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Journal of Clinical Ultrasound: JCU

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https://www.readbyqxmd.com/read/28295423/analysis-of-false-negative-readings-of-automated-breast-ultrasound-studies
#1
Ahuva Grubstein, Yael Rapson, Itai Gadiel, Maya Cohen
BACKGROUND: To assess the reasons for false-negative readings of automated breast ultrasound (ABUS) studies. METHODS: Between 2012 and 2015, 1,890 ABUS studies were performed at our tertiary medical center. Those for which false-negative results were documented in the initial ABUS report against the corresponding hand-held ultrasound (HHUS) scan were reviewed by three specialized breast radiologists. Key images of specific lesions were marked on the ABUS and HHUS scans and compared for quality (equal, better with HHUS, better with ABUS)...
March 13, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28271534/patient-after-renal-transplantation-with-syncope-role-of-echocardiography-in-upright-position
#2
Paweł Petkow Dimitrow, Danuta Sorysz, Rafał Hładij, Bernadeta Chyrchel, Barbara Dudzik, Władysław Sułowicz, Andrzej Surdacki
In Doppler echocardiography, testing left ventricular outflow tract (LVOT) gradient in the supine position (as is done in everyday practice) does not reflect the pathophysiology of this dynamic abnormality during the daily activities that trigger the symptoms (eg, syncope). LVOT obstruction is a dynamic phenomenon, strongly dependent on the left ventricular cavity size, geometric configuration of hypertrophy, load variability, contractility, and mitral apparatus abnormalities. LVOT gradient may develop not only in hypertrophic cardiomyopathy but also in various heart diseases...
March 8, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28271531/value-of-contrast-enhanced-sonography-of-small-hepatocellular-carcinoma-with-sonazoid-prior-to-radiofrequency-ablation
#3
So Jung Lee, Hyung Jin Won, Kyung Won Kim, Yong Moon Shin, Pyo Nyun Kim
BACKGROUND: We aimed to determine the value of contrast-enhanced sonography (CEUS) with Sonazoid prior to percutaneous radiofrequency ablation (RFA) of small (<3 cm) hepatocellular carcinoma (HCC). METHODS: This prospective study was approved by our institutional review board and informed consent was obtained. The following criteria were used for study enrollment: (1) cirrhotic patients with HCCs found by contrast-enhanced CT or Gd-EOB-DTPA-enhanced MRI; (2) a single HCC <3 cm in longest diameter or multinodular HCCs (<3) with each tumor <3 cm in longest diameter; and (3) indeterminate identification of the index tumor from the surrounding cirrhosis-related pseudolesions on conventional US...
March 8, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28271526/sonographic-measurement-of-the-fetal-thymus-relationship-with-maternal-obesity
#4
Melahat Yildirim, Ali Ipek, Gulcan Dauletkazin, Busra Demir Cendek, Saniye Gezegen, Raziye Desdicioglu, Ayse Filiz Avsar Yavuz
BACKGROUND: The purpose of this study was to evaluate the influence of maternal obesity on the size of the fetal thymus. METHODS: The study population consisted of 138 pregnant women who were divided into two groups based on their body mass index (BMI): Normal-weight group (n = 97; BMI: 18-25 kg/m(2) ) and obese group (n = 41; BMI: ≥ 30 kg/m(2) ). All participants underwent routine second-trimester prenatal ultrasound (US) screening at 20-25 weeks of gestation...
March 8, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28271519/bilateral-massive-perirenal-subcapsular-effusion-a-case-report
#5
Sercan Yilmaz, Murat Zor, Mehmet Ersan, Salih Hamcan
Bilateral perirenal subcapsular effusion is a rare condition with several underlying etiologies. A 27-year-old woman presented with a 3-day history of bilateral flank pain and edema on the dorsum of her feet. Imaging, biochemical, and clinical evaluations revealed bilateral massive perirenal subcapsular effusion secondary to nephrotic syndrome. The patient was successfully treated with bilateral percutaneous drainage. © 2017 Wiley Periodicals, Inc. J Clin Ultrasound, 2017.
March 8, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28256002/a-case-of-prenatally-detected-left-isomerism-and-hemiazygos-continuation-of-inferior-vena-cava
#6
Behnaz Moradi, Najme-Sadat Moosavi, Mohamad Ali Kazemi, Ahmad-Reza Tahmasebpour, Farzaneh Fattahi Masrour
Heterotaxy syndromes are defined as the disorders that involve abnormal arrangement of viscera. We present a case of prenatally diagnosed left isomerism in a 30-year-old primigravida woman referred to our hospital for complex cardiac abnormality. Sonographic findings included heart block, unbalanced atrioventricular septal defect, interruption of the inferior vena cava with hemiazygos continuation, double superior vena cava, a right-sided stomach, and biliary atresia. The hemiazygos vein drained into the right atrium by the persistent left superior vena cava...
