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Ovarial pathology

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https://www.readbyqxmd.com/read/29148539/extrauterine-high-grade-serous-carcinomas-with-bilateral-adnexal-involvement-as-the-only-two-disease-sites-are-clonal-based-on-tp53-sequencing-results-implications-for-biology-classification-and-staging
#1
Naveena Singh, Asma Faruqi, Friedrich Kommoss, W Glenn McCluggage, Giorgia Trevisan, Janine Senz, Amy Lum, C Blake Gilks, Michael Anglesio
A previous multicenter study of 67 cases of Stage I/II tubo-ovarian high-grade serous carcinoma with complete tubal sampling identified 7 cases in which there were only two disease sites, comprising tumor involving opposite adnexa with no extra-adnexal involvement. This study aimed to determine whether such low-stage extrauterine high-grade serous carcinomas with only two sites of involvement, located on opposite adnexa, have identical or different TP53 mutations in order to investigate their clonal relationship...
November 17, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29147461/the-role-of-antioxidant-enzymes-in-the-ovaries
#2
REVIEW
Shan Wang, Guolin He, Meng Chen, Tao Zuo, Wenming Xu, Xinghui Liu
Proper physiological function of the ovaries is very important for the entire female reproductive system and overall health. Reactive oxygen species (ROS) are generated as by-products during ovarian physiological metabolism, and antioxidants are indicated as factors that can maintain the balance between ROS production and clearance. A disturbance in this balance can induce pathological consequences in oocyte maturation, ovulation, fertilization, implantation, and embryo development, which can ultimately influence pregnancy outcomes...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29141509/relative-morphokinetics-assessed-by-time-lapse-imaging-are-altered-in-embryos-from-patients-with-endometriosis
#3
Alexander Freis, Jens Erik Dietrich, Moritz Binder, Verena Holschbach, Thomas Strowitzki, Ariane Germeyer
INTRODUCTION: Time-lapse technology allows almost continuous noninvasive assessment of embryonic development. It was shown previously that relative kinetics defining cleavage synchronicity are better predictors of blastocyst quality than absolute time points. This study aims to compare relative kinetics in embryos from patients with and without endometriosis. METHODS: Time-lapse data were collected retrospectively from 596 patients undergoing infertility treatment for in vitro fertilization from January 2011 to July 2016...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/29140878/clear-cell-renal-cell-carcinoma-metastatic-to-the-gynecologic-tract-a-clinicopathologic-analysis-of-17-cases
#4
Oluwole Fadare, Mohamed M Desouki, Katja Gwin, Krisztina Z Hanley, Elke A Jarboe, Sharon X Liang, Charles M Quick, Kojo R Rawish, Andres A Roma, Wenxin Zheng, Jonathan L Hecht, Vinita Parkash, Adeboye O Osunkoya
Clear cell renal cell carcinomas (CCRCC) rarely metastasizes to the gynecologic tract. In this study, we analyzed a multi-institutional data set to provide insights into the clinical, morphologic, and immunophenotypic features of this phenomenon. Seveteen metastatic CCRCC involving the gynecologic tract [ovary/fallopian tube (n=9), vulva (n=2), uterine corpus (n=3), cervix (n=2), uterine serosa (n=1)] were analyzed. Mean patient age was 62 yr (range: 45-79 yr). Most cases (15/17) presented as a recurrence 6 to 72 mo postnephrectomy, 1 case was concurrently diagnosed, and 1 case (a cervical metastasis) was diagnosed prenephrectomy...
November 14, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29138597/characteristics-and-prognostic-factors-of-colorectal-mucinous-adenocarcinoma-with-signet-ring-cells
#5
Xiangquan Kong, Xueqing Zhang, Yunxia Huang, Lirui Tang, Qingqin Peng, Jinluan Li
Background: Colorectal signet ring cell (SRC) carcinoma occurs rarely with a poor prognosis. The present study assessed the prognostic factors and predictive value of SRC ratio in colorectal mucinous adenocarcinoma (MAC) with SRCs (MAC-SRC). Patients and methods: A total of 95 consecutive colorectal MAC-SRC patients, confirmed pathologically from February 1987 to December 2015, were analyzed retrospectively in our institute. Clinical characteristics, pathological grade, TNM staging, and SRC ratio were assessed to identify the prognostic factors related to progression-free survival (PFS) and overall survival (OS)...
