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Ultrasound,vascular,color doppler

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https://www.readbyqxmd.com/read/29201804/aneurysm-of-portosystemic-fistula-a-case-report-and-review-of-literature
#1
Sila Ulus, Gulhan Ertan Akan, Cengiz Erol
Aim: A case of asymptomatic aneurysm of spontaneous portosystemic venous fistula (SPVF) with the radiologic findings is described. Background: Although advances and more widespread use of ultrasound (US) and computed tomog -raphy angiography (CTA) have enabled more detection of SPVF in the liver, it is a rare entity. Case report: A 49-year-old male was referred to our hospital's nephrology outpatient clinic due to hypertension. Abdominal sonography examination detected a well-defined cystic lesion adjacent to the middle hepatic vein in the liver...
July 2017: Euroasian Journal of Hepato-Gastroenterology
https://www.readbyqxmd.com/read/29201456/use-of-oct-angiography-in-choroidal-melanocytic-tumors
#2
Juan J Toledo, Mónica Asencio-Duran, Jesús R García-Martinez, Alejandro López-Gaona
Objective: To describe OCTA findings in choroidal melanocytic tumors, especially the microcirculation patterns, and to try to correlate with the histopathological studies. Methods: Cross-sectional, comparative, observational study. 70 cases, including 55 choroidal nevi and 15 choroidal melanomas. Three different observers evaluated specific variables in the choriocapillaris layer on AOCT images and searched for images which described histopathologic vascular patterns, and also, a general description of the images was made...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29167944/contrast-enhanced-ultrasound-of-benign-liver-lesions
#3
Jessica G Zarzour, Kristin K Porter, Hisham Tchelepi, Michelle L Robbin
Liver lesions are often incidentally detected on ultrasound examination and may be incompletely characterized, requiring further imaging. Contrast-enhanced ultrasound (CEUS) was recently approved by the Food and Drug Administration in the United States for liver lesion characterization. CEUS has the ability to characterize focal liver lesions and has been shown to be superior to color Doppler and power Doppler ultrasound in the detection of tumor vascularity. Differentiating benign from malignant liver lesions is essential to characterizing liver lesions...
November 22, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29140571/is-overactive-bladder-microvasculature-disease-a-component-of-systemic-atheroscleorosis
#4
Ahmet Ozgur Yeniel, Ahmet Mete Ergenoglu, Reci Meseri, Erkan Kismali, Anıl Ari, Gulgun Kavukcu, Hikmet H Aydin, Handan Ak, Sevcan Atay, Ismail Mete Itil
AIMS: To evaluate the relationship between overactive bladder (OAB) and systemic atherosclerosis in a cohort of women. METHODS: In this case-control study, we assessed atherosclerosis indicators, such as Framingham risk scores and carotid and femoral artery intima-media thickness, and evaluated possible bladder wall responses to atherosclerosis using endovaginal color Doppler ultrasound and the detection of urinary cytokines in women with OAB and in controls. Quantitative assessment of blood perfusion at the bladder neck was performed using a method that allows for the dynamic monitoring of flow in a predefined region of interest at every point of the cardiac cycle...
November 15, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29124818/diagnosis-and-management-of-patients-with-enhanced-myometrial-vascularity-associated-with-retained-products-of-conception
#5
Yvette S Groszmann, Amie Lynn Healy Murphy, Beryl R Benacerraf
OBJECTIVES: We performed this study to assess the complication rate, including the estimated amount of blood loss, in patients who underwent dilation and curettage for treatment of retained products of conception with markedly enhanced myometrial vascularity mimicking arteriovenous malformations. METHODS: This is a retrospective medical records review study of patients with retained products of conception with enhanced myometrial vascularity presenting to our ultrasound unit between August 1, 2015 and August 1, 2017...
