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Gynecological ultrasound

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https://www.readbyqxmd.com/read/28634788/consistent-reconstruction-of-4d-fetal-heart-ultrasound-images-to-cope-with-fetal-motion
#1
Christine Tanner, Barbara Flach, Céline Eggenberger, Oliver Mattausch, Michael Bajka, Orcun Goksel
PURPOSE: 4D ultrasound imaging of the fetal heart relies on reconstructions from B-mode images. In the presence of fetal motion, current approaches suffer from artifacts, which are unrecoverable for single sweeps. METHODS: We propose to use many sweeps and exploit the resulting redundancy to automatically recover from motion by reconstructing a 4D image which is consistent in phase, space, and time. An interactive visualization framework to view animated ultrasound slices from 4D reconstructions on arbitrary planes was developed using a magnetically tracked mock probe...
June 20, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28634754/value-of-endometrial-thickness-assessed-by-transvaginal-ultrasound-for-the-prediction-of-endometrial-cancer-in-patients-with-postmenopausal-bleeding
#2
Amelie Schramm, Florian Ebner, Emanuel Bauer, Wolfgang Janni, Ulrike Friebe-Hoffmann, Miriam Pellegrino, Nikolaus De Gregorio, Thomas W P Friedl
PURPOSE: Histological confirmation of endometrial cancer by dilatation/curettage (D/C) in women with postmenopausal bleeding (PMB) can be challenging due to anesthesiological and/or surgical risks. Thus, less invasive methods for diagnostics are required to identify patients with minimal risk for endometrial cancer (EC) to avoid unnecessary surgical intervention. The objective of this single-center cohort study was to assess the diagnostic validity of transvaginal ultrasound (TVUS) measurements of endometrial thickness (ET) in patients with PMB for the detection of EC...
June 20, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28616050/occult-cancer-in-patients-with-deep-vein-thrombosis-in-a-general-hospital-at-mexico-city-a-pilot-study
#3
Christian O Ramírez-Serrano Torres, Edgardo Román-Guzmán, Carlos-Manuel Ortiz-Mendoza
BACKGROUND: We aimed to explore the frequency of occult cancer in patients with deep-vein thrombosis (DVT) at a general hospital in Mexico City. MATERIALS AND METHODS: From March 2012 to February 2015, all patients with primary DVT of lower extremities attended in the emergency department of our hospital were studied. Initially, all patients were evaluated with clinical history, physical examination, basic laboratories, abdominal ultrasound, chest X-ray, and duplex venous ultrasonography...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28603079/ultrasound-molecular-imaging-of-ovarian-cancer-with-ca-125-targeted-nanobubble-contrast-agents
#4
Yong Gao, Christopher Hernandez, Hai-Xia Yuan, Jacob Lilly, Pavan Kota, Haoyan Zhou, Hanping Wu, Agata A Exner
Ultrasound is frequently utilized in diagnosis of gynecologic malignancies such as ovarian cancer. Because epithelial ovarian cancer (EOC) is often characterized by overexpression of cancer antigen 125 (CA-125), ultrasound contrast agents able to target this molecular signature could be a promising complementary strategy. In this work, we demonstrate application of CA-125-targeted echogenic lipid and surfactant-stabilized nanobubbles imaged with standard clinical contrast harmonic ultrasound for imaging of CA-125 positive OVCAR-3 tumors in mice...
June 9, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28600890/pilot-study-of-a-software-supported-protocol-for-second-trimester-ultrasound-screening
#5
Thierry Bultez, Jean-Pierre Bernard, Ulrike Metzger, Yves Ville, Laurent Julien Salomon
OBJECTIVES: To evaluate the feasibility and impact of using a software-supported protocol for routine second-trimester ultrasound scanning. METHODS: We conducted a comparative observational study of 2 sets of 25 randomly selected normal routine second-trimester examinations performed by the same expert sonographer before and 1 year after the introduction of a software-supported protocol. The scanning protocol was identical during both periods and conformed to International Society of Ultrasound in Obstetrics and Gynecology guidelines...
June 10, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28591886/mr-guided-focused-ultrasound-in-fibroid-treatment-results-of-the-3rd-radiological-gynecological-expert-meeting
#6
Matthias David, Matthias Matzko
No abstract text is available yet for this article.
June 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28567103/can-breast-ultrasound-reduce-patient-s-level-of-anxiety-and-pain
#7
Fariba Zarei, Parisa Pishdad, Mohammad Hatami, Banafsheh Zeinali-Rafsanjani
BACKGROUND: Breast pain is one of the most common complaints of women attending a gynecology clinic and general practitioners. This pain can cause anxiety and, consequently, reduce the woman's quality of life. The objective of this study was to assess the severity of pain and anxiety in patients with breast pain and normal examination, before and after breast sonography. MATERIALS AND METHODS: Among the patients with breast pain and normal examination who came for breast sonography in three centers in Shiraz during 2011-2012, 51 patients agreed to cooperate in this project...
