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https://www.readbyqxmd.com/read/28319572/sarcomatous-component-in-uterine-carcinosarcomas-correlates-with-advanced-stage-and-poorer-prognosis
#1
Mirna B Podoll, Mana Moghadamfalahi, Erin Faber, Julie Ann Bishop, Houda Alatassi
Uterine carcinosarcomas, also known as malignant-mixed mullerian tumors, are rare and highly aggressive tumors whose prognostic factors remain controversial. The stage at the time of presentation is the most important prognostic factor thus far, but little information exists on the prognostic impact of the sarcomatous component (SC) in these tumors. We reviewed 21 cases of uterine carcinosarcomas and estimated the volume of the SC in each case. This information was correlated with the stage of the tumor at presentation...
March 17, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28319016/anti-m%C3%A3-llerian-hormone-kinetics-in-pregnancy-and-post-partum-a-systematic-review
#2
REVIEW
Sarah McCredie, William Ledger, Christos A Venetis
The aim of this systematic review is to critically appraise the available evidence regarding the kinetics of anti-Müllerian hormone (AMH) during pregnancy and post-partum. A systematic literature search was conducted in MEDLINE, Embase, CENTRAL, Scopus and Web of Science on 14 December 2015, aiming to identify studies providing data on the serum concentration of AMH in women at various stages of gestation and post-partum. There was a total of 1719 participants across eight studies. Seven out of the eight studies reported a decline in serum AMH concentration with advancing gestational age...
February 24, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28316072/the-effects-of-dash-diet-on-weight-loss-anti-m%C3%A3-llerian-hormone-and-metabolic-profiles-in-women-with-polycystic-ovary-syndrome-a-randomized-clinical-trial
#3
Fatemeh Foroozanfard, Hamideh Rafiei, Mansooreh Samimi, Hamid Reza Gilasi, Roohangiz Gorjizadeh, Zahra Heidar, Zatollah Asemi
OBJECTIVE: This study was designed to evaluate the effects of the Dietary Approaches to Stop Hypertension (DASH diet) on weight loss, anti-Müllerian hormone (AMH) and metabolic profiles in women with polycystic ovary syndrome (PCOS). DESIGN, PATIENTS AND MEASUREMENTS: A randomized controlled clinical trial was conducted among 60 overweight or obese patients with PCOS. Patients were randomly assigned to receive either low-calorie DASH (N=30) or control diet (N=30) for 12 weeks...
March 18, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28302175/prolonged-hypothyroidism-severely-reduces-ovarian-follicular-reserve-in-adult-rats
#4
Li Meng, Eddy Rijntjes, Hans J M Swarts, Jaap Keijer, Katja J Teerds
BACKGROUND: There is substantial evidence both in humans and in animals that a prolonged reduction in plasma thyroid hormone concentration leads to reproductive problems, including disturbed folliculogenesis, impaired ovulation and fertilization rates, miscarriage and pregnancy complications. The objective of the present study is to examine the consequences of chronic hypothyroidism, induced in adulthood, for the size of the ovarian follicle pool. In order to investigate this, adult female rats were provided either a control or an iodide deficient diet in combination with perchlorate supplementation to inhibit iodide uptake by the thyroid...
March 16, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28299573/mkrn3-levels-in-girls-with-central-precocious-puberty-and-correlation-with-sexual-hormone-levels-a-pilot-study
#5
Anna Grandone, Grazia Cirillo, Marcella Sasso, Carlo Capristo, Gianluca Tornese, Pierluigi Marzuillo, Caterina Luongo, Giuseppina Rosaria Umano, Adalgisa Festa, Ruggero Coppola, Emanuele Miraglia Del Giudice, Laura Perrone
PURPOSE: Recently, mutations of makorin RING-finger protein 3 (MKRN3) have been described in familial central precocious puberty. Serum levels of this protein decline before the pubertal onset in healthy girls and boys. The aim of the study is to investigate MKRN3 circulating levels in patients with central precocious puberty. METHODS: We performed an observational cross-sectional study. We enrolled 17 patients with central precocious puberty aged 7 years (range: 2-8 years) and breast development onset <8 years; 17 prepubertal control age-matched patients aged 6...