March 3, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28255997/successful-ultrasound-guided-percutaneous-embolization-of-renal-pseudoaneurysm-by-autologous-blood-clot-preliminary-report-of-a-new-method
#7
Mohammad Zare Mehrjardi, Seyed Morteza Bagheri, Mohsen Darabi
We report the case of a 25-year-old female with renal arteriovenous fistula and pseudoaneurysm (PA) formation following renal core-needle biopsy, treated successfully by ultrasound-guided percutaneous embolization with autologous blood clot injection. After inserting a 15-gauge needle within the PA sac, 10 ml of blood was retrieved from the sac, and then reinjected into the PA as well as in the needle tract after the obtained blood completely clotted. The procedure was completed by manual compression of the flank...
March 3, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28251661/reduced-complication-rates-of-percutaneous-transhepatic-biliary-drainage-with-ultrasound-guidance
#8
Andrej Wagner, Christian Mayr, Tobias Kiesslich, Frieder Berr, Paul Friesenbichler, Gernot W Wolkersdörfer
BACKGROUND: We aimed to analyze the benefits of adding ultrasound (US) guidance to the standard fluoroscopically assisted percutaneous transhepatic biliary drainage (F-PTBD). We also performed a systematic literature review of success and complication rates of US-PTBD in a wide field of indications. METHODS: We evaluated a total of 81 US-PTBDs carried out in our institution, 74% of which were part of the management of malignancy. In addition, we compared our results with those of a total of 5,272 procedures (3,779 F-PTBD and 1,493 US-PTBD) reported in the literature...
March 2, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28220943/sonographic-appearance-of-a-cholesterol-granuloma-mimicking-breast-cancer
#9
Young-Seon Kim, Jung Min Chang
A breast cholesterol granuloma is a rare benign condition that can be a pitfall in diagnosing breast cancer. We describe a cholesterol granuloma in the breast mimicking breast cancer on sonography. The mass was confirmed to be a cholesterol granuloma through a core needle biopsy, but an excisional biopsy was eventually performed due to suspicious sonographic appearance and histopathological examination of the specimen confirmed the diagnosis. © 2017 Wiley Periodicals, Inc. J Clin Ultrasound, 2017.
February 21, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28220939/acute-diffuse-thyroid-swelling-a-rare-complication-of-fine-needle-aspiration
#10
Wai Kiu Tang, Kunwar S S Bhatia, Angel S W Pang, Anil Ahuja
We present a case illustrating the rare complication of acute generalized thyroid swelling shortly after sonographic-guided fine needle aspiration of a thyroid nodule. Ultrasound revealed the presence of characteristic linear hypoechoic avascular areas interspersed throughout the gland suggestive of edema. The patient was treated conservatively, with near complete normalization of the thyroid within 24 hours. Recognition of this potential complication is important, as the rapid onset of diffuse thyroid enlargement is often alarming but typically has a transient and self-limiting course...
February 21, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28220936/type-3-takayasu-arteritis-diagnosed-by-parvus-tardus-renal-doppler-signal-modulation
#11
Ural Koc
Takayasu's arteritis is known to cover the youngest age group in the etiology of secondary hypertension. The type 3 pattern is rare and involves the thoraco-abdominal aorta and its main abdominal branches. Here, we present the imaging results of a patient who had been followed up for systemic arterial hypertension and was diagnosed with Takayasu's arteritis type 3 by CT and MR angiography following bilateral detection of a parvus-tardus Doppler signal modulation in the renal arteries. We discuss the differential diagnoses that should be considered when observing a tardus-parvus Doppler signal...
February 21, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28198550/birth-injuries-to-growth-plates-a-sheep-in-wolves-clothing
#12
Jerrin Varghese, Matthew Teng, Mingqian Huang, Dvorah Balsam
Growth plate injuries (Salter-Harris type 1 or physeal fractures) of the long bones in the newborn are easily misdiagnosed as joint fractures with dislocations due to their nonossified epiphyses on plain radiographs. Diagnosis with musculoskeletal ultrasound (US) is advantageous due to its ability to visualize the nonossified epiphysis. We present two cases of humeral growth plate fractures in newborns, one at the shoulder (proximal humerus) and the other at the elbow (distal humerus). These cases emphasize the importance of quick and noninvasive diagnosis with US to avoid unnecessary intervention...
February 15, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28186627/value-of-three-section-contrast-enhanced-transrectal-ultrasonography-in-the-detection-of-prostate-cancer
#13
Ting-Yue Qi, Hong-Guang Sun, Nian-Fen Li, Hao Feng, Yong-Ling Ding, Xiao-Xiang Wang
BACKGROUND: To assess the efficacy of three-section contrast-enhanced transrectal ultrasonography (CETRUS) in prostate cancer (PCa) detection. METHODS: A total of 169 consecutive patients with either PSA level ≥ 4 ng/ml or abnormal digital rectal examination findings were prospectively enrolled in this single center study. All patients underwent baseline transrectal ultrasonography (TRUS) and three-section CETRUS by one investigator blinded to any clinical data before TRUS-guided transperineal biopsy...