May 2017: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/28557403/-improved-management-of-patients-in-the-detection-of-fluid-in-the-uterine-cavity-during-ultrasound-examination-of-small-pelvis-in-postmenopausal-women
#8
M S Selihova, S V Vdovin, M V Michaylovskya
In carrying out preventive ultrasound in postmenopausal often reveals the presence of fluid in the uterine cavity and exhibiting as serozometra, whereby the patient is sent to the gynecological hospital to perform hysteroscopy. The analysis of 55 case histories of patients with serozometra treated in gynecological departments of Volgograd 2013-2015 years. The findings suggest that serozometra the majority (82,4 %) of the cases is not accompanied by endometrial pathology , thus intrauterine intervention was performed unfounded...
2017: Advances in Gerontology, Uspekhi Gerontologii
https://www.readbyqxmd.com/read/28537347/adnexal-torsion-in-the-first-trimester-of-pregnancy-diagnosis-laparoscopic-management-and-review-of-the-literature
#9
Rafael Bras, Jorge Braga, António Tomé, Helder Ferreira
We report a case of an adnexal torsion in a 27-year-old woman in her 12th week of gestation. She presented with hypogastric and lumbar pain with biliary vomiting and nausea. Upon physical examination, tenderness in the right lower quadrant with rebound tenderness was apparent, and gynecological examination revealed right adnexal tenderness with absence of abnormal cervical discharge. The transvaginal ultrasonography demonstrated an enlarged cystic right ovary with no flow detected on color and power Doppler mode...
May 24, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28508426/the-role-of-transvaginal-ultrasound-in-the-evaluation-of-ureteral-involvement-in-deep-endometriosis
#10
P Carfagna, C De Cicco Nardone, A De Cicco Nardone, A C Testa, G Scambia, R Marana, F De Cicco Nardone
OBJECTIVE: To assess whether routine visualization of the pelvic ureter during transvaginal ultrasonography should be performed in all patients with deep endometriosis candidate to surgery, in order to identify a potential silent ureteral involvement by the disease. METHODS: This was a prospective study of 200 consecutive patients undergoing surgery for deep endometriosis, evaluated between January 2012 and December 2014 at a tertiary endometriosis center at the Department of Obstetrics and Gynecology, Fondazione Policlinico Universitario A...
May 15, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28508399/hdliveflow-with-spatiotemporal-image-correlation-for-the-diagnosis-of-congenital-heart-disease
#11
Megumi Ito, Mohamed Ahmed Mostafa AboEllail, Kenta Yamamoto, Kenji Kanenishi, Hirokazu Tanaka, Hiroshi Masaoka, Toshiyuki Hata
With the latest advancement of three-dimensional (3D)/four-dimensional (4D) ultrasound machines, HDliveFlow will facilitate more precise evaluations of the fetal and placental circulations [1-5] and gynecologic disorders [6-10]. HDliveFlow silhouette mode is the latest technology to demonstrate vitreous-like clarity of the blood flow. This technique has the ability to preserve and delineate the outline and borders of the blood flow, while showing its core as transparent.
May 16, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28484292/correlation-of-oxidative-stress-markers-with-ultrasound-and-cardiotocography-parameters-with-hypertension-induced-pregnancy
#12
Dragica Draganovic, Nenad Lucic, Dragica Jojic, Snjezana Milicevic
INTRODUCTION: Pregnancy induced hypertension (PIH), especially preeclampsia, is a state of extremely increased oxidative stress (OS), due to decrease of antioxidant capacity in comparison to normotensive pregnant women. The consequences of increased state of oxidative stress with hypertension disorder in pregnancy are disorder of placental blood flow, intrauterine hypoxia of the fetus and disturbance in transfer of O2 manifested as pathological ultrasound (US) parameters (amount of amniotic fluid and biophysical profile of fetus) and cardiotocography parameters (CTG)...
March 2017: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/28467765/rambam-hospital-is-the-birthplace-of-the-modern-version-of-transvaginal-ultrasound
#13
Ilan E Timor-Tritsch
The worldwide use of the transvaginal scanning route has revolutionized obstetrical and gynecologic imaging. The long, slow, and at times challenging aspects of its acceptance by the obstetrical and gynecologic community are the subject of this article. From its inception to its recent use, the dedicated doctors in the Department of Obstetrics and Gynecology at Rambam Medical Center, Haifa, Israel, were instrumental in conceiving and then collaborating with an Israeli manufacturer in the construction and worldwide use of the transvaginal ultrasound probe, resulting in the now well-known field of transvaginal sonography...