November 10, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29123079/a-case-of-round-ligament-varices-presenting-in-pregnancy
#6
Luis F García-Paredes, Stephanie C Torres-Ayala, Wilmarie Rivera-Hernández, Wilma Rodriguez Mojica
BACKGROUND Round ligament varices (RLV) are rare and are almost exclusively seen in pregnant women. RLV may clinically resemble an inguinal hernia, inguinal mass, or other pathology involving the inguinal canal and round ligament. Ultrasound imaging is important to make the diagnosis of RLV. CASE REPORT A 34-year-old Hispanic woman, gravida 1 para 0, at 34 weeks gestation, presented to our outpatient department with a complaint of a small, painless, reducible right inguinal mass. Gray-scale sonography showed an asymmetric right inguinal anechoic mass composed of multiple serpentine tubular channels, which became more prominent when the patient performed a Valsalva maneuver...
November 10, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29120064/size-and-ultrasound-features-affecting-results-of-ultrasound-guided-fine-needle-aspiration-of-thyroid-nodules
#7
YiJie Dong, MinJing Mao, WeiWei Zhan, JianQiao Zhou, Wei Zhou, JieJie Yao, YunYun Hu, Yan Wang, TingJun Ye
OBJECTIVES: Our goal was to assess the diagnostic efficacy of ultrasound (US)-guided fine-needle aspiration (FNA) of thyroid nodules according to size and US features. METHODS: A retrospective correlation was made with 1745 whole thyroidectomy and hemithyroidectomy specimens with preoperative US-guided FNA results. All cases were divided into 5 groups according to nodule size (≤5, 5.1-10, 10.1-15, 15.1-20, and >20 mm). For target nodules, static images and cine clips of conventional US and color Doppler were obtained...
November 9, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29119649/prospective-multimodal-imaging-assessment-of-locally-advanced-cervical-cancer-patients-administered-by-chemoradiation-followed-by-radical-surgery-the-price-prospective-imaging-of-cervical-cancer-and-neoadjuvant-treatment-study-2-the-role-of-ultrasound-after
#8
Antonia Carla Testa, Francesca Moro, Tina Pasciuto, Maria Cristina Moruzzi, Alessia Di Legge, Gilda Fuoco, Rosa Autorino, Angela Collarino, Benedetta Gui, Gian Franco Zannoni, Antonietta Gambacorta, Maura Miccò, Vittoria Rufini, Giovanni Scambia, Gabriella Ferrandina
OBJECTIVE: To determine the diagnostic performance of two-dimensional ultrasound parameters, three-dimensional power Doppler and intravenous contrast enhanced indices in detecting residual disease in locally advanced cervical cancer patients triaged to neoadjuvant treatment followed by radical surgery. METHODS: Between October 2010 and June 2014, 108 women with histologically documented cervical cancer and FIGO stage IB2-IVA were screened and 88 of them were included in the final analysis...
November 8, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29103260/-seminal-vesicle-abscess-associated-with-zinner-syndrome
#9
Sohei Kuribayashi, Go Tanigawa, Yohei Okuda, Masataka Kawamura, Nozomu Kishimoto, Kentaro Takezawa, Koichi Tsutahara, Tetsuya Takao, Seiji Yamaguchi
We report a case of seminal vesicle abscess associated with Zinner syndrome. A 26-year-old male was admitted to our hospital because of fever and right scrotal swelling. Ultrasound showed an enlarged epididymis and color Doppler ultrasound showed increased vascularity in the epididymis. We diagnosed the case as acute epididymitis and started intravenous antibiotic therapy. Four days after admission, remittent fever persisted and blood culture was positive for Staphylococcus aureus. We performed computed tomography, which showed a right seminal vesicle cyst abscess and right renal agenesis...
October 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/29073540/uterine-endometrial-vascularization-during-ovarian-follicular-growth-in-llamas-the-effect-of-estradiol-plasma-concentration
#10
Mauricio Silva, Felipe Urra, Marcelo Ratto
The aim of this study was to evaluated changes in endometrial vascularization area (EVA) between the left and right uterine horn: a) during the ovarian follicular growth in intact llamas, and b) after exogenous estradiol administration of estradiol benzoate in ovariectomized (OVX) llamas. In experiment 1 follicle wave emergence was synchronized (n = 5 llamas) by follicle ablation (Day 0). Females were examined every other day from Day 1 to Day 27, using B mode ultrasonography to evaluate dominant follicle growth profile...