February 10, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28186626/ultrasound-guided-dorsal-penile-nerve-block-performed-in-a-case-of-zipper-entrapment-injury
#14
Gabriel Rose, Vincent Costa, Aaran Drake, Sebastian D Siadecki, Turandot Saul
Injury to the penis resulting from zipper entrapment is a painful condition that presents a unique anesthetic challenge to the emergency physician and may even require procedural sedation for removal. In this case report, we describe successful removal of zipper entrapment from the penis of a 34-year-old patient after the application of an ultrasound-guided dorsal penile nerve block. We discuss the anatomy, sonographic features, and steps required for the nerve block procedure. © 2017 Wiley Periodicals, Inc...
February 10, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28186623/symptomatic-pelvic-accessory-spleen-in-a-female-adolescent-case-report
#15
Rene Tendler, Rola Khamise Farah, Mohamad Kais, Marwan Odeh, Jacob Bornstein
Accessory spleens are congenital foci of healthy splenic tissue that are separate from the main body of the spleen. They occur in 10-30% of individuals; a wandering accessory spleen located in the pelvis is uncommon. Most patients are asymptomatic. We describe the case of a female adolescent presenting with acute abdominal pain who had a pelvic accessory spleen that mimicked an adnexal mass. © 2017 Wiley Periodicals, Inc. J Clin Ultrasound 00:000-000, 2017.
February 10, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28186622/changes-in-echogenicity-of-hepatic-hemangiomas-during-the-valsalva-maneuver
#16
Hyung Jin Won, Pyo Nyun Kim, Jong Seok Lee
BACKGROUND: We aimed to evaluate changes in echogenicity of hepatic hemangiomas during the Valsalva maneuver. METHODS: We examined 16 liver hemangiomas in 12 patients with a mean diameter of 1.5 cm (range, 0.7-2.2 cm), which showed variations in echogenicity during the Valsalva maneuver. Two radiologists reviewed the sonographic (US) images of the hemangiomas at three different times: prior to the Valsalva maneuver, during the Valsalva maneuver, and on follow-up US examinations...
February 10, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28186621/the-importance-of-great-saphenous-vein-types-and-segmental-aplasia-in-venous-reflux
#17
Elif Evrim Ekin, Hülya Kurtul Yildiz
PURPOSE: To investigate the relationship among great saphenous vein (GSV) anatomic type, segmental aplasia, and reflux. METHODS: Color Doppler ultrasonography (CDUS) was performed on 475 legs of 277 consecutive patients with venous symptoms between November 2015 and August 2016. Exclusion criteria were previous venous surgery and venous thrombosis. Five GSV types were identified based on the saphenous compartment at thigh level, and segment aplasia and reflux were investigated...
February 10, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28186617/sonographic-evaluation-of-surgical-repair-of-uterine-cesarean-scar-defects
#18
Michal Pomorski, Tomasz Fuchs, Anna Rosner-Tenerowicz, Mariusz Zimmer
BACKGROUND: The aim of the study was to assess the clinical outcomes of surgical repair of uterine cesarean scar defects with sonography (US). METHODS: Seven nonpregnant women with history of cesarean section and a large uterine scar defect were enrolled. The surgical repair was performed by minilaparotomy. The US assessment of the uterine scar was performed using a standardized approach at baseline, then at a first visit 2-3 days following the surgical intervention (V1) and at a follow-up visit 3 months later (V2)...
February 10, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28182292/metastatic-neuroblastoma-diagnosed-on-prenatal-sonographic-examination-performed-for-decreased-fetal-movement
#19
Hector O Chapa, Steven Gywnn Geddie, Rebecca Flores
We report a case of fetal neuroblastoma presenting with massive liver metastasis diagnosed during the biophysical profile sonographic examination performed for decreased fetal movement. The patient presented at 37 weeks' gestation with limited fetal movement over 24 hours. Biophysical profile showed marked polyhydramnios and an enlarged abdomen filled with a homogeneous mass lesion suspicious for liver metastasis. Primary urgent cesarean section was performed revealing a cachectic neonate with a rigid and grossly distended abdomen...
February 9, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28182287/transthoracic-echocardiography-study-of-congenitally-corrected-transposition-of-the-great-arteries
#20
Amarjit Singh, Gurpreet Singh, Tejveer S Dhaliwal, Manpreet Singh
Congenitally corrected transposition of the great arteries (CCTGA) is a rare congenital heart defect, occurring in only 0.5% of patients exhibiting congenital heart defects. Because it is not seen in a routine transthoracic echocardiography (TTE) examination, CCTGA may be missed. The echocardiography diagnosis of CCTGA is difficult and not well explained in most textbooks. The present report provides key sonographic images that contribute to the diagnosis. In the present case, the patient had no prior history of heart disease...
February 9, 2017: Journal of Clinical Ultrasound: JCU
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