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Gynecologic malignancies

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https://www.readbyqxmd.com/read/29029113/estrogen-metabolism-in-abdominal-subcutaneous-and-visceral-adipose-tissue-in-postmenopausal-women
#1
Natalia Hetemäki, Hanna Savolainen-Peltonen, Matti J Tikkanen, Feng Wang, Hanna Paatela, Esa Hämäläinen, Ursula Turpeinen, Mikko Haanpää, Veera Vihma, Tomi S Mikkola
CONTEXT: In postmenopausal women, adipose tissue (AT) levels of estrogens exceed circulating concentrations. While increased visceral AT after menopause is related to metabolic diseases, little is known about differences in estrogen metabolism between different AT depots. OBJECTIVE: We compared concentrations of and metabolic pathways producing estrone and estradiol in abdominal subcutaneous and visceral AT in postmenopausal women. DESIGN, SETTING, PATIENTS, AND INTERVENTIONS: AT and serum samples were obtained from 37 postmenopausal women undergoing surgery for non-malignant gynecological reasons...
September 29, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29027715/diagnostic-performance-of-human-epididymis-protein-4-compared-to-a-combination-of-biophysical-and-biochemical-markers-to-differentiate-ovarian-endometriosis-from-epithelial-ovarian-cancer-in-premenopausal-women
#2
Tanja Nikolova, Radomir Zivadinovic, Nina Evtimovska, Violeta Klisarovska, Marko Stanojevic, Jadranka Georgievska, Natasha Nikolova
AIM: This study is a comparison of human epididymis protein 4 (HE4) with cancer antigen 125 (CA125), using the Risk of Ovarian Malignancy Algorithm (ROMA), Copenhagen Index (CPH-I), Risk of Malignancy Index (RMI) and Morphology Index (MI) to differentiate ovarian endometriosis from epithelial ovarian cancer (EOC) in premenopausal women. METHODS: The study was performed at the University Clinic of Obstetrics and Gynecology in Skopje. One hundred and sixty-four premenopausal patients were divided into three study groups, including ovarian endometriosis (37), other benign pelvic masses (57) and EOCs (11), and a control group (59)...
October 13, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29026364/recurrent-pneumothoraces-in-a-patient-with-pulmonary-benign-metastasizing-leiomyoma
#3
Miranda Hann, Rinu Manacheril, Jerry St Pierre, Rajiv Gala
BACKGROUND: Pulmonary benign metastasizing leiomyoma (BML) is a rare disease with a malignant characteristic of spread from the uterus. Most cases are asymptomatic, and only 1% are associated with pneumothorax. CASE REPORT: We present the case of a 42-year-old female with recurrent pneumothoraces leading to an incidental finding of diffuse bilateral pulmonary nodules. The diagnosis of BML was based on the patient's history of uterine leiomyomata and confirmed by a biopsy showing benign smooth muscle staining for desmin and vimentin...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/29026316/clinical-effects-of-autologous-cytokine-induced-killer-cell-based-immunotherapy-in-the-treatment-of-endometrial-cancer-a-case-report-and-literature-review
#4
Yong Zhang, Yalong Qi, Axiang Wang, Baozhen Ma, Xiaomin Fu, Lingdi Zhao, Quanli Gao
Endometrial cancer is the most prevalent gynecological malignancy in the USA, and its treatment involves surgery, chemotherapy, and radiotherapy. Cytokine-induced killer (CIK) cell-based treatments have shown antitumor activity against several solid tumors. However, to the best of our knowledge, there are no reports yet of CIK immunotherapy in the treatment of endometrial cancer, and consequently, little is known about its efficacy and safety. Here, we report a case of an endometrial cancer patient receiving a combination treatment with CIK cells immunotherapy and chemotherapy...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29020787/-carcinosarcoma-of-the-endometrium-with-melanocytic-differentiation-case-report
#5
D Berezovskiy, P Vlasák, J Kosťun, J Bouda, J Presl
OBJECTIVE: The case report presents a case of 60-year old woman with a rare malignant mixed Müllerian tumor with melanomatous differentiation diagnosed from a histology after cervical polyp ablation and curettage. DESIGN: Case report. SETTING: Department of gynecology and obstetrics, University Hospital in Pilsen. CONCLUSION: Carcinosarcoma, previously malignant mixed Müllerian tumor, is a very rare aggressive endometrial carcinoma with low incidence, which typically occurs among older women and commonly affects the uterine body and cervix...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/29018838/adverse-post-operative-outcomes-in-jehovah-s-witnesses-with-gynecologic-cancer-within-30%C3%A2-days-of-surgery-a-single-institution-review-of-36-cases
#6
Laura J Moulton, Peter G Rose, Haider Mahdi
Rates of blood transfusion are reported as high as 32% in women undergoing major gynecologic cancer surgery. Therefore, care of the gynecologic oncology patient who refuses blood products, such as Jehovah's witnesses, can pose a unique challenge. The objective of this study was to determine rate of adverse post-operative outcomes within 30 days of surgery in Jehovah's witnesses with gynecologic cancer. This was a retrospective cohort study of Jehovah's witnesses undergoing laparotomy or minimally invasive surgery (MIS) for gynecologic cancer at a single institution...