October 17, 2017: Theriogenology
https://www.readbyqxmd.com/read/28983674/contrast-enhanced-ultrasound-ceus-of-the-abdominal-vasculature
#11
REVIEW
Vasileios Rafailidis, Cheng Fang, Gibran T Yusuf, Dean Y Huang, Paul S Sidhu
Vascular diseases account for a significant proportion of abdominal pathology and represent a common referral source for abdominal ultrasonographic examinations. B-mode, color Doppler, and spectral Doppler analyses are well-established in the evaluation of abdominal blood vessels although they may occasionally be limited by lower sensitivity for slow flow visualization or the deeper location of abdominal vascular structures. The introduction of microbubbles as ultrasonographic contrast agents has rendered contrast-enhanced ultrasound (CEUS), a valuable complementary ultrasonographic technique, which is capable of addressing clinically significant problems and guiding patient management...
October 5, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28983163/angioleiomyoma-of-uterus-masquerading-as-malignant-ovarian-tumor
#12
Sweta Singh, Monalisha Naik, Narbadyswari Deep Bag, Susama Patra
Uterine angioleiomyoma is rare. A 40-year-old nulliparous woman presented with heavy menstrual bleeding (HMB) for the past 2 years and mass per abdomen with severe dysmenorrhea for three cycles. She had received 8 units of packed cell transfusion outside. Clinical examination revealed a huge 32-week-sized abdominopelvic mass with irregular margins. Ultrasonography (USG) of the abdomen and pelvis showed a large solid cystic mass on the right side of the abdomen with a well-defined hypoechoeic rounded lesion of size 5...
July 2017: Journal of Mid-life Health
https://www.readbyqxmd.com/read/28982622/retroperitoneal-compartment-syndrome-in-renal-transplantation-how-to-salvage-the-graft
#13
Karen Pineda-Solís, Wen Yan Xie, Vivian McAlister, Alp Sener, Patrick P Luke
OBJECTIVE: Early allograft dysfunction may be caused by several technical factors including vascular complications such as thrombosis, kinking, or extrinsic compression. Renal allograft compartment syndrome (RACS) is an unrecognized cause of early allograft dysfunction. This complication is characterized by increased pressure of the iliac fossa that reduces the blood supply to the graft with a potentially devastating consequence. The main objective when recognizing this condition is to create a tension-free muscle closure...
September 2017: Urology
https://www.readbyqxmd.com/read/28942476/predicting-early-pregnancy-in-egyptian-buffalo-cows-via-measuring-uterine-and-luteal-blood-flows-and-serum-and-saliva-progesterone
#14
Mohamed E Lasheen, Hussein M Badr, Mohamed M M Kandiel, Amal M Abo El-Maaty, Haney Samir, Mohamed Farouk, Mohamed H Eldawy
Various methods are being employed to detect early pregnancy in domestic animals. This study aimed to predict early pregnancy in buffaloes via measuring the corpus luteum (CL) diameter, the luteal blood flow (LBF) area, the uterine blood flow (UBF) vascularization area, and progesterones in saliva and serum for non-pregnant (NPBs, N = 12) and pregnant (PBs, N = 12) buffaloes. The results revealed that the CL diameter and the luteal color blood flow blue and red (P = 0.0001) areas of the pregnant animals kept increasing from day 1 to day 35 of the gestation period, but it decreased in NPBs on day 21 after reaching a peak from ovulation to day 18...
September 23, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28887861/ultrasound-guided-intratumoral-radiofrequency-ablation-coagulation-to-facilitate-meningioma-resection-preliminary-experience
#15
Li Yan, Junle Yang, Xiaodong Zhou, Guangbin He, Yu Zheng, Yali Zhu, Weiping Liu, Wen Luo, Haiying Qin, Haijing Liu, Xicai Yi, Yin Zhou
OBJECTIVES: This study aimed to explore the feasibility and safety of intratumoral radiofrequency ablation (RFA) in meningioma resection. METHODS: This study was approved by the Xijing Ethics Committee, and informed consent was obtained from all of the patients. Thirteen patients with meningiomas were recruited in the Neurosurgery Department of Xijing Hospital. These patients were treated with intratumoral RFA and surgery. We also chose 13 patients with meningiomas treated with traditional surgery as the control group...