April 28, 2017: Rambam Maimonides Medical Journal
https://www.readbyqxmd.com/read/28463907/placenta-previa-increta-in-an-unscarred-uterus-with-marked-thinning-of-myometrium-in-the-entire-uterus-in-a-patient-with-systemic-lupus-erythematosus
#14
Namita Mittal, Maylene Pineda, Boon Lim, Elizabeth Carey
A 36-yr-old woman, G5P2, who had a background history of systemic lupus erythematosus (SLE) was found to have placenta previa and placenta accreta on second trimester ultrasound scan. She had previous 3 spontaneous miscarriages but there was no history of gynecologic interventions. Apart from SLE, there was no other explanation for her recurrent miscarriage. The patient had ongoing thrombocytopenia in this pregnancy. The patient was taken for elective lower uterine segment cesarean section at 36 wk+5 d gestation...
April 29, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28461175/in-office-hysteroscopic-extraction-of-intrauterine-devices-in-pregnant-patients-who-underwent-prior-ultrasound-guided-extraction-failure
#15
Shlomo B Cohen, Jerome Bouaziz, Alexandra Bar-On, Eyal Schiff, Motti Goldenberg, Roy Mashiach
STUDY OBJECTIVE: To determine an effective method of intrauterine device (IUD) retrieval from pregnant women who had previous unsuccessful ultrasound-guided IUD extraction failure. DESIGN: A retrospective cohort study (Canadian task force classification II-1). SETTING: A gynecology department of an outpatient clinic. PATIENTS: Pregnant patients in their first trimester with IUD in situ who underwent prior unsuccessful ultrasound-guided IUD extraction...
April 28, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28453631/prenatal-cerebellar-growth-trajectories-and-the-impact-of-periconceptional-maternal-and-fetal-factors
#16
I V Koning, J Dudink, I A L Groenenberg, S P Willemsen, I K M Reiss, R P M Steegers-Theunissen
STUDY QUESTION: CAN WE assess human prenatal cerebellar growth from the first until the third trimester of pregnancy and create growth trajectories to investigate associations with periconceptional maternal and fetal characteristics? SUMMARY ANSWER: Prenatal growth trajectories of the human cerebellum between 9 and 32 weeks gestational age (GA) were created using three-dimensional ultrasound (3D-US) and show negative associations with pre-pregnancy and early first trimester BMI calculated from self-reported and standardized measured weight and height, respectively...
June 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28449311/reproducibility-of-the-international-endometrial-analysis-group-color-score-for-assigning-the-amount-of-flow-within-the-endometrium-using-stored-3-dimensional-volumes
#17
Juan Luis Alcázar, María Ángela Pascual, Silvia Ajossa, Cristina de Lorenzo, Alba Piras, Lourdes Hereter, Leire Juez, Paola Fabbri, Betlem Graupera, Stefano Guerriero
OBJECTIVES: To estimate intraobserver and interobserver reproducibility for assigning an International Endometrial Tumor Analysis (IETA) group color score for endometrial vascularization on color Doppler imaging. METHODS: Sixty-eight endometrial 3-dimensional volumes from endometrial color Doppler assessments of women with different endometrial disorders were evaluated by 8 different examiners (4 skilled examiners and 4 obstetric and gynecologic trainees). One skilled examiner who did not participate in the assessments selected the 68 volumes from a database to select a balanced number of each IETA score...
April 27, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28448435/a-resident-s-perspective-of-ovarian-cancer
#18
Christopher G Smith
Identifying, understanding, and curing disease is a lifelong endeavor for any medical practitioner. Equally as important is to be cognizant of the impact a disease has on the individual suffering from it, as well as on their family. Ovarian cancer is the leading cause of death from gynecologic malignancies. Symptoms are vague, and the disease is generally at an advanced stage at diagnosis. Efforts have been made to develop methods to identify ovarian cancer at earlier stages, thus improving overall mortality...
April 27, 2017: Diagnostics
https://www.readbyqxmd.com/read/28442932/granular-cell-tumor-in-breast-a-case-report
#19
Maria Castillo Lara, Antonia Martínez Herrera, Rafael Torrejón Cardoso, Daniel Maria Lubián López
Granular cell tumor (GCT) is a rare neoplasm of the soft tissues, and <1% of all GCTs are malignant. It usually appears in the tongue and sometimes may affect the female breast. Initially, GCT was considered to be a myogenic lesion affecting female breast (myoblastoma). Actually, it is assumed as a tumor originating from perineural or putative Schwann cells of peripheral nerves or their precursors that grows in the lobular breast tissue, due to the immunohistochemical features. Here, we review the importance of differentiating between this tumor and malignant breast carcinoma...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28432039/simulation-training-evaluating-the-instructor-s-contribution-to-a-wizard-of-oz-simulator-in-obstetrics-and-gynecology-ultrasound-training
#20
Aric Katz, Ronnie Tepper, Avraham Shtub
BACKGROUND: Workplaces today demand graduates who are prepared with field-specific knowledge, advanced social skills, problem-solving skills, and integration capabilities. Meeting these goals with didactic learning (DL) is becoming increasingly difficult. Enhanced training methods that would better prepare tomorrow's graduates must be more engaging and game-like, such as feedback based e-learning or simulation-based training, while saving time. Empirical evidence regarding the effectiveness of advanced learning methods is lacking...
April 21, 2017: JMIR Medical Education
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