND METHODS Internal review board approval and informed consent were obtained for this study. Twenty women (mean age, 36.3 years) with intramyometrial leiomyomas were enrolled in this study. Single-section double-echo dynamic MR imaging was performed before GnRH agonist administration. T2-weighted images were obtained before and after two or three GnRH agonist injections (1.88 mg leuprorelin acetate). The steepest signal intensity (SI) upslope on T1-weighted images and the area under the curve (AUC) on R2* images were determined by using a 16 x 16-voxel matrix that was placed in the center of a leiomyoma. Pearson correlation analysis was performed to compare the percentage of volume reduction with SI upslope and AUC. Unpaired t test was performed to evaluate the difference between leiomyomas with AUC and SI upslope values that were less than or greater than the mean. RESULTS Percentage of volume reduction ranged from 6.2% to 51.1%. The mean AUC and mean SI upslope were 39.2 and 9.83% per second, respectively. There was a significant correlation between the AUC and the percentage of volume reduction (r = 0.81, P < .001), although no significant correlation was observed between the SI upslope and the percentage of volume reduction. A significant difference in percentage of volume reduction was observed in leiomyomas by using mean AUC as a cutoff value (P = .003). CONCLUSION AUC on R2* images correlates with the efficacy of GnRH agonist before initiation of treatment for volume reduction of leiomyoma.
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Affiliation(s)
- Shigeo Okuda
- Department of Diagnostic Radiology, Keio University School of Medicine, 35 Shinanomachi, Shinjyuku-ku, Tokyo 160-8582, Japan.
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Chia CC, Huang SC, Chen SS, Kang JY, Lin JC, Lin YS, Huang KF, Lee HJ, Zheng CC. Ultrasonographic Evaluation of the Change in Uterine Fibroids Induced by Treatment with a Gnrh Analog. Taiwan J Obstet Gynecol 2006; 45:124-8. [PMID: 17197352 DOI: 10.1016/s1028-4559(09)60209-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVE To investigate the change in volume of uterine fibroids after GnRH analog (GnRHa) treatment. MATERIALS AND METHODS Twenty-five patients who had a uterine leiomyoma were included in this study. Four of them were lost to follow-up during the study, and a myomectomy was performed on the remaining subjects. All of these patients received two doses, 4 weeks apart, each of 3.75 mg leuprorelin acetate subcutaneously (Leuplin depot, a GnRHa) before the operation. The vascularization index (VI), flow index (FI), vascularization-flow index (VFI), pulsative index (PI), resistance index (RI), vascular patterns (histogram), blood flows, and sizes (volume and largest diameter) of each fibroid were measured with power Doppler by the same technician every month before the operation. In addition, the total blood loss and time required for each operation were also recorded. RESULTS Results of this study showed that the volume of the uterus and the fibroids, but not the vascularity, including VI, FI, VFI, PI and RI, decreased significantly after two doses of GnRHa treatment. In addition, blood loss during the operation decreased significantly compared to an untreated group. CONCLUSION We found that the volumes of the uterus and fibroids decreased significantly after treatment with two consecutive doses (given a month apart) of GnRHa. The 3D color Doppler including a histogram and blood flow parameters is another useful tool for fibroid evaluation.
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Affiliation(s)
- Chun-Chieh Chia
- Department of Obstetrics and Gynecology, Chi Mei Hospital, Liouying, Tainan, Taiwan.
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Vilos GA, Vilos AG, Abu-Rafea B, Pron G, Kozak R, Garvin G. Administration of goserelin acetate after uterine artery embolization does not change the reduction rate and volume of uterine myomas. Fertil Steril 2006; 85:1478-83. [PMID: 16579996 DOI: 10.1016/j.fertnstert.2005.10.039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2005] [Revised: 10/06/2005] [Accepted: 10/06/2005] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To determine if goserelin immediately after uterine artery embolization (UAE) affected myoma reduction. DESIGN Randomized pilot study (level 1). SETTING Teaching hospital. PATIENT(S) Twenty-six women. INTERVENTION(S) All patients underwent UAE, and then 12 patients received 10.8 mg of goserelin 24 hours later. The treatment group was 5 years older: 43 versus 37.7 years. Uterine and myoma volumes were measured by ultrasound 2 weeks before UAE and at 3, 6, and 12 months. MAIN OUTCOME MEASURE(S) Uterine and fibroid volumes. RESULT(S) Pretreatment uterine volume was 477 versus 556 cm3, and dominant fibroid volume was 257 versus 225 cm3 in the control versus goserelin groups. Analysis of variance measurements indicated that the change over time did not significantly differ between the two groups. By 12 months, the control group had a mean uterine volume reduction of 58%, while the goserelin group had a reduction of 45%. Dominant fibroid changes over time did not differ between the two groups. At 12 months, the mean fibroid volume had decreased by 86% and 58% in the control and goserelin groups, respectively. CONCLUSION(S) The addition of goserelin therapy to UAE did not alter the reduction rate or volume of uterine myomas.