September 9, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28884300/what-every-radiologist-should-know-about-adnexal-torsion
#16
Guillaume Ssi-Yan-Kai, Anne-Laure Rivain, Caroline Trichot, Marie-Chantal Morcelet, Sophie Prevot, Xavier Deffieux, Jocelyne De Laveaucoupet
Adnexal torsion is the fifth most common gynecologic surgical emergency, requiring clinician and radiologist awareness. It involves the rotation of the ovarian tissue on its vascular pedicle leading to stromal edema, hemorrhagic infarction, and necrosis of the adnexal structures with the subsequent sequelae. Expedient diagnosis poses a difficult challenge because the clinical presentation is variable and often misleading. Adnexal torsion can mimic malignancy as it can take a subacute, intermittent, or chronic course, and thereby can be complicated to diagnose...
September 7, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28882392/fundus-autofluorescence-in-retinal-artery-occlusion-a-more-precise-diagnosis
#17
J-L Bacquet, M Sarov-Rivière, C Denier, G Querques, B Riou, L Bonin, E Barreau, M Labetoulle, A Rousseau
IMPORTANCE: Retinal artery occlusion (RAO) is a medical emergency associated with a high risk of cerebral vascular accident and other cardiovascular events. Among patients with non-arteritic RAO, a retinal embolus is observed in approximately 40% of cases. Fundus examination and retinography are not reliable to predict the nature of the emboli. OBSERVATIONS: We report three consecutive cases of central and branch RAO that were investigated with fundus autofluorescence, fluorescein angiography and color retinal photographs...
October 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28875230/b-flow-sonography-for-evaluation-of-basal-cerebral-arteries-in-newborns
#18
M Groth, M Ernst, P Deindl, J Herrmann
The aim of the study was to evaluate the B‑flow sonography (BFS) to image the basal cerebral arteries in newborn infants. For this purpose 34 newborns, who underwent standardized ultrasound of the brain including BFS, color Doppler (CDS) and power Doppler (PDS) techniques were retrospectively assessed. Delineation of the anterior communicating (Acom), the posterior communicating (Pcom), the middle cerebral (M1 and M2 segments), the anterior cerebral (A1 and A2 segments), and the posterior cerebral artery (P1 and P2 segments) were visually scored...
September 5, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28875095/evaluation-of-prostatic-lesions-by-transrectal-ultrasound-color-doppler-and-the-histopathological-correlation
#19
Sachin Khanduri, Gaurav Katyal, Aakshit Goyal, Saurav Bhagat, Santosh Yadav, Tarim Usmani, Nikita Singh, Mriganki Chaudhary, Shobha Khanduri
Objective To evaluate the role of a transrectal ultrasound (TRUS) guided biopsy and a color Doppler test in the detection of prostate cancer in patients with increased serum prostate-specific antigen (PSA) levels and/or an abnormal digital rectal examination (DRE). Method A total of 40 cases, ranging in age from 50 to 80 years and showing increased serum PSA levels (4-10 ng/ml) and/or abnormal DRE, were enrolled and underwent TRUS evaluation followed by color Doppler flowmetric studies. A TRUS-guided biopsy was performed in all the cases...
July 3, 2017: Curēus
https://www.readbyqxmd.com/read/28870937/mri-and-ultrasound-fusion-imaging-for-cervical-cancer
#20
MULTICENTER STUDY
Claire Théodore, Jean Marc Levaillant, Perrine Capmas, Naima Chabi, Dounia Skalli, Laurine Vienet-Legué, Bassam Haddad, Hervé Fernandez, Cyril Touboul
BACKGROUND: Evaluating locoregional extension of cervical cancer is a key step in patient management. This study evaluated the feasibility of fusion imaging - a combination of magnetic resonance imaging (MRI) with real-time high-resolution ultrasound (US) - to diagnose cervical cancer and its extension. PATIENTS AND METHODS: This prospective bi-center study included 13 women who underwent a 1.5-T MRI protocol including at least one T2-weighted plane. The results of imaging fusion were then compared with US and MRI results alone...
September 2017: Anticancer Research
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