November 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/29017989/uterine-fundectomy-in-patients-with-benign-etiology-undergoing-hysterectomy-new-surgical-technique
#7
AboTaleb Saremi, Homa Bahrami, Fariba Feizy
BACKGROUND: Hysterectomy is the most common surgical procedure in gynecology, not only in cases of malignancies but also in many benign cases. Many uterine preservation techniques have been introduced as alternatives to hysterectomy. OBJECTIVE: We aimed to propose a new uterine surgical procedure. In this paper, we compare the utility of this new technique to the limitations of current procedures. METHODS: Uterine fundectomy may be considered as a subtotal hysterectomy...
October 10, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28993108/evaluation-of-interfractional-variation-of-organs-and-displacement-of-catheters-during-high-dose-rate-interstitial-brachytherapy-for-gynecologic-malignancies
#8
Soyoung Lee, Ellis Rodney, Bryan Traughber, Tithi Biswas, Valdir Colussi, Tarun Podder
PURPOSE: To investigate the dosimetric effects due to interfractional changes in catheter position and variation in patient's anatomy during the course of interstitial high-dose-rate (HDR) brachytherapy. METHODS AND MATERIALS: A total of 15 patients with either cervical or vaginal cancer underwent interstitial HDR brachytherapy. Interstitial catheters and fiducials were placed under fluoroscopy and intraoperative 3T MRI to confirm the desired catheter placement for adequate target volume coverage...
October 6, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28992761/kras-mutation-testing-in-borderline-ovarian-tumors-and-low-grade-ovarian-carcinomas-with-a-rapid-fully-integrated-molecular-diagnostic-system
#9
Pawel Sadlecki, Paulina Antosik, Dariusz Grzanka, Marek Grabiec, Malgorzata Walentowicz-Sadlecka
Epithelial ovarian neoplasms are a heterogeneous group of tumors, including various malignancies with distinct clinicopathologic and molecular features. Mutations in BRAF and KRAS genes are the most frequent genetic aberrations found in low-grade serous ovarian carcinomas and serous and mucinous borderline tumors. Implementation of targeted therapeutic strategies requires access to highly specific and highly sensitive diagnostic tests for rapid determination of mutation status. One candidate for such test is fully integrated, real-time polymerase chain reaction-based Idylla™ system for quick and simple detection of KRAS mutations in formaldehyde fixed-paraffin embedded tumor samples...
October 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28990044/microrna%C3%A2-320-targets-mitogen%C3%A2-activated-protein-kinase-1-to-inhibit-cell-proliferation-and-invasion-in-epithelial-ovarian-cancer
#10
Yongqian Xu, Jian Hu, Chunxia Zhang, Yuanyuan Liu
Ovarian cancer is the second most frequently occurring cancer and the most fatal gynecological malignancy of all gynecological cancers worldwide. MicroRNAs (miR) have been reported to be downregulated or upregulated in a variety of human malignancies, and involved in the formation and progression of the majority of human cancers, including epithelial ovarian cancer (EOC). miR‑320 has been identified as a tumor suppressor in multiple human cancers. However, the expression levels, biological role and underlying mechanisms of miR‑320 in EOC remain to be elucidated...