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Affiliation(s)
- George A Vilos
- Department of Obstetrics and Gynecology, St. Joseph's Health Care, University of Western Ontario, London, Ontario, Canada
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Gutmann JN, Corson SL. GnRH agonist therapy before myomectomy or hysterectomy. J Minim Invasive Gynecol 2005; 12:529-37; quiz 528, 538-9. [PMID: 16337584 DOI: 10.1016/j.jmig.2005.09.012] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2005] [Accepted: 08/03/2005] [Indexed: 10/25/2022]
Affiliation(s)
- Jacqueline N Gutmann
- Department of Obstetrics and Gynecology, Thomas Jefferson University Medical Center, Philadelphia, PA 19107, USA.
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Chia CC, Huang SC, Chen SS, Kang JY, Lin JC, Lin YS, Huang KF, Zheng CC. Discrepancy in the Shrinkage of Uterine Fibroids After Treatment with Gonadotropin Releasing Hormone Analogs. J Med Ultrasound 2004. [DOI: 10.1016/s0929-6441(09)60096-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Kadowaki M, Murakami T, Morita J, Terada Y, Yaegashi N, Okamura K. Prediction of the effects of gonadotropin-releasing hormone agonist therapy in uterine leiomyoma by T1 contrast-enhanced magnetic resonance imaging sequences. Fertil Steril 2002; 77:1081-2. [PMID: 12009376 DOI: 10.1016/s0015-0282(02)03062-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Porter KB, Tsibris JC, Porter GW, Fuchs-Young R, Nicosia SV, O'Brien WF, Spellacy WN. Effects of raloxifene in a guinea pig model for leiomyomas. Am J Obstet Gynecol 1998; 179:1283-7. [PMID: 9822517 DOI: 10.1016/s0002-9378(98)70148-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
OBJECTIVE Chronic exposure of oophorectomized guinea pigs to 17beta-estradiol causes leiomyoma formation. Our aims were to determine whether these leiomyomas can become estradiol independent after exposure to estradiol and if raloxifene inhibits leiomyoma growth when given concomitantly with estradiol. STUDY DESIGN To induce leiomyoma development, 6 oophorectomized animals received two estradiol implants for 140 days. Next, the estradiol implants were replaced with empty implants in 3 animals, whereas the other 3 received 2 new estradiol implants and raloxifene given per os 10 mg/kg per day for 60 days. Tumor size was monitored biweekly by ultrasonography. RESULTS On estradiol removal, abdominal wall leiomyomas regressed within 15 to 30 days; when estradiol implants were reintroduced, leiomyomas redeveloped. Within 30 days on raloxifene, all abdominal leiomyomas (n = 9) regressed as determined by ultrasonography and verified at laparotomy. Serum raloxifene and estradiol levels were 432 +/- 46 pg/mL and 78 +/- 13 pg/mL (mean +/- SEM, n = 3), respectively, after 60 days of treatment. CONCLUSIONS Leiomyomas did not become estradiol independent, even after long exposure to estradiol; ultrasonography allowed frequent, noninvasive assessment of leiomyoma size, and raloxifene rapidly regressed leiomyomas in this animal model.
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Affiliation(s)
- K B Porter
- Departments of Obstetrics and Gynecology, Biochemistry and Molecular Biology, and Pathology, University of South Florida College of Medicine, Tampa, Florida, USA
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Vilos GA, Daly LJ, Tse BM. Pregnancy outcome after laparoscopic electromyolysis. THE JOURNAL OF THE AMERICAN ASSOCIATION OF GYNECOLOGIC LAPAROSCOPISTS 1998; 5:289-92. [PMID: 9668152 DOI: 10.1016/s1074-3804(98)80034-0] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Laparoscopic myolysis, a procedure designed to shrink uterine myomas by coagulating their blood supply, is an alternative to myomectomy or hysterectomy in women who do not contemplate childbearing. Three patients conceived within 3 months after myolysis against the surgeon's advice. In two of these women the uterus ruptured at 32 and 39 weeks' gestation, respectively, associated with death of the 32-week fetus. The third patient had an uneventful elective cesarean section at 39 weeks' gestation. Until the risk of uterine rupture after myolysis has been accurately compared with that after myomectomy, women should not undergo myolysis if they wish to conceive. Should pregnancy occur after myolysis, caution and intensive surveillance of mother and fetus must be applied, and cesarean section should be performed at earliest signs and symptoms of uterine rupture and at term before onset of labor.
