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Ovarian cyst

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https://www.readbyqxmd.com/read/28101917/imaging-in-gynecological-disease-clinical-and-ultrasound-features-of-invasive-and-non-invasive-malignant-serous-ovarian-tumors
#1
F Moro, C Baima Poma, G F Zannoni, A Vidal Urbinati, T Pasciuto, M Ludovisi, M C Moruzzi, S Carinelli, D Franchi, G Scambia, A C Testa
OBJECTIVES: To describe clinical and ultrasound features of different subclasses of malignant serous ovarian tumors according to the WHO 2014 classification. METHODS: Patients with a histological diagnosis of borderline (BOT), non-invasive and invasive low grade serous carcinomas (LGSC) and high grade serous carcinoma (HGSC), who had undergone preoperative ultrasound examination, were retrospectively identified from two ultrasound centers. The masses were described using the terms of the International Ovarian Tumor Analysis group...
January 19, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28099732/the-impact-of-laparoscopic-cystectomy-on-ovarian-reserve-in-patients-with-unilateral-and-bilateral-endometrioma
#2
Abolfazl Mehdizadeh Kashi, Shahla Chaichian, Shideh Ariana, Masoumeh Fazaeli, Yousef Moradi, Mandana Rashidi, Zahra Najmi
OBJECTIVE: To evaluate the effects of laparoscopic cystectomy on serum anti-Müllerian hormone (AMH) level as a marker of ovarian reserve in patients with endometrioma. METHODS: A prospective observational study enrolled patients aged younger than 40 years who were referred to a tertiary center in Tehran, Iran, between January 1, 2013 and December 31, 2014 to undergo laparoscopic cystectomy for ovarian endometriomas at least 30 mm in diameter, or regardless of size for patients with infertility, dysmenorrhea, dyspareunia, or dyschezia...
February 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28093350/a-visual-screen-for-diet-regulated-proteins-in-the-drosophila-ovary-using-gfp-protein-trap-lines
#3
Hwei-Jan Hsu, Daniela Drummond-Barbosa
The effect of diet on reproduction is well documented in a large number of organisms; however, much remains to be learned about the molecular mechanisms underlying this connection. The Drosophila ovary has a well described, fast and largely reversible response to diet. Ovarian stem cells and their progeny proliferate and grow faster on a yeast-rich diet than on a yeast-free (poor) diet, and death of early germline cysts, degeneration of early vitellogenic follicles and partial block in ovulation further contribute to the ∼60-fold decrease in egg laying observed on a poor diet...
January 13, 2017: Gene Expression Patterns: GEP
https://www.readbyqxmd.com/read/28093231/the-effects-of-6-gingerol-on-reproductive-improvement-liver-functioning-and-cyclooxygenase-2-gene-expression-in-estradiol-valerate-induced-polycystic-ovary-syndrome-in-wistar-rats
#4
Parisa Sadat Pournaderi, Parichehreh Yaghmaei, Hamidreza Khodaei, Zahra Noormohammadi, Seyed Hossein Hejazi
6- gingerol is the major pungent ingredient of ginger with anti-inflammatory and antioxidant properties. In this study, we evaluate the effects of 6- gingerol on the biochemical parameters and ovarian histological improvements in estradiol valerate (EV) induced PCOS rats. Thirty six female Wistar rats were divided into 4 groups: control, received normal diet, PCOS control, received 4 mg/kg EV injection for 28 days and two experimental groups, received an EV injection for 28 days and followed by 6- gingerol (200 μg/kg and 400 μg/kg) for 14 days...
January 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28089945/zearalenone-exposure-impairs-ovarian-primordial-follicle-formation-via-down-regulation-of-lhx8-expression-in-vitro
#5
Guo-Liang Zhang, Xiao-Feng Sun, Yan-Zhong Feng, Bo Li, Ya-Peng Li, Fan Yang, Charles Martin Nyachoti, Wei Shen, Shi-Duo Sun, Lan Li
Zearalenone (ZEA) is an estrogenic mycotoxin mainly produced as a secondary metabolite by numerous species of Fusarium. Previous work showed that ZEA had a negative impact on domestic animals with regard to reproduction. The adverse effects and the mechanisms of ZEA on mammalian ovarian folliculogenesis remain largely unknown, particularly its effect on primordial follicle formation. Thus, we investigated the biological effects of ZEA exposure on murine ovarian germ cell cyst breakdown and primordial follicle assembly...
January 12, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28089684/the-impact-of-cystectomy-on-ovarian-reserve-a-review-of-the-literature
#6
REVIEW
Roa Alammari, Michelle Lightfoot, Hye-Chun Hur
Ovarian cysts are common in the reproductive age. Pathological cysts such as endometriomas and dermoids often require surgical intervention if symptomatic. Laparoscopic cystectomy is the first line treatment for these cysts, and is associated with better pain control and less recurrence than drainage or cyst ablation procedures. There has been an emerging concern about the effect of ovarian cystectomy on ovarian reserve with some evidence of short term and long term reduction in ovarian reserve. Certain cyst characteristics (endometrioma pathology, large cyst size, bilateral presentation) are associated with greater decline in ovarian reserve after cystectomy...
January 9, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28088992/prevalence-of-hormonal-and-endocrine-dysfunction-in-patients-with-lichen-planopilaris-lpp-a-retrospective-data-analysis-of-168-patients
#7
Geraldine Cheyana Ranasinghe, Melissa P Piliang, Wilma F Bergfeld
BACKGROUND: Studies on the pathophysiology and comorbidities associated with lichen planopilaris (LPP) and frontal fibrosing alopecia (FFA) are limited. OBJECTIVE: The purpose of this study was to determine the prevalence of androgen excess in the postmenopausal LPP population, in relation to demographics and comorbidities. METHODS: A retrospective data analysis of 413 patients with LPP, FFA, and LPP/FFA seen in the Department of Dermatology at the Cleveland Clinic Foundation in Ohio between 2005 and 2015 was conducted...
February 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28077272/evaluation-of-sodium-arsenite-exposure-on-reproductive-competence-in-pregnant-and-postlactational-dams-and-their-offspring
#8
Nadia Soledad Bourguignon, María Marta Bonaventura, Diego Rodríguez, Marianne Bizzozzero, Clara Ventura, Mariel Nuñez, Victoria Adela Lux-Lantos, Carlos Libertun
We investigated arsenite exposure on the reproductive axis of dams (during pregnancy and at cyclicity resumption) and their offspring. Pregnant rats were exposed to 5 (A5) or 50ppm (A50) of sodium arsenite in drinking water from gestational day 1 (GD1) until sacrifice at GD18 or two months postpartum. Offspring were exposed to the same treatment as their mothers from weaning to adulthood. A50-pregnant rats gained less weight, showed increased testosterone and estradiol but pregnancy was unaffected. After lactation, arsenic-exposed dams presented compromised cyclicity, decreased estradiol, increased follicle-stimulating hormone (FSH), less preovulatory follicles and presence of ovarian cysts, suggesting impaired reproduction...
January 7, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28076877/ultrasound-imaging-for-ovarian-and-deep-infiltrating-endometriosis
#9
Caterina Exacoustos, Errico Zupi, Emilio Piccione
The main challenges of imaging for endometriosis are the detection of nonovarian disease and the evaluation of the extension of the disease into pelvic structures. Transvaginal ultrasonography (TVS) has been proposed as the first-line imaging technique because it allows extensive exploration of the pelvis. The "typical" endometrioma is a unilocular cyst with homogeneous low-level echogenicity (ground glass echogenicity) of the cyst fluid. The use of color Doppler helps avoid classifying malignancies as endometriomas, defining the presence of vascular flow in papillations...
January 11, 2017: Seminars in Reproductive Medicine
https://www.readbyqxmd.com/read/28059101/steroid-hormone-synthesis-by-the-ovarian-stroma-surrounding-epithelial-ovarian-tumors-a-potential-mechanism-in-ovarian-tumorigenesis
#10
Luis Z Blanco, Elisabetta Kuhn, Jane C Morrison, Asli Bahadirli-Talbott, Anne Smith-Sehdev, Robert J Kurman
Epithelial ovarian tumors are responsive to steroid hormone stimulation and the ovarian stroma may have a direct role in this process. We evaluated immunohistochemical markers of sex-steroid differentiation and steroidogenesis (calretinin, inhibin, steroidogenic factor 1), steroid enzymes involved in hormone biosynthesis (CYP17, CYP19, HSD17β1, AKR1C3), and hormone receptors (estrogen receptor, progesterone receptor, and androgen receptor) in 101 epithelial ovarian tumors and in normal structures implicated in ovarian carcinogenesis (ovarian surface epithelium and cortical inclusion cysts) in an attempt to elucidate this process...
January 6, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28054178/hemosuccus-pancreaticus-caused-by-a-mucinous-cystic-neoplasm-of-the-pancreas
#11
Yuri Matsumoto, Hiroshi Miyamoto, Akira Fukuya, Fumika Nakamura, Takahiro Goji, Shinji Kitamura, Tetsuo Kimura, Koichi Okamoto, Masahiro Sogabe, Naoki Muguruma, Mitsuo Shimada, Yoshimi Bando, Tetsuji Takayama
Hemosuccus pancreaticus is a gastrointestinal hemorrhage through the main pancreatic duct. Here, we report a rare case of hemosuccus pancreaticus due to a mucinous cystic neoplasm of the pancreas. A 62-year-old woman who had been followed for a branch duct intraductal papillary mucinous neoplasm visited our emergency room due to severe abdominal pain and bloody discharge. Computed tomography revealed that the pancreatic cyst increased the tension of the wall and a high-density area indicative of bleeding into the cyst was observed...
January 4, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28050596/an-ovarian-mature-cystic-teratoma-evolving-in-squamous-cell-carcinoma-a-case-report-and-review-of-the-literature
#12
REVIEW
C Goudeli, A Varytimiadi, N Koufopoulos, J Syrios, E Terzakis
Mature cystic teratomas (MCT), also known as dermoid cysts, are the most common ovarian germ cell tumors and the most common ovarian neoplasms in patients younger than 20 years. Malignant transformation (MT) is a rare complication of MCTs which may occur in 1-2% of the cases. Squamous cell carcinoma (SCC) is the most frequent histology arising from MCTs and its appearance depends on diverse risk factors such as patient's age, the size of the tumor and levels of serum tumor markers. Diagnosis and treatment constitute a big challenge due to the rarity and the aggressive course of this entity...
February 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28045919/alterations-in-gut-microbiome-composition-and-barrier-function-are-associated-with-reproductive-and-metabolic-defects-in-women-with-polycystic-ovary-syndrome-pcos-a-pilot-study
#13
Lisa Lindheim, Mina Bashir, Julia Münzker, Christian Trummer, Verena Zachhuber, Bettina Leber, Angela Horvath, Thomas R Pieber, Gregor Gorkiewicz, Vanessa Stadlbauer, Barbara Obermayer-Pietsch
BACKGROUND: Polycystic ovary syndrome (PCOS) is a common female endocrinopathy of unclear origin characterized by hyperandrogenism, oligo-/anovulation, and ovarian cysts. Women with PCOS frequently display overweight, insulin resistance, and systemic low-grade inflammation. We hypothesized that endotoxemia resulting from a leaky gut is associated with inflammation, insulin resistance, fat accumulation, and hyperandrogenemia in PCOS. In this pilot study, we compared the stool microbiome, gut permeability, and inflammatory status of women with PCOS and healthy controls...
2017: PloS One
https://www.readbyqxmd.com/read/28044991/age-specific-frequencies-and-characteristics-of-ovarian-cysts-in-children-and-adolescents
#14
Hamdi Cihan Emeksiz, Okşan Derinöz, Esra Betül Akkoyun, Faruk Güçlü Pınalı, Aysun Bideci
OBJECTIVE: The aim of the present study was to document ovarian cyst frequency and characteristics, as well as distribution of these parameters with respect to age in children and adolescents. METHODS: We retrospectively analyzed the medical records of 1009 girls between the ages of 5-18 years who presented to pediatric emergency department with pelvic pain and therefore underwent pelvic ultrasound examination between June 2011 and May 2014. RESULTS: In total, 132 of 1009 girls (13...
December 30, 2016: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/28043359/aberrant-effects-of-altrenogest-and-exposure-to-exogenous-gonadotropins-on-follicular-cysts-appearance-in-gilts
#15
A J Ziecik, J Klos, E Przygrodzka, R Milewski, B Jana
Research was conducted to determine the effect of altrenogest and exposure to exogenous gonadotropins on ovarian function in prepubertal and mature gilts. Crossbred, presumably sexually mature gilts (n = 51), were fed with altrenogest for 18 consecutive days and the day after the last feeding with altrenogest, gilts were treated with eCG and 72 hours later challenged with hCG. Animals were slaughtered on Days 10 to 13 of their gonadotropins synchronized estrous cycle. Ovaries were examined for the number of CL, number of follicular cysts, and presence of corpora albicantia...
February 2017: Theriogenology
https://www.readbyqxmd.com/read/28042410/non-ovarian-pelvic-cyst-not-specific-enough
#16
Maryam Al-Shukri, Wadha Al-Ghafri, Muna Al-Badi, Vaidyanathan Gowri
No abstract text is available yet for this article.
January 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28028390/spectrum-of-childhood-and-adolescent-ovarian-tumors-in-india-25-years-experience-at-a-single-institution
#17
Ruchi Rathore, Sonal Sharma, Deepshikha Arora
BACKGROUND: Ovarian tumour in children and adolescent girls form an uncommon but important part of gynaecological malignancies. They account for 1% of all the childhood malignancies and 8% of all abdominal tumours in children. Since the ovarian cysts are thought to arise from mature follicles, these tumours were considered to be infrequent in the paediatric population. AIM: The rarity of this condition prompted us to conduct this study and share our experience on the incidence and clinicopathological features of different ovarian tumours in girls up to 20 years of age observed in last 25 years at a single tertiary care hospital...
December 15, 2016: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28024877/neonatal-ovarian-cysts-ultrasound-assessment-and-differential-diagnosis
#18
R Llorens Salvador, C Sangüesa Nebot, A Pacheco Usmayo, S Picó Aliaga, E Garcés Iñigo
Ovarian cysts are the most common abdominal cysts in female fetuses and newborn girls. Ultrasonography is the imaging technique of choice for diagnosing ovarian cysts because it makes it possible to differentiate them from other cystic lesions. Although most neonatal ovarian cysts regress in the first few months after birth, complications can occur during gestation or after birth. The manifestations of ovarian cysts on ultrasonography will depend on the complications. The management is controversial, although the current trend favors watchful waiting...
December 23, 2016: Radiología
https://www.readbyqxmd.com/read/28005395/conditional-ablation-of-progesterone-receptor-membrane-component-2-causes-female-premature-reproductive-senescence
#19
N C Clark, C A Pru, S P Yee, J P Lydon, J J Peluso, J K Pru
The non-classical progesterone receptors, progesterone receptor membrane component (PGRMC) 1 and PGRMC2 have been implicated in regulating cell survival of endometrial and ovarian cells in vitro and are abundantly expressed in these cell types. The objective of this study was to determine if Pgrmc1 and Pgrmc2 are essential for normal female reproduction. To accomplish this objective, Pgrmc1 and/or Pgrmc2 floxed mice (Pgrmc2(fl/fl) and Pgrmc1/2(fl/fl)) were crossed with Pgr-cre mice which resulted in the conditional ablation of Pgrmc1 and/or Pgrmc2 from female reproductive tissues (i...
December 22, 2016: Endocrinology
https://www.readbyqxmd.com/read/28004457/clinical-and-ultrasound-characteristics-of-surgically-removed-adnexal-lesions-with-a-largest-diameter-%C3%A2-2-5-cm-a-pictorial-essay
#20
A Di Legge, P Pollastri, R Mancari, M Ludovisi, F Mascilini, D Franchi, D Jurkovic, M E Coccia, D Timmerman, G Scambia, A Testa, L Valentin
OBJECTIVES: The aim was to describe the ultrasound characteristics, the indications for surgery and the histological diagnoses of surgically removed adnexal masses with largest diameter <2.5 cm ("very small tumors"), to estimate sensitivity and specificity with regard to malignancy of subjective assessment of ultrasound images of very small tumors, and to present a gallery of ultrasound images of surgically removed very small tumors especially those causing diagnostic difficulties...
December 22, 2016: Ultrasound in Obstetrics & Gynecology
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