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https://www.readbyqxmd.com/read/28287945/gestational-trophoblastic-disease-clinical-and-imaging-features
#1
Akram M Shaaban, Maryam Rezvani, Reham R Haroun, Anne M Kennedy, Khaled M Elsayes, Jeffrey D Olpin, Mohamed E Salama, Bryan R Foster, Christine O Menias
Gestational trophoblastic disease (GTD) is a spectrum of both benign and malignant gestational tumors, including hydatidiform mole (complete and partial), invasive mole, choriocarcinoma, placental site trophoblastic tumor, and epithelioid trophoblastic tumor. The latter four entities are referred to as gestational trophoblastic neoplasia (GTN). These conditions are aggressive with a propensity to widely metastasize. GTN can result in significant morbidity and mortality if left untreated. Early diagnosis of GTD is essential for prompt and successful management while preserving fertility...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28266547/the-molecular-motor-myosin-va-interacts-with-the-cilia-centrosomal-protein-rpgrip1l
#2
L H P Assis, R M P Silva-Junior, L G Dolce, M R Alborghetti, R V Honorato, A F Z Nascimento, T D Melo-Hanchuk, D M Trindade, C C C Tonoli, C T Santos, P S L Oliveira, R E Larson, J Kobarg, E M Espreafico, P O Giuseppe, M T Murakami
Myosin Va (MyoVa) is an actin-based molecular motor abundantly found at the centrosome. However, the role of MyoVa at this organelle has been elusive due to the lack of evidence on interacting partners or functional data. Herein, we combined yeast two-hybrid screen, biochemical studies and cellular assays to demonstrate that MyoVa interacts with RPGRIP1L, a cilia-centrosomal protein that controls ciliary signaling and positioning. MyoVa binds to the C2 domains of RPGRIP1L via residues located near or in the Rab11a-binding site, a conserved site in the globular tail domain (GTD) from class V myosins...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28217684/extrauterine-epithelioid-trophoblastic-tumor-in-hysterectomized-woman
#3
Ji-Hye Kim, Sun Kyung Lee, Soo Hyun Hwang, Jung-Sun Kim, Gun Yoon, Yoo-Young Lee, Tae-Joong Kim, Chel Hun Choi, Byoung-Gie Kim, Duk-Soo Bae, Jeong-Won Lee
Epithelioid trophoblastic tumor (ETT) is a very rare variant of gestational trophoblastic disease (GTD) which arises in reproductive age women with prior gestational history. Although abnormal vaginal bleeding is the most common symptom of ETT, there are no reported pathognomonic symptoms of ETT because of its rarity. ETT is similar to placental site trophoblastic tumor in terms of its slow growing characteristic and microscopic findings. Therefore, it could be misdiagnosed as placental site trophoblastic tumor or other types of GTD...
January 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28141940/are-early-pregnancy-complications-more-common-in-women-with-hyperemesis-gravidarum
#4
Sinead R Morgan, Lisa Long, Jemma Johns, Chloe Angwin, Supriya Maitra, Jackie A Ross
Ultrasound evaluation is usually requested for women presenting with hyperemesis gravidarum (HG) in early pregnancy. This is to check viability as well as to diagnose multiple pregnancies and exclude gestational trophoblastic disease (GTD). The aim of this retrospective case control study was to evaluate the early pregnancy outcomes in women with HG and to compare them with an asymptomatic control group. 790 women referred with HG between 2002 and 2014 were matched for gestational age and maternal age with an asymptomatic patient attending for a reassurance or dating scan...
January 31, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28060141/pd-l1-expression-in-premalignant-and-malignant-trophoblasts-from-gestational-trophoblastic-diseases-is-ubiquitous-and-independent-of-clinical-outcomes
#5
Pierre-Adrien Bolze, Sophie Patrier, Jérôme Massardier, Touria Hajri, Fatima Abbas, Anne Marie Schott, Fabienne Allias, Mojgan Devouassoux-Shisheboran, Gilles Freyer, François Golfier, Benoît You
OBJECTIVE: Recently reported expression of programmed cell death 1 ligand 1 (PD-L1) in gestational trophoblastic diseases (GTDs) suggests that the immune tolerance of pregnancy might be hijacked during neoplastic process. We assessed PD-L1 protein expression in premalignant and malignant GTD lesions and analyzed associations with disease severity and chemotherapy outcomes. METHODS: We included 83 GTD whole-tissue sections from 76 patients in different treatment settings...