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Affiliation(s)
- G A Vilos
- Department of Obstetrics and Gynecology, St. Joseph's Health Centre, 268 Grosvenor Street, London, Ontario, Canada N6A 4V2
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Therapeutic effects of leuprorelin microspheres on endometriosis and uterine leiomyomata. Adv Drug Deliv Rev 1997. [DOI: 10.1016/s0169-409x(97)00055-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Deligdisch L, Hirschmann S, Altchek A. Pathologic changes in gonadotropin releasing hormone agonist analogue treated uterine leiomyomata. Fertil Steril 1997; 67:837-41. [PMID: 9130887 DOI: 10.1016/s0015-0282(97)81394-5] [Citation(s) in RCA: 52] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVE To define the pathologic changes underlying the mechanism of shrinkage of uterine leiomyomata in patients treated with luprolide acetate. DESIGN Retrospective study of pathologic changes seen in leiomyomata removed by hysterectomy or myomectomy in treated and untreated patients, matched by age and size of uteri and leiomyomata. PATIENT(S) Gross description and histologic slides of 30 treated and 30 untreated patients. INTERVENTION(S) Histologic examination performed blindly (without knowledge of treatment). Statistical work-up using chi 2 analysis with 1 df. MAIN OUTCOME MEASURE(S) Degree of hyaline and hydropic degeneration, cellularity, nuclear atypia, necrosis, and obliteration of interface. RESULT(S) Confluent nodular hyaline degeneration representing a scarlike retraction, geographic hydropic degeneration necrosis and obliteration of the interface between myoma and myometrium were found in higher proportions in the treated patients; differences in cellularity, nuclear atypia, and edema were not statistically significant. CONCLUSION(S) The decrease in size of the treated leiomyomata occurs as an accelerated postmenopausal shrinkage because of the antiestrogenic effect of the therapy. Obliterated cleavage planes may explain the difficult enucleation of myomatous nodules in some of the treated patients.
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Affiliation(s)
- L Deligdisch
- Mount Sinai Medical School, New York, New York, USA
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Rutgers J. Leuprolide-treated myomas. Am J Surg Pathol 1997; 21:500-1. [PMID: 9131000 DOI: 10.1097/00000478-199704000-00021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Leuprolide-treated Myomas. Am J Surg Pathol 1997. [DOI: 10.1097/00000478-199704000-00022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Rittmaster RS, Arab DM, Lehman L. Dose-response effect of depot leuprolide acetate on serum androgens in hirsute women. Fertil Steril 1996; 65:912-5. [PMID: 8612847 DOI: 10.1016/s0015-0282(16)58259-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
OBJECTIVE To determine the dose of leuprolide acetate (LA) needed to maximally suppress serum androgens in hirsute women. DESIGN Prospective, dose-escalation study. SETTING Outpatient endocrinology clinic. PATIENTS Eight hyperandrogenic women with moderate to severe hirsutism. INTERVENTIONS A LA dose-response study was done in women receiving depot LA plus estrogen-progestin replacement. MAIN OUTCOME MEASURES Serum concentrations of T, androstenedione (A), and basal and GnRH-stimulated LH. RESULTS The lowest LA dose (3.75 mg/mo) suppressed serum T by 62% +/- 6% and A by 56% +/- 7%. No further decrease in serum androgens was seen with doses up to 15 mg/mo. Maximal suppression of basal and stimulated LH was also seen with the lowest dose of LA. CONCLUSIONS As opposed to results previously published in children with precocious puberty, the 3.75 mg dose of depot LA is sufficient to maximally suppress serum androgens in hyperandrogenic women.