September 29, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28988685/socioeconomic-disparities-affect-survival-in-malignant-ovarian-germ-cell-tumors-in-aya-population
#11
L V Bownes, L L Stafman, I I Maizlin, M Dellinger, K W Gow, A B Goldin, M Goldfarb, M Langer, M V Raval, J J Doski, J G Nuchtern, S A Vasudevan, E A Beierle
BACKGROUND: Malignant ovarian germ cell tumors (MOGCTs) are a rare form of ovarian malignancy. Socioeconomic status (SES) has been shown to affect survival in several gynecologic cancers. We examined whether SES impacted survival in adolescent and young adults (AYAs) with MOGCT. MATERIALS AND METHODS: The National Cancer Data Base was used to identify AYAs (aged 15-39 years) with MOGCT from 1998 to 2012. Three SES surrogate variables identified were as follows: insurance type, income quartile, and education quartile...
October 5, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28984773/ovarian-torsion-of-mixed-epithelial-tumor-misdiagnosed-as-a-malignancy-in-postmenopausal-woman-a-case-report
#12
Hyeji Jeon, Aeli Ryu, Hui-Gyeong Seo, Si-Hyong Jang
RATIONALE: Adnexal torsion is 1 of the most common emergency gynecological disease. It is more often diagnosed in reproductive age, but rarely in postmenopausal women. The clinical symptoms of adnexal torsion are nonspecific in postmenopausal women. Epithelial ovarian tumors are common in adults, and the risk of malignancy increases with age, especially after menopause. So, it is difficult to diagnose adnexal torsion precisely compared with reproductive women, and most cases of adnexal torsion with postmenopausal women are diagnosed as a malignancy preoperatively...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28979888/high-dose-rate-salvage-interstitial-brachytherapy-a-case-based-guide-to-the-treatment-of-therapeutically-challenging-recurrent-vulvar-cancer
#13
Kelly Eileen Hughes, Christopher M McLaughlin, Emma C Fields
Vulvar cancer is a rare gynecological malignancy with incidence rates steadily increasing over the past 10 years. Despite aggressive treatment, recurrent disease is common. Vulvar cancer recurrence poses a significant therapeutic challenge as most patients have been previously treated with surgery and/or radiation limiting the options for additional treatment. There are no consensus guidelines for the treatment of recurrent disease. Current literature supports the use of salvage interstitial brachytherapy...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28975775/morcellation-of-occulted-sarcomas-during-laparoscopic-myomectomy-and-hystrectomy-for-patients-with-large-fibroid-uterus
#14
Andrea Tinelli, Samir A Farghaly
In April 2014, the United States of America Food and Drug Administration (FDA) published a safety communication warning of the risk of an unsuspected uterine sarcoma being morcellated during a laparoscopic procedure, and advised against the use of power morcellation. In November of the same year, this agency stated: 1. Laparoscopic power morcellators are contraindicated for removal of uterine tissue containing suspected fibroids in patients who are peri- or post-menopausal, or are candidates for "en bloc" tissue removal...
October 3, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28972400/knockdown-of-mir-629-inhibits-ovarian-cancer-malignant-behaviors-by-targeting-testis-specific-y-like-protein-5
#15
Liping Shao, Zongji Shen, Hua Qian, Sufang Zhou, Youguo Chen
Ovarian cancer (OC) is the most lethal gynecological cancer. The molecular mechanism of it is complicated, and numerous researches suggest that microRNAs are key regulators for it. This study was to investigate the pivotal role of miR-629 in the progression of OC and to reveal the possible molecular mechanism of its action. Testis-specific Y-like protein 5 (TSPYL5) is a tumor suppressor gene in various cancers, but there is little for its role in OC. OC OVCAR3 cells were transfected with the miR-629 vector, miR-629 inhibitor, and/or small interfering RNA (siRNA) targeting TSPYL5 (si-TSPYL5), respectively...