March 15, 2017: Endocrine
https://www.readbyqxmd.com/read/28293053/effect-of-melatonin-on-the-outcome-of-assisted-reproductive-technique-cycles-in-women-with-diminished-ovarian-reserve-a-double-blinded-randomized-clinical-trial
#6
Bahia Namavar Jahromi, Sara Sadeghi, Shohreh Alipour, Mohammad Ebrahim Parsanezhad, Shaghayegh Moradi Alamdarloo
Diminished ovarian reserve (DOR) significantly decreases the success rate of the assisted reproductive technique (ART). In this study, we assessed the effect of melatonin on the ART outcomes in women with DOR. A double-blinded, randomized, clinical trial was performed on 80 women with DOR as a pilot study in Shiraz, between 2014 and 2015. DOR was defined as the presence of 2 of the following 3 criteria: 1) anti-Müllerian hormone ≤1, 2) follicle-stimulating hormone ≥10, and 3) bilateral antral follicle count ≤6...
January 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28289208/specific-deletion-of-lkb1-stk11-in-the-m%C3%A3-llerian-duct-mesenchyme-drives-hyperplasia-of-the-periurethral-stroma-and-tumorigenesis-in-male-mice
#7
Jitu W George, Amanda L Patterson, Pradeep S Tanwar, André Kajdacsy-Balla, Gail S Prins, Jose M Teixeira
Nearly all older men will experience lower urinary tract symptoms associated with benign prostatic hyperplasia (BPH), the etiology of which is not well understood. We have generated Stk11(CKO) mice by conditional deletion of the liver kinase B1 (LKB1) tumor suppressor gene, Stk11 (serine threonine kinase 11), in the fetal Müllerian duct mesenchyme (MDM), the caudal remnant of which is thought to be assimilated by the urogenital sinus primordial mesenchyme in males during fetal development. We show that MDM cells contribute to the postnatal stromal cells at the dorsal aspect of the prostatic urethra by lineage tracing...
March 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28285963/clear-cell-colorectal-carcinoma-time-to-clarify-diagnosis
#8
Andrea Remo, Federica Grillo, Luca Mastracci, Matteo Fassan, Sokol Sina, Caterina Zanella, Pietro Parcesepe, Emanuele Damiano Urso, Massimo Pancione, Germana Bortuzzo, Aldo Scarpa, Erminia Manfrin
Primary clear cell colorectal carcinoma (CCC) is a very rare entity accounting for only 35 cases reported in the Literature. CCC is neither classified as a distinct entity nor is it defined as a CRC variant because its ontogeny remains unclear. Most of the reported CCC were found in the distal colon in patients with a mean age of 56 years. Histologically, clear cell change is the main morphologic feature and may present in a "pure" form, composed exclusively of clear cells, or in a "composite" form, admixed with other morphologically different components...
February 24, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28285954/anti-m%C3%A3-llerian-hormone-concentrations-and-parity-in-fertile-women-the-model-of-oocyte-donors
#9
Sophie Catteau-Jonard, Marie Roux, Agathe Dumont, Anne-Sophie Delesalle, Geoffroy Robin, Didier Dewailly
In France until the end of 2015, oocyte donors must have had at least one child and be aged 18-37 years. This population of fertile women was selected to examine whether serum anti-Müllerian hormone (AMH) concentration could be a reliable correlate of spontaneous pregnancy in women who had proven their fertility before. A cohort of 217 women followed between 2009 and 2015 for oocyte donation at the University Hospital of Lille comprised this retrospective study. In these egg donors, aged 20-37 (median: 32 years), the median serum AMH level was 22 pmol/l (5-95th percentiles: 4...
March 1, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28285952/ovarian-response-to-150%C3%A2-%C3%A2%C2%B5g-corifollitropin-alfa-in-a-gnrh-antagonist-multiple-dose-protocol-a-prospective-cohort-study
#10
Tamara Lerman, Marion Depenbusch, Askan Schultze-Mosgau, Soeren von Otte, Markus Scheinhardt, Inke Koenig, Axel Kamischke, Milan Macek, Arne Schwennicke, Sabine Segerer, Georg Griesinger
The incidence of low (<6 oocytes) and high (>18 oocytes) ovarian response to 150 µg corifollitropin alfa in relation to anti-Müllerian hormone (AMH) and other biomarkers was studied in a multi-centre (n = 5), multi-national, prospective, investigator-initiated, observational cohort study. Infertile women (n = 212), body weight >60 kg, underwent controlled ovarian stimulation in a gonadotrophin-releasing hormone-antagonist multiple-dose protocol. Demographic, sonographic and endocrine parameters were prospectively assessed on cycle day 2 or 3 of a spontaneous menstruation before the administration of 150 µg corifollitropin alfa...