2017: Cancer Management and Research
https://www.readbyqxmd.com/read/29131764/nongynecologic-findings-seen-at-pelvic-us
#6
Akram M Shaaban, Maryam Rezvani, Jeffrey D Olpin, Anne M Kennedy, Ayman H Gaballah, Bryan R Foster, Christine O Menias, Khaled M Elsayes
Ultrasonography (US) is frequently the first imaging modality used to examine women with symptoms involving the pelvis. It is widely available and involves no exposure to ionizing radiation. Images can be acquired with a transabdominal, endovaginal, or translabial approach, and the use of video clips and three-dimensional reconstructions can be helpful. US is excellent for assessment of the uterus, ovaries, and adnexa. Occasionally, nongynecologic pelvic diseases arising from the gastrointestinal, genitourinary, and musculoskeletal systems and the pelvic peritoneal and extraperitoneal spaces may be detected and can be a source of diagnostic dilemma...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29100822/-which-ovarian-stimulation-to-which-women-the-polycystic-ovary-syndrome-pcos
#7
P Merviel, S Bouée, M Ménard, M-T Le Martelot, S Roche, C Lelièvre, J-J Chabaud, C Jacq, H Drapier, D Beauvillard
Polycystic ovarian syndrome (PCOS) is a frequent pathology in the young woman, linking infertility to a metabolic disease. Initial support will include a plan (in the case of overweight or obesity) to lose at least 5 to 10% of the weight. Subsequently, clomiphene citrate is the first treatment for ovulation induction with pregnancy rates of 40 to 80% after 6 cycles. If there is resistance to clomiphene citrate, the choice will be between the ovarian drilling (50-60% of pregnancy in the year following, including the half spontaneous) or ovarian stimulation with gonadotropins...
October 31, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29100622/value-of-selective-venous-catheterization-in-the-diagnosis-of-hyperandrogenism
#8
Lisa C Hickman, Linnea Goodman, Tommaso Falcone
OBJECTIVE: To discuss the clinical utility of ovarian vessel sampling in the context of the evaluation and treatment of ovarian hyperthecosis. DESIGN: Patient presentation in video format, ovarian vessel sampling demonstration, surgical technique explanation, surgical histology discussion and ovarian hyperthecosis review. SETTING: Academic medical center. PATIENT(S): A 30-year-old nulligravid female presented with severe hyperandrogenic features, consistent with polycystic ovary syndrome...
October 31, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/29096293/effects-of-the-bioconcentration-and-parental-transfer-of-environmentally-relevant-concentrations-of-difenoconazole-on-endocrine-disruption-in-zebrafish-danio-rerio
#9
Miaomiao Teng, Suzhen Qi, Wentao Zhu, Yao Wang, Dezhen Wang, Kai Dong, Chengju Wang
Difenoconazole, a typical triazole fungicide, inhibits lanosterol-14R-demethylase (CYP51) to prevent fungal sterol synthesis and its residues are frequently detected in the environment due to its wide application. Previous studies have demonstrated that difenoconazole altered the triglyceride levels, and gene expression relevant to cholesterol biosynthesis in zebrafish. However, endocrine-disruption in the hypothalamus-pituitary-gonadal-liver (HPGL) axis, the effects of transferring to offspring, and the underlying mechanisms of difenoconazole in aquatic organisms are still unknown...
October 26, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29089199/microrna-27a-3p-affects-estradiol-and-androgen-imbalance-by-targeting-creb1-in-the-granulosa-cells-in-mouse-polycytic-ovary-syndrome-model
#10
Mingming Wang, Mei Liu, Jing Sun, Lina Jia, Shuoqian Ma, Jun Gao, Yunyun Xu, Hongwen Zhang, Suk Ying Tsang, Xiangdong Li
Polycystic ovary syndrome (PCOS) is a common endocrine abnormality in women characterized by a menstrual disturbance with chronic anovulation and hyperandrogenism, polycystic ovaries, and insulin resistance. MicroRNAs (miRNAs) are important fine-tune regulators involved in various physiological and pathological processes, but their actions are not fully understood. In this study, we observed the increased expression of miR-27a-3p in the ovaries of mice with PCOS and explored its functions in primary mouse granulosa cells (mGCs) and the mouse granulosa-like tumor cell line, KK-1, using several approaches...
October 28, 2017: Reproductive Biology
https://www.readbyqxmd.com/read/29081063/selenium-and-zinc-against-a%C3%AE-25-35-induced-cytotoxicity-and-tau-phosphorylation-in-pc12-cells-and-inhibits-%C3%AE-cleavage-of-app
#11
Guang-Zhe Li, Fang Liu, Cui Xu, Jing-Yang Li, Yan-Ji Xu
Amyloid beta (Aβ) is the main component of the amyloid plaques that accumulate in the brains of Alzheimer patients. The present study was conducted to investigate whether the combined treatment with selenium (Se) and zinc (Zn) offers more beneficial effects than that provided by either of them alone in reversing Aβ25-35-induced neurotoxicity in PC12 cells. Cells were pretreated with 0.1 μmol/L of Se and Zn for 4 h, after treated with 10 mmol/L Aβ25-35 for 24 h. Cells were divided into control and five treated groups, and received either 10 mmol/L Aβ25-35,10 mmol/L Aβ25-35 + 0...
October 28, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29078648/video-assisted-thoracoscopic-and-open-chest-surgery-in-diagnosis-and-treatment-of-malignant-pleural-diseases
#12
REVIEW
Periklis Perikleous, David A Waller
Parenchymal cancers of lung, breast, gastrointestinal tract and ovaries as well as lymphomas and mesotheliomas are among the most common cancer types causing malignant effusions, though almost all tumour types have been reported to cause a malignant effusion. The prognosis heavily depends on patients' response to systemic therapy however, regardless of the causing pathology and histopathologic form, malignant pleural disease is normally associated with a poor prognosis. To date, there are not sufficient data to allow accurate predictions of survival that would facilitate decision making for managing patients with malignant pleural diseases...
2017: J Vis Surg
https://www.readbyqxmd.com/read/29069000/ovarian-torsion-in-children-development-of-a-predictive-score
#13
Philipp Bolli, Sabine Schädelin, Stefan Holland-Cunz, Peter Zimmermann
The aim of this study was to identify clinical signs and symptoms of ovarian torsion (OT) in children and to develop a simple predictive score.A chart review of patients with acute adnexal pathologies treated at the University Children's Hospital Basel, Switzerland, between March 2006 and June 2015 was performed. Medical records were screened for demographic and clinical data. These included clinical symptoms, laboratory studies, imaging, and type of treatment. The diagnosis OT was defined as intraoperative visualization of the torsed ovary around its pedicle at least 360 degrees...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29060967/-significance-and-expression-of-pax8-pax2-p53-and-ras-in-ovary-and-fallopian-tubes-to-origin-of-ovarian-high-grade-serous-carcinoma
#14
Y N Mao, L X Zeng, Y H Li, Y Z Liu, J Y Wu, L Li, Q Wang
Objective: To explore the origin of ovarian high grade serous carcinoma (HGSC) through analysing the expression and significance of PAX8, PAX2, p53 and RAS in the ovary and fallopian tube of different types and grades of serous carcinoma. Methods: A total of 44 cases tissue samples of ovarian tumor including 34 malignant ovarian tumor and 10 normal normal tissue (as control group) were collected from the admitted patients in Affiliated Tumor Hospital of Guangxi Medical University from January 2015 to January 2016...
October 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/29055817/retroperitoneal-nodal-metastasis-in-primary-adult-type-granulosa-cell-tumor-of-the-ovary-can-routine-lymphadenectomy-be-omitted
#15
Oguzhan Kuru, Gokhan Boyraz, Hasan Uckan, Anıl Erturk, Murat Gultekin, Nejat Ozgul, Coskun Salman, Kunter Yuce
OBJECTIVE: To investigate the incidence of retroperitoneal lymph node metastasis among patients with primary adult type granulosa cell tumor (AGCT) of the ovary. STUDY DESIGN: Between January 1982 and February 2017, patients with a pathological diagnosis of AGCT were identified. Clinical and pathological data were obtained from database records. RESULTS: A total of 151 patients with primary AGCT were identified with a mean age of 47.8 years (range, 17-91 years)...
October 9, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29038912/-erratum-to-the-2016-update-of-the-s3-guideline-for-malignant-tumours-of-the-ovary-role-of-pathology-in-diagnosis-therapy-and-clinical-management-of-epithelial-tumours
#16
https://www.readbyqxmd.com/read/29030588/impaired-branched-chain-amino-acid-metabolism-may-underlie-the-nonalcoholic-fatty-liver-disease-like-pathology-of-neonatal-testosterone-treated-female-rats
#17
Álvaro Anzai, Rodrigo R Marcondes, Thiago H Gonçalves, Kátia C Carvalho, Manuel J Simões, Natália Garcia, José M Soares, Vasantha Padmanabhan, Edmund C Baracat, Ismael D C G da Silva, Gustavo A R Maciel
Polycystic ovary syndrome (PCOS) is frequently associated with non-alcoholic fatty liver disease (NAFLD), but the mechanisms involved in the development of NAFLD in PCOS are not well known. We investigated histological changes and metabolomic profile in the liver of rat models of PCOS phenotype induced by testosterone or estradiol. Two-day old female rats received sc injections of 1.25 mg testosterone propionate (Testos; n = 10), 0.5 mg estradiol benzoate (E2; n = 10), or vehicle (control group, CNT; n = 10)...
October 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29029123/outcome-of-elevated-ca125-values-from-primary-care-following-implementation-of-ovarian-cancer-guidelines
#18
S Michael Crawford, Colin Evans
Background: Ovarian cancer presents later in the UK compared to economically similar countries. National guidance suggests measuring CA125 in primary care as a means of bringing patients to specialist attention. Aim: To investigate the outcome of CA125 values measured in accordance with this policy. Setting and design: Examination of the laboratory records of female patients from the usual catchment population of one general hospital in whom CA125 was measured from primary care in a calendar year...
September 28, 2017: Family Practice
https://www.readbyqxmd.com/read/29027807/biochemistry-of-the-menopause
#19
John W Honour
The life of a human female is characterized from teenage years by monthly menstruation which ceases (the menopause) typically between the age of 40 and 60 years. The potential for reproduction declines and ceases as the ovaries become depleted of follicles. A transition period in mid-life, for 2 to 10 years, when menstruation is less regular is called the perimenopause. The menopause is associated with a significant decline in plasma concentrations of sex hormones, an increase in the concentrations of the gonadotrophins and changes in other hormones such as the inhibins...
January 1, 2017: Annals of Clinical Biochemistry
https://www.readbyqxmd.com/read/29020999/beneficial-effects-of-heqi-san-on-rat-model-of-polycystic-ovary-syndrome-through-the-pi3k-akt-pathway
#20
Hengxia Zhao, Daocheng Zhou, Ye Chen, Deliang Liu, Shufang Chu, Shimao Zhang
BACKGROUND: Heqi San, a traditional Chinese medicine (TCM) has been reported to regulate hormone levels in patients with metabolic disease, suggesting a potential clinical application. In the current study, we aimed to elucidate the effect of Heqi San on rat model of polycystic ovary syndrome (PCOS). METHOD: PCOS model was established in female SD rats. Rats were randomly divided into four groups: the control, untreated PCOS model, Heqi San treated PCOS model (8...
October 11, 2017: Daru: Journal of Faculty of Pharmacy, Tehran University of Medical Sciences
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