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Qiu DA-Sheng DS Department of Positron Emission Tomography/Computed Tomograpy, Hubei Cancer Hospital, Wuhan, Hubei 430079, P.R. - - 2014
Renal metastasis of a submandibular gland adenoid cystic carcinoma is clinically rare when it presents with an atypical imaging appearance of singular renal metastases. Whole-body positron emission tomography (PET)/computed tomography (CT) can determine whether the singular renal mass is benign or malignant and identify metastases in other parts of the ...
Ozguven Salih S From the Department of Nuclear Medicine, Marmara University School of Medicine, Istanbul, - - 2014
Although malignant mesothelioma originating from the tunica vaginalis has been reported in the literature, direct invasion of malignant peritoneal mesothelioma to the scrotal cavity has not been described yet. Herein, we presented a diffuse malignant peritoneal mesothelioma extending inferiorly to the scrotum via inguinal canal detected on FDG PET/CT.
Fidler Jeff L JL 1 Department of Radiology, Mayo Clinic, 200 First St SW, Rochester, MN - - 2014
OBJECTIVE. The purpose of this study was to determine the prevalence of nonpolypoid adenomas and the sensitivity of CT colonography (CTC) in their detection by use of the restricted criteria of height-to-width ratio < 50% and height elevation ≤ 3 mm. MATERIALS AND METHODS. In the National CT Colonography Trial ...
Zhu Liuhong L Radiology Department, Xiamen Second Hospital, Xiamen, Fujian, PR - - 2014
The performance of diffusion-weighted imaging parameters for characterizing hepatic tumors is controversial. To compare the performances of apparent diffusion coefficient (ADC) and intravoxel incoherent motion (IVIM)-derived parameters, including the pure diffusion coefficient (D), perfusion coefficient (D*), and perfusion fraction (f), in the characterization of common solid hepatic tumors. Twelve healthy ...
Altay Canan C Department of Radiology, Faculty of Medicine, Dokuz Eylul University, Mithatpa┼ča Cad. