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Functional cysts of the ovary

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https://www.readbyqxmd.com/read/29610611/acupuncture-treatment-of-subfertility-and-ovarian-endometrioma
#1
Jihe Zhu, Blagica Arsovska, Andrijana Sterjovska-Aleksovska, Kristina Kozovska
BACKGROUND: Ovarian endometriotic cysts, also known as 'chocolate' cysts or ovarian endometriomas, appear as endometrial tissue outside the uterine cavity which grows inside ovaries. Endometriotic cysts can cause chronic pelvic pain, dysmenorrhea, dyspareunia, impairment of ovarian function in regards to subfertility, etc. Traditional Chinese Medicine (TCM) is effectively treating subfertility associated with endometriosis for years, and the treatment gives positive results in achieving pregnancy...
March 15, 2018: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29318892/transplantation-of-cryopreserved-ovarian-tissue-in-a-patient-affected-by-metastatic-struma-ovarii-and-endometriosis
#2
Raffaella Fabbri, Rossella Vicenti, Roberto Paradisi, Stefania Rossi, Lucia De Meis, Renato Seracchioli, Maria Macciocca
In this case report, the outcomes of cryopreserved ovarian tissue transplantation performed in a patient affected by struma-ovarii associated with mature cystic teratoma, recurrent endometriotic cysts and diffuse peritoneal malignant struma-ovarii implants were described. Before cryopreservation, the patient underwent two left ovarian surgeries for enucleation cysts 8 years after righ salpingo-oophorectomy for struma-ovarii. Ovarian biopsy was collected in another hospital and transported to our laboratory for cryopreservation...
January 10, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29262312/effects-of-daily-exposure-to-saccharin-sodium-and-rebaudioside-a-on-the-ovarian-cycle-and-steroidogenesis-in-rats
#3
Jingle Jiang, Lina Qi, Quanwei Wei, Fangxiong Shi
Saccharin sodium and rebaudioside A are widely used as non-caloric sweeteners in our daily life; however, the impacts and regulatory mechanisms of such sweeteners on reproduction remain unclear. In the present study, we used rats as animal models to evaluate the effects of daily exposure to saccharin sodium and rebaudioside A on ovarian biologic functions. Weanling rats were distributed into five experimental groups receiving normal water, 1.5 or 7.5 mM saccharin sodium solution, or 0.5 or 2.5 mM rebaudioside A solution for 48 days of exposure...
March 2018: Reproductive Toxicology
https://www.readbyqxmd.com/read/29215392/physiologic-uptake-of-18f-fdg-in-transposed-ovaries-may-mimic-metastasis-on-18f-fdg-pet-ct-imaging
#4
Tima Davidson, Orna Komisar, Jacob Korach, Shira Felder, Sara Apter, Simona Ben-Haim, Tamar Perri
BACKGROUND: Ovarian transposition is aimed at preserving ovarian function before irradiation in pelvic malignancies. The extrapelvic location of the ovaries and their physiologic fluorine-18-fluorodeoxyglucose (F-FDG)-uptake is a potential source of misdiagnosis as metastasis on F-FDG PET/CT. We describe the F-FDG PET/CT characteristics of transposed ovaries and their changes over time. PATIENTS AND METHODS: We reviewed F-FDG PET/CT studies of all consecutive women with pelvic malignancies who underwent ovarian transposition between 2007 and 2013...
February 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28974907/a-review-of-ovary-torsion
#5
REVIEW
Ci Huang, Mun-Kun Hong, Dah-Ching Ding
Ovarian torsion is a rare but emergency condition in women. Early diagnosis is necessary to preserve the function of the ovaries and tubes and prevent severe morbidity. Ovarian torsion refers to complete or partial rotation of the adnexal supporting organ with ischemia. It can affect females of all ages. Ovarian torsion occurs in around 2%-15% of patients who have surgical treatment of adnexal masses. The main risk in ovarian torsion is an ovarian mass. The most common symptom of ovarian torsion is acute onset of pelvic pain, followed by nausea and vomiting...
July 2017: Ci Ji Yi Xue za Zhi, Tzu-chi Medical Journal
https://www.readbyqxmd.com/read/28947158/stay-connected-a-germ-cell-strategy
#6
REVIEW
Kevin Lu, Lindy Jensen, Lei Lei, Yukiko M Yamashita
Germ cells develop as a cyst of interconnected sibling cells in a broad range of organisms in both sexes. A well-established function of intercellular connectivity is to transport cytoplasmic materials from 'nurse' cells to oocytes, a critical process for developing functional oocytes in ovaries of many species. However, there are situations where connectivity exists without a nursing mechanism, and the biological meaning of such connectivity remains obscure. In this review, we summarize current knowledge on the formation of intercellular connectivity, and discuss its meaning by visiting multiple examples of germ cell connectivity observed in evolutionarily distant species...
December 2017: Trends in Genetics: TIG
https://www.readbyqxmd.com/read/28919625/van-wyk-and-grumbach-syndrome-an-unusual-presentation-of-hypothyroism
#7
P K Chanda, M Kamrul-Hasan, M Abu-Bakar, M Rahman, M A Kader, M A Hossain, N I Siddiqui
An 18 years-old-girl presented one and half years back with the complaints of short stature, retarded growth, and menorrhagia with sudden severe lower abdominal pain; was diagnosed as bilateral ovarian cysts and underwent bilateral ovarian cystectomy. Later on she was incidentally diagnosed as a case of hypothyroidism when she had been experiencing slowly enlarging left lower abdominal mass with dull ache for the 5 month and then was transferred to the department of Endocrinology for further evaluation. Detailed work up revealed her short stature with obesity, delayed bone age and other features of hypothyroidism which was confirmed by thyroid function testing...
July 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28679689/two-different-mutually-exclusively-distributed-tp53-mutations-in-ovarian-and-peritoneal-tumor-tissues-of-a-serous-ovarian-cancer-patient-indicative-for-tumor-origin
#8
Nyamdelger Sukhbaatar, Anna Bachmayr-Heyda, Katharina Auer, Stefanie Aust, Simon Deycmar, Reinhard Horvat, Dietmar Pils
High-grade serous ovarian cancer (HGSOC) is characterized by a TP53 mutation rate of up to 96.7% and associated with a more aggressive tumor biology. The origin of HGSOC is thought to arise either from fallopian tube secretory cells or the ovarian surface epithelium/inclusion cysts, the former with more evidence. Peritoneal tumor spread is heterogeneous, either excessive in the peritoneum (with miliary appearance) or more confined to the ovaries with only few (bigger and exophytically growing) peritoneal implants...
July 2017: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/28656240/microarray-analysis-reveals-differentially-expressed-lncrnas-in-benign-epithelial-ovarian-cysts-and-normal-ovaries
#9
Xiaoguang Liu, Chencheng Dai, Genmei Jia, Sujuan Xu, Ziyi Fu, Juan Xu, Qing Li, Hongjie Ruan, Pengfei Xu
Recent studies suggest that long non-coding RNAs (lncRNAs) play crucial roles in many types of human malignant cancers. However, the function of lncRNAs in benign tumors remains poorly understood. In the present study, to explored the potential roles of lncRNAs in benign epithelial ovarian cysts (BEOCs) which commonly occur in young women and possess malignant potential, we described the expression profile of the lncRNAs between BEOC and normal ovarian tissues using lncRNA microarray techniques. The results showed that 1,325 transcripts of lncRNAs (1,014 upregulated and 311 downregulated) were differentially expressed in the BEOCs compared with the normal controls [absolute fold-change ≥2, false discovery rate (FDR) <0...
August 2017: Oncology Reports
https://www.readbyqxmd.com/read/28646432/asynchronus-bilateral-ovarian-torsions-in-girls-systematic-review
#10
REVIEW
Maja Raicevic, Amulya Kumar Saxena
BACKGROUND: Bilateral ovarian torsions with complete loss of ovaries is devastating. This study analyzed the literature on bilateral ovarian torsions in girls to evaluate surgical options and outcomes. METHODS: Literature was searched on Pubmed(®) (1987-2014) using terms "bilateral", "adnexal", "ovary", "torsion" and "children". Data were collected on age, surgical preference, pathology and outcomes. RESULTS: Thirteen articles were identified, and 9 met the inclusion criteria (5 case reports, 4 original articles); and analyzed 17 girls (mean age: 8...
October 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28628258/tankyrase-inhibition-regulates-corpus-luteum-development-and-luteal-function-in-gonadotropin-treated-rats
#11
Paula Accialini, Griselda Irusta, Andrés Bechis, Diana Bas, Fernanda Parborell, Dalhia Abramovich, Marta Tesone
Tankyrases are physiological regulators of Axin, a protein involved in several cellular processes, including Wnt signaling. Here, we investigated the effect of a specific Tankyrase inhibitor (XAV939) in follicular-luteal dynamics, and its possible relationship with ovarian vascular development. Studies were designed to analyze the effect of intrabursa administration of XAV939 in gonadotropin-treated prepubertal rats. In particular, we examined follicle and corpus luteum development, steroidogenesis, angiogenic markers, and apoptotic parameters...
August 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28621416/all-in-one-integrating-cell-polarity-meiosis-mitosis-and-mechanical-forces-in-early-oocyte-differentiation-in-vertebrates
#12
Yaniv M Elkouby
While the differentiation of oocytes is key for embryonic development, and its investigation is crucial for advancing our understanding of human reproduction and fertility, many fundamental questions in oogenesis have been long standing. However, recent technical advances have led to several breakthroughs mainly in mice and zebrafish. Here I review these recent findings, including regulation and organization of the germline cyst, the mechanistics of chromosomal pairing, establishment of cell polarity, and formation of a universal mRNA-protein (mRNP) granule called the Balbiani body...
2017: International Journal of Developmental Biology
https://www.readbyqxmd.com/read/28588636/a-case-of-spontaneous-abortion-related-to-ovarian-endometriosis-in-a-golden-retriever-dog
#13
M A Demirel
This report describes a case of spontaneous abortion in a 4-year-old Golden Retriever dog with ovarian endometriosis. Clinical findings indicated that there was not any senstivity in the abdomen and the viability parameters were within the reference values. On vaginal examination, serosanguineous discharge was determined. Ultrasonographic examination revealed that no fetus was observed in cornu uteri and an hypoechoic cystic structure, measuring 3.2 × 3.4 cm was found behind the left kidney. Ovarian cyst was suspected, and then ovariohysterectomy was performed...
2017: Iranian Journal of Veterinary Research
https://www.readbyqxmd.com/read/28540192/bilateral-ovarian-torsion-during-follow-up-for-antenatally-detected-ovarian-cysts
#14
Bozidar Zupancic, Marko Baskovic, Ljudevit Sovic, Dubravko Habek
Ovarian torsion is a surgical emergency demanding timely diagnosis and treatment to prevent loss of the ovaries which if happens may result in functional and emotional consequences. Simple (less than 5cm in size) ovarian cysts require follow-up for potential self-resolution. We describe a case of antenatally detected bilateral ovarian cysts that developed bilateral ovarian torsions on follow-up, postnatally.
May 2017: APSP Journal of Case Reports
https://www.readbyqxmd.com/read/28486360/ovarian-mucinous-cystadenoma-after-ovarian-graft
#15
Carole Fajau-Prevot, Yann Tanguy Le Gac, Christine Chevreau, Clémentine Cohade, Nicolas Gatimel, Jean Parinaud, Roger Leandri
BACKGROUND: Freezing strips of ovarian cortex before chemotherapy followed by transplantation is an experimental method to preserve fertility for reproductive-aged women with cancer. We report a case of a cancer patient who developed a mucinous cystadenoma in a grafted piece of ovarian cortex. CASE: A 32-year-old woman with a Ewing sarcoma had ovarian cryopreservation using cortical strip freezing before receiving chemotherapy. Five years later she had no ovarian function, and the strips were thawed and grafted back onto the ovary...
June 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28470574/tff3-expression-as-stratification-marker-in-borderline-epithelial-tumors-of-the-ovary
#16
Ahmed El-Balat, Iryna Schmeil, Thomas Karn, Sven Becker, Nicole Sänger, Uwe Holtrich, Ruza Arsenic
Borderline tumors (BOT) of the ovary account for 10% to 20% of ovarian neoplasms. Like ovarian cancer, BOT encompass several different histological subtypes (serous, mucinous, endometrioid, clear cell, transitional cell and mixed) with serous (SBOT) and mucinous (MBOT) the most common. Current hypotheses suggest low-grade serous carcinoma may develop in a stepwise fashion from SBOT whereas the majority of high grade serous carcinomas develop rapidly presumably from inclusion cysts or ovarian surface epithelium...
May 3, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28277136/the-role-of-nesfatin-1-expression-in-letrozole-induced-polycystic-ovaries-in-the-rat
#17
Yingqiao Xu, Hua Zhang, Qingchun Li, Kaixue Lao, Yanlin Wang
Polycystic ovary syndrome (PCOS) is a complex and heterogeneous endocrine disorder, generally exhibiting the characteristic features of hyperandrogenemia, insulin resistance (IR) and obesity. Nesfatin-1 is derived from the precursor nucleobindin2 (NUCB2), and plays an active role in energy balance, glucose metabolism and most likely gonadal function. In order to explore the role of nesfatin-1, we employed a rat model that uses letrozole to induce PCOS. The PCOS rats exhibited increased body weight, irregular cycles, polycystic ovaries characterized by cysts formed from atretic follicles, and a diminished granulosa layer...
February 21, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28137453/ovarian-preservation-from-tumors-and-torsions-in-girls-prospective-diagnostic-study
#18
Zoran B Stanković, Katarina Sedlecky, Djordje Savić, Branislav J Lukač, Ilijana Mažibrada, Svetlana Perovic
STUDY OBJECTIVE: To develop a new decision tree system (DTS) for the management of adnexal masses in prepubertal and adolescent girls, aimed to improve the distinction between benign and malignant masses, help preserve affected ovaries during surgery, and reduce the rate of surgical management of uncomplicated functional ovarian cysts. DESIGN: A prospective diagnostic study using clinical and ultrasound data collected for all patients younger than 19 years of age with adnexal masses managed between 2006 and 2015...
June 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28131763/oogenesis-in-three-species-of-naidinae-annelida-clitellata-is-extraovarian-of-the-stylaria-type
#19
Szymon Gorgoń, Agata Wardas, Mariola Krodkiewska, Piotr Świątek
Older observations, which were based solely on light microscopy, suggested that the main stages of oogenesis such as yolk uptake, take place outside the ovary, i.e. in the body or the ovisac cavity in some groups of clitellate annelids. Such extraovarian oogenesis was observed in naidines (Naidinae). Because there are no current data about the ovary organization and the course of oogenesis in Naidinae, we analyzed female gametogenesis in three common representatives of this taxon - Stylaria lacustris, Chaetogaster diaphanus and Ripistes parasita - using light, fluorescent and transmission electron microscopy...
April 2017: Zoology: Analysis of Complex Systems, ZACS
https://www.readbyqxmd.com/read/28093350/a-visual-screen-for-diet-regulated-proteins-in-the-drosophila-ovary-using-gfp-protein-trap-lines
#20
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 2017: Gene Expression Patterns: GEP
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