March 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/27899973/expression-patterns-of-maspin-and-mutant-p53-are-associated-with-the-development-of-gestational-trophoblastic-neoplasia
#6
Pengming Sun, Qibin Wu, Guanyu Ruan, Xiu Zheng, Yiyi Song, Jianfan Zhun, Lixiang Wu, Walter H Gotlieb
Gestational trophoblastic disease (GTD) is a group of conditions that originate from the abnormal proliferation of trophoblastic cells. GTDs encompass hydatidiform moles (HMs) and gestational trophoblastic neoplasia (GTN). GTNs are a group of malignant diseases that require chemotherapy, or more aggressive treatment. There is a requirement for more tumor markers to predict the development of GTN from HMs. The current study evaluated the expression of maspin and tumor protein p53 (p53) in GTD, and their role in predicting the development of GTN...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27819410/comparing-and-evaluating-the-efficacy-of-methotrexate-and-actinomycin-d-as-first-line-single-chemotherapy-agents-in-low-risk-gestational-trophoblastic-disease
#7
Young Jae Lee, Jeong Yeol Park, Dae Yeon Kim, Dae Shik Suh, Jong Hyeok Kim, Yong Man Kim, Young Tak Kim, Joo Hyun Nam
OBJECTIVE: The aim of this study was to compare responses to single-agent chemotherapies and evaluate the predictive factors of resistance in low risk (LR) gestational trophoblastic disease (GTD). The chemotherapy agents included methotrexate (MTX) and actinomycin D (ACT-D). METHODS: We conducted a retrospective study of 126 patients with GTD who were treated between 2000 and 2013. A total of 71 patients with LR GTD were treated with MTX (8-day regimen or weekly regimen, n=53) or ACT-D (bi-weekly pulsed regimen or 5-day regimen, n=18)...
March 2017: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/27716915/stricture-location-predicts-swallowing-outcomes-following-endoscopic-rendezvous-procedures
#8
Katherine N Adams, Rupali N Shah, Robert A Buckmire
OBJECTIVES/HYPOTHESIS: Complete pharyngoesophageal strictures may be encountered by the otolaryngologist as a consequence of radiation/chemoradiotherapy therapies for head and neck cancer. A combined anterograde and retrograde dilation procedure (rendezvous procedure) has proven to be a useful surgical intervention in these cases. We assess the long-term swallowing outcomes of this patient cohort including gastrostomy tube (G-tube) reliance, swallowing quality of life, and variables that contribute to improved swallowing outcomes...
September 26, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27679689/imaging-and-clinical-data-of-placental-site-trophoblastic-tumor-a-case-report
#9
Maryam Niknejadi, Firoozeh Ahmadi, Farnaz Akhbari
Placental site trophoblastic tumor (PSTT) is a very rare variant of gestational trophoblastic tumor. It can occur after normal termination of pregnancy or spontaneous abortion and ectopic or molar pregnancy. There is a wide range of clinical manifestations from a benign condition to an aggressive disease with fatal outcome. One of the most important characteristics of PSTT, unlike other forms of gestational trophoblastic diseases (GTD) is the presence of low beta-subunit of human chorionic gonadotropin (β-hCG) levels because it is a neoplastic proliferation of intermediate trophoblastic cells...
April 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27623148/coordinated-recruitment-of-spir-actin-nucleators-and-myosin-v-motors-to-rab11-vesicle-membranes
#10
Olena Pylypenko, Tobias Welz, Janine Tittel, Martin Kollmar, Florian Chardon, Gilles Malherbe, Sabine Weiss, Carina Ida Luise Michel, Annette Samol-Wolf, Andreas Till Grasskamp, Alistair Hume, Bruno Goud, Bruno Baron, Patrick England, Margaret A Titus, Petra Schwille, Thomas Weidemann, Anne Houdusse, Eugen Kerkhoff
There is growing evidence for a coupling of actin assembly and myosin motor activity in cells. However, mechanisms for recruitment of actin nucleators and motors on specific membrane compartments remain unclear. Here we report how Spir actin nucleators and myosin V motors coordinate their specific membrane recruitment. The myosin V globular tail domain (MyoV-GTD) interacts directly with an evolutionarily conserved Spir sequence motif. We determined crystal structures of MyoVa-GTD bound either to the Spir-2 motif or to Rab11 and show that a Spir-2:MyoVa:Rab11 complex can form...
September 13, 2016: ELife
https://www.readbyqxmd.com/read/27553923/dynamic-forecasting-conditional-probability-of-bombing-attacks-based-on-time-series-and-intervention-analysis
#11
Shuying Li, Jun Zhuang, Shifei Shen
In recent years, various types of terrorist attacks occurred, causing worldwide catastrophes. According to the Global Terrorism Database (GTD), among all attack tactics, bombing attacks happened most frequently, followed by armed assaults. In this article, a model for analyzing and forecasting the conditional probability of bombing attacks (CPBAs) based on time-series methods is developed. In addition, intervention analysis is used to analyze the sudden increase in the time-series process. The results show that the CPBA increased dramatically at the end of 2011...
August 23, 2016: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/27499598/complete-molar-pregnancy-in-postmenopausal-women
#12
Jasmina Begum, Pallavee Palai, Seetesh Ghose
Gestational trophoblastic disease (GTD) is an abnormal proliferation of trophoblastic tissue during pregnancy. It is a disease of reproductive age, and a few cases have also been seen in women with advanced age, although it is extremely rare in postmenopausal women. Here, we describe an uncommon case of complete hydatidiform mole (CHM) in a postmenopausal woman, who has presented to us with complaints of bleeding per vagina, vomiting with 22 weeks size gravid uterus. Ultrasound finding along with raised serum beta-human chorionic gonadotropin (β-HCG) 400,000 mIU/ml suggested the diagnosis of CHM...
April 2016: Journal of Mid-life Health
https://www.readbyqxmd.com/read/27489373/get-the-diagnosis-an-evidence-based-medicine-collaborative-wiki-for-diagnostic-test-accuracy
#13
Mark M Hammer, Gavriel D Kohlberg
BACKGROUND: Despite widespread calls for its use, there are challenges to the implementation of evidence-based medicine (EBM) in clinical practice. METHODS: In response to the challenges of finding timely, pertinent information on diagnostic test accuracy, we developed an online, crowd-sourced Wiki on diagnostic test accuracy called Get the Diagnosis (GTD, http://www.getthediagnosis.org). RESULTS: Since its launch in November 2008 till October 2015, GTD has accumulated information on 300 diagnoses, with 1617 total diagnostic entries...
April 2017: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/27453586/twin-pregnancy-with-one-fetus-and-one-complete-mole-a-case-report
#14
A Freis, M Elsässer, C Sohn, H Fluhr
Twin pregnancy consisting of one fetus and one complete mole (CMCF, complete hydatidiform mole and a coexistent fetus) is an obstetric rarity with an incidence of 1/22 000 to 1/100 000 pregnancies. Associated risks include prematurity, intrauterine death, vaginal bleeding, preeclampsia, hyperthyroidism, theca lutein cysts, uterine rupture and the development of malignant neoplasia in the form of a trophoblastic tumour (GTD, persistent gestational trophoblastic disease), which is thought to be the most common complication...
July 2016: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/27424363/centralized-coordination-of-decentralized-assistance-for-patients-with-gestational-trophoblastic-disease-in-brazil-a-viable-strategy-for-developing-countries
#15
Antonio Braga, Marcelo Burlá, Fernanda Freitas, Elza Uberti, Mauricio Viggiano, Sue Yazaki Sun, Izildinha Maestá, Kevin M Elias, Ross S Berkowitz
OBJECTIVE: To report on the Brazilian Association of Gestational Trophoblastic Disease's (GTD) formation of a network of regional care at specialized centers for women with GTD. STUDY DESIGN: We developed a questionnaire composed of 15 questions, which was sent by email to the 38 Brazilian GTD Reference Center (BGTDRC) Directors who are members of the Brazilian Association of GTD, in order to characterize the professionals involved in the care of patients with GTD and the type of assistance provided...
May 2016: Journal of Reproductive Medicine
https://www.readbyqxmd.com/read/27355000/incidence-and-contributing-factors-to-termination-of-the-patient-physician-relationship
#16
Joseph T Santoso, Edmundo Yibirin, Mary Crigger, Jim Wan, Adam C ElNaggar
PURPOSE: Identify the incidence and factors contributing to the termination of gynecologic patient-physician relationships. METHODS: All patients terminated from the practice between January 2008 and December 2012 were identified. Charts were reviewed for demographic information, termination reason, and cancer diagnosis. RESULTS: In the five year study period, 8851 new patients presented to the division of gynecologic oncology. Within this cohort, 123 patient-physician relationships were terminated...
August 2016: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/27352577/spontaneous-renal-hemorrhage-caused-by-invasive-mole-a-case-report
#17
S Xiao, Q Mu, Y Wan, M Xue
CASE: The authors report a case with spontaneous renal hemorrhage caused by invasive mole. The diagnosis was gestational trophoblastic disease (GTD), with metastasis to brain, kidneys, and lungs at Stage IV. The patient was given etoposide-methotrexate-actinomycin D plus cyclophosphamide-vincristine (EMACO) treatment regimen for 11 times including three times with consolidation chemotherapies. Laparoscopically-assisted vaginal hysterectomy (LAVH) + laparoscopic-assisted left renal excision + evacuation of the left perirenal hematoma were performed during the eighth chemotherapy...
2016: European Journal of Gynaecological Oncology
https://www.readbyqxmd.com/read/27303685/clostridium-sordellii-lethal-toxin-autoprocessing-and-membrane-localization-activities-drive-gtpase-glucosylation-profiles-in-endothelial-cells
#18
Ryan Craven, D Borden Lacy
Clostridium sordellii infections cause gangrene and edema in humans and gastrointestinal infections in livestock. One of the principle virulence factors is TcsL, a large protein toxin which glucosylates host GTPases to cause cytopathic and cytotoxic effects. TcsL has two enzymatic domains, an N-terminal glucosyltransferase domain (GTD) and an autoprocessing domain responsible for release of the GTD within the cell. The GTD can then use its N-terminal membrane localization domain (MLD) for orientation on membranes and modification of GTPases...
January 2016: MSphere
https://www.readbyqxmd.com/read/27266212/a-10-year-clinical-experience-of-gestational-trophoblastic-disease-at-rajavithi-hospital-2001-2010
#19
Marut Yanaranop, Chalermrat Potikul, Suphet Tuipae
BACKGROUND: Gestational trophoblastic disease (GTD) develops from abnormal cellular proliferation of trophoblasts following fertilization and is categorized as either an hydatidiform mole (HM) or a gestational trophoblastic neoplasia (GTN). OBJECTIVE: To analyze the clinical characteristics, incidence and treatment outcomes of GTD at Rajavithi Hospital. MATERIAL AND METHOD: Medical records of women diagnosed with GTD at Rajavithi Hospital from January 1, 2001 to December 31, 2010 were retrospectively reviewed...
February 2016: Journal of the Medical Association of Thailand, Chotmaihet Thangphaet
https://www.readbyqxmd.com/read/27258726/gestational-trophoblastic-disease-opportunities-for-a-national-registry-collaboration
#20
Alexandre Rozenholc, Jason Dodge, Magali Bréguet, Philippe Sauthier
OBJECTIVE: In rare entities such as gestational trophoblastic disease (GTD), only multi-institutional registries can gather significant number of patients to build up valuable clinical databases. No Canada-wide GTD registry currently exists. We conducted a survey among members of the Canadian Society of Gynecologic Oncology (GOC) to investigate their interest in a pan-Canadian GTD registry. We also took the opportunity to explore their management of GTD. METHODS: An electronic survey was conducted...
July 2016: International Journal of Gynecological Cancer
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