October 3, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28969139/immunohistochemical-study-of-er-pr-ki67-and-p53-in-endometrial-hyperplasias-and-endometrial-carcinomas
#16
Nayar Musfera Abdul Masjeed, Siddhi Gaurish Sinai Khandeparkar, Avinash R Joshi, Maithili Mandar Kulkarni, Nidhi Pandya
INTRODUCTION: Endometrial carcinoma is the second most common gynecologic malignancy in the developing countries. Endometrial Hyperplasia (EH) is a precursor to Endometrioid Adenocarcinoma (EMAC). A 23% of Atypical Hyperplasias (AEH) progress to EMAC. AIM: This study was undertaken to analyse ER, PR, p53 and Ki67 in EH and endometrial carcinomas and attempt correlation with clinical and histopathological findings. MATERIALS AND METHODS: The present study was conducted over a period of seven years...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28969098/car-t-cell-therapy-in-ovarian-cancer-from-the-bench-to-the-bedside
#17
REVIEW
Xinxin Zhu, Han Cai, Ling Zhao, Li Ning, Jinghe Lang
Ovarian cancer (OC) is the most lethal gynecological malignancy and is responsible for most gynecological cancer deaths. Apart from conventional surgery, chemotherapy, and radiotherapy, chimeric antigen receptor-modified T (CAR-T) cells as a representative of adoptive cellular immunotherapy have received considerable attention in the research field of cancer treatment. CARs combine antigen specificity and T-cell-activating properties in a single fusion molecule. Several preclinical experiments and clinical trials have confirmed that adoptive cell immunotherapy using typical CAR-engineered T cells for OC is a promising treatment approach with striking clinical efficacy; moreover, the emerging CAR-Ts targeting various antigens also exert great potential...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28969062/identification-of-long-non-coding-rna-signature-for-paclitaxel-resistant-patients-with-advanced-ovarian-cancer
#18
Luqing Wang, Yanjun Hu, Xiaohong Xiang, Kai Qu, Yue Teng
Ovarian cancer is the most lethal gynecologic malignancy, characterized by late diagnosis, frequent relapse, and easy development of chemoresistance. Recent studies suggest that lncRNAs are involved in ovarian cancer onset and progression, as well as the resistance in paclitaxel-containing chemotherapy. However, the genome-wide expression pattern and associated functional implications of lncRNAs in paclitaxel-resistant ovarian cancer cells remain undetermined. In the present study, we identified a panel of lncRNAs aberrantly expressed in both paclitaxel resistant ovarian cancer tissues and cell lines, including XR_948297, XR_947831, XR_938728, XR_938392, NR_103801, NR_073113, and NR_036503...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28967068/the-importance-of-hcg-in-human-endometrial-adenocarcinoma-and-breast-cancer
#19
Alexandra C Kölbl, Kristina Schlenk, Nils Behrendt, Ulrich Andergassen
Human chorionic gonadotropin (hCG) is a peptide hormone which plays an important role during pregnancy. But its impact is not limited to pregnancy; it also influences tumor formation and metastatic outgrowth, especially in endometrial adenocarcinoma and breast cancer. This review summarizes what has been written in the literature about the role of hCG as a tumor marker in these 2 gynecological malignancies and also about the signal transduction pathways in which hCG is involved. HCG can, on the one hand, be a marker for the progression of a malignant disease, and on the other hand, it may be a point for therapeutical intervention, so further research into this molecule would be very much worthwhile...
September 25, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/28964786/multiparity-activates-interferon-pathways-in-peritoneal-adipose-tissue-and-decreases-susceptibility-to-ovarian-cancer-metastasis-in-a-murine-allograft-model
#20
Elizabeth A Loughran, Ryan C Phan, Annemarie K Leonard, Laura Tarwater, Marwa Asem, Yueying Liu, Jing Yang, Yuliya Klymenko, Jeff Johnson, Zonggao Shi, Tyvette Hilliard, Marielle Blumenthaler, Matthew Leevy, Matthew J Ravosa, M Sharon Stack
Ovarian cancer is the fifth leading cause of cancer deaths in U.S. women and the deadliest gynecologic malignancy. This lethality is largely due to the fact that most cases are diagnosed at metastatic stages of the disease when the prognosis is poor. Epidemiologic studies consistently demonstrate that parous women have a reduced risk of developing ovarian cancer, with a greater number of births affording greater protection; however little is known about the impact of parity on ovarian cancer metastasis. Here we report that multiparous mice are less susceptible to ovarian cancer metastasis in an age-matched syngeneic murine allograft model...
September 28, 2017: Cancer Letters
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