March 2, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28279229/human-umbilical-cord-mesenchymal-stem-cells-improve-the-reserve-function-of-perimenopausal-ovary-via-a-paracrine-mechanism
#11
Jia Li, QiuXian Mao, JingJun He, HaoQing She, Zhi Zhang, ChunYan Yin
BACKGROUND: Human umbilical cord mesenchymal stem cells (hUCMSCs) are a type of pluripotent stem cell which are isolated from the umbilical cord of newborns. hUCMSCs have great therapeutic potential. We designed this experimental study in order to investigate whether the transplantation of hUCMSCs can improve the ovarian reserve function of perimenopausal rats and delay ovarian senescence. METHOD: We selected naturally aging rats confirmed by vaginal smears as models of perimenopausal rats, divided into the control group and the treatment group, and selected young fertile female rats as normal controls...
March 9, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28277814/the-cutoff-values-of-serum-amh-levels-and-starting-recfsh-doses-for-the-individualization-of-ivf-treatment-strategies
#12
Pinar Özcan, Cem Fiçicioğlu, Seda Ateş, Meltem Güner Can, Çiğdem Kaspar, Oya Akçin, Mert Yesiladali
OBJECTIVE: The main purpose of our study is to categorize starting doses of recombinant follicle-stimulating hormone (recFSH) based on various cutoff values of anti-Mullerian hormone (AMH) and to determine the effectiveness of serum AMH levels in the prediction of poor ovarian response. MATERIAL AND METHODS: Prospective data analysis was conducted at IVF center. A total of 323 patients were included. All patients were divided into four groups according to the patients' serum AMH concentrations: Group 1 (AMH < 1 ng/ml; 450 IU/day n = 157); Group 2 (AMH 1-2 ng/ml; 375 IU/day, n = 55); Group 3 (AMH 2-3 ng/ml; 225 IU/day, n = 48); and Group 4 (AMH > 3 ng/ml; 150 IU/day, n = 63)...
March 9, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28276867/pathogenesis-and-treatment-of-adult-type-granulosa-cell-tumor-of-the-ovary
#13
Anniina Färkkilä, Ulla-Maija Haltia, Johanna Tapper, Melissa K McConechy, David G Huntsman, Markku Heikinheimo
Adult-type granulosa cell tumor is a clinically and molecularly unique subtype of ovarian cancer. These tumors originate from the sex cord stromal cells of the ovary and represent 3-5% of all ovarian cancers. The majority of adult-type granulosa cell tumors are diagnosed at an early stage with an indolent prognosis. Surgery is the cornerstone for the treatment of both primary and relapsed tumor, while chemotherapy is applied only for advanced or non-resectable cases. Tumor stage is the only factor consistently associated with prognosis...
March 6, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28275021/m%C3%A3-llerianosis-of-the-urinary-bladder-a-rare-and-problematic-bladder-tumour
#14
Amit Patel, Pranali Desai, Frances Malczewski, Daryl Stephens
Müllerianosis of the bladder is an extremely rare and highly symptomatic bladder tumour comprising of at least two types of Müllerian derived tissues. We present the case of a 59-year-old woman presenting with painful macroscopic haematuria associated with urgency, frequency and incontinence. She is a nulliparous postmenopausal woman without malignancy risk factors or previous abdominal surgery. Initially identified on ultrasound scan, she was taken for transurethral resection of bladder tumour (TURBT). Histology confirms the diagnosis...
March 8, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28271702/update-on-endometriosis-pathogenesis
#15
Adam Czyzyk, Agnieszka Podfigurna, Anna Szeliga, Blazej Meczekalski
Endometriosis is a chronic, inflammatory, condition of high incidence and serious reproductive and general health consequences. Understanding the pathogenesis of endometriosis is crucial for proper diagnostic and ordering the most effective treatment. Even though there is a large body of data regarding this pathology our understanding of the pathogenesis of this disease remains incomplete. The aim of this review is to summarize contemporary data regarding pathogenesis of endometriosis. Current data regarding endometrial origin, metaplastic and Mullerian embryonic rests theory will be reviewed here...
March 7, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28270607/mtorc1-2-inhibition-preserves-ovarian-function-and-fertility-during-genotoxic-chemotherapy
#16
Kara N Goldman, Devon Chenette, Rezina Arju, Francesca E Duncan, David L Keefe, Jamie A Grifo, Robert J Schneider
The ovary contains oocytes within immature (primordial) follicles that are fixed in number at birth. Activation of follicles within this fixed pool causes an irreversible decline in reproductive capacity, known as the ovarian reserve, until menopause. Premenopausal women undergoing commonly used genotoxic (DNA-damaging) chemotherapy experience an accelerated loss of the ovarian reserve, leading to subfertility and infertility. Therefore, there is considerable interest but little effective progress in preserving ovarian function during chemotherapy...
March 7, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28263220/ectopic-pelvic-fibroid-in-a-woman-with-uterine-agenesis-and-mayer-rokitansky-k%C3%A3-ster-hauser-syndrome
#17
Thelina Amaratunga, Iain Kirkpatrick, Yi Yan, Fern Karlicki
Mayer-Rokitansky-Küster-Hauser (MRKH) syndrome is a rare disorder characterized by aplasia or hypoplasia of the uterus and vagina due to arrest in the development of the müllerian ducts. Women with this syndrome have the normal 46 XX karyotype, normal female secondary sex characteristics, and primary amenorrhea. Only a few cases have been described in the literature where a fibroid develops from a rudimentary, nonfunctioning uterus in patients with MRKH syndrome. In even rarer instances, a fibroid can develop in patients with a congenitally absent uterus...
March 3, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28253506/the-effect-of-the-testis-on-the-ovary-structure-function-relationships-in-a-neonate-with-a-unilateral-ovotestis-ovotesticular-disorder-of-sex-development-%C3%A2
#18
Siri Atma W Greeley, Elizabeth Littlejohn, Aliya N Husain, Darrel Waggoner, Mohan Gundeti, Robert L Rosenfield
AIMS: To evaluate gonadal function in a newborn with suspected ovotesticular disorder of sex development (DSD). METHODS: Gonadal function was evaluated at baseline and after gonadotropin-releasing hormone agonist (GnRHag) stimulation testing. RESULTS: A full-term 46,XX neonate with genital ambiguity produced serum testosterone and anti-Müllerian hormone (AMH) levels appropriate for males within days, while serum estradiol remained prepubertal, both spontaneously and in response to GnRHag stimulation testing...
March 2, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28248726/pax8-positive-biphasic-synovial-sarcoma-expressing-hormonal-receptors
#19
Leonardo Lordello, Martin E Bur, Esther Oliva, Jochen K Lennerz
PAX8, estrogen receptor-α (ERα) and progesterone receptor (PR) are markers usually expressed in neoplasms of müllerian origin. We report a subdiaphragmal mass in a 41-year-old woman corresponding to a malignant biphasic tumor with nests of epithelial-like cells forming variably sized cyst-like spaces alternating with spindle cells forming intersecting fascicles. The later were juxtaposed to coalescent densely cellular nodules of spindle cells with appreciable cytologic atypia and mitotic counts up to 30/10 high-power fields...
February 28, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28245188/amh-levels-in-girls-with-various-pubertal-problems
#20
Senay Savas-Erdeve, Elif Sagsak, Meliksah Keskin, Semra Cetinkaya, Zehra Aycan
BACKGROUND: Anti-Müllerian hormone (AMH) is produced by granulosa cells surrounding follicles that have undergone recruitment from the primordial follicle pool but have not been selected for dominance (preantral and early antral follicles). In healthy girls, serum levels of AMH vary considerably between individuals. We aimed to evaluate the AMH level in girls with premature thelarche (PT) and central precocious puberty (CPP). METHODS: Girls with CPP (n=21), PT (n=24) and a control prepubertal group (n=22) were included in the study...
March 1, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
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