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Affiliation(s)
- R S Rittmaster
- Department of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
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Abstract
OBJECTIVES To report a simple and safe procedure of abdominal myomectomy and our results performing this technique. DESIGN The operative technique comprises the incision on the most prominent part of the myoma, the use of a hooked clamp to hold the tumor, and a surgical knife to peel it, without removing the apparent excess of myometrium or serosa. SETTING University Medical Centers and private practice. PATIENTS Eighty patients, 9 of whom were operated between 10 and 26 weeks of pregnancy, 3 during cesarean section, and 22 others who had infertility. RESULTS Myomectomy was performed successfully in all patients for whom it was scheduled. Eight of nine pregnant patients had successful deliveries at term. The cumulative 10-year reoccurrence and reoperation rates of life-table analysis were 38% and 18%, respectively. The cumulative conception rates were 100% for otherwise unexplained infertility at 2 years, and 63% and 79% at 5 years for all infertile and all patients attempting conception after myomectomy, respectively. An age > 30 years, infertility > 3 years, and multiple fibroids negatively affected these rates, whereas the use of an absorbable adhesion barrier (Interceed; Johnson & Johnson AB, Somerville, NJ) had a positive effect. CONCLUSIONS This procedure is an appropriate alternative for most women who want to preserve or enhance fertility potential, and if necessary, for pregnant women.
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Affiliation(s)
- P Acién
- Department of Obstetrics and Gynecology, Elche University Hospital, Institute of Gynecology P.A.A., School of Medicine, University of Alicante, Spain
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Broekmans FJ, Heitbrink MA, Hompes PG, Schoute E, Falke T, Schoemaker J. Quantitative MRI of uterine leiomyomas during triptorelin treatment: reproducibility of volume assessment and predictability of treatment response. Magn Reson Imaging 1996; 14:1127-35. [PMID: 9065902 DOI: 10.1016/s0730-725x(96)00231-7] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Magnetic resonance (MR) imaging is increasingly applied for the quantitative evaluation of uterine leiomyomas. MR is thought to be more accurate in comparison to ultrasound (US) techniques. MR signal intensity (SI) may prove to be predictive of myoma response to GnRH agonist treatment. This study aimed to evaluate the precision of uterine volume assessment by a parallel planimetric MR method and the accuracy of the ellipsoid formula based calculations from MR and US images. It was also attempted to analyze the precision of MR leiomyoma volume measurements and examine the relation between pretreatment myoma SI patterns and the response to agonist therapy. Twenty-seven women with a myomatous uterus were scanned three times during GnRH agonist treatment for 6 months. T1- and T2-weighted, as well as T1 contrast-enhanced sequences of the uterus were obtained in the transverse and sagittal plane. Abdominal US of the uterus was performed with a conventional sector scanner. By the use of a software system for analysis of three-dimensional images obtained by MR, uterine volume was measured by a parallel planimetric method (MR-ROI) as well as the use of the ellipsoid formula (MR-ELL). Myoma volume was assessed by the MR-ROI method. SI of the myomas was estimated from selected tissue samples as well as from the integral myoma region of interest. By abdominal US, volume was assessed by the ellipsoid equation (US-ELL). Within- and between-observer and method reliability (Rw/Rb) was calculated from mean squares obtained by analysis of variance. For uterine volume assessment, reliability between observers and between methods when the MR-ROI and MR-ELL methods were analyzed was excellent. For the US-ELL measurements, the between-observer reliability was limited. Moreover, the reliability of the US-ELL was low when the MR-ROI method was used as the standard. Myoma volume assessment with the MR-ROI method showed high between-observer and between-method agreement. The myoma/fat SI ratio and the mean SI coefficient of variation failed to show a correlation with the degree of response to triptorelin treatment of individual myomas. In MR uterine volume assessment the MR-ELL method is very accurate compared with the more complicated MR-ROI method. The agreement between MR and US is limited. Therefore, the ellipsoid method on MR images is to be regarded as the method of choice for quantitative assessment of uterine volume response to hormonal treatment. Myoma SI patterns were shown to be of no value in the response prediction of myomas to treatment with GnRH agonists.
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Affiliation(s)
- F J Broekmans
- Division of Reproductive Endocrinology and Fertility, Vrije Universiteit, Amsterdam, The Netherlands
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Abstract
Physicians who care for female patients cannot avoid the frequent complaint of abnormal uterine bleeding. Knowledge of the disorders that cause this problem can prevent serious consequences in many patients and improve the quality of life for many others. The availability of noninvasive and minimally invasive diagnostic studies and minimally invasive surgical treatment has revolutionized management of abnormal uterine bleeding. Similar to any other disorder, the extent to which a physician manages abnormal uterine bleeding depends on his or her own level of comfort. When limitations of either diagnostic or therapeutic capability are encountered, consultation and referral should be used to the best interest of patients.
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Affiliation(s)
- J C Jennings
- Department of Obstetrics and Gynecology, University of Texas Medical Branch at Galveston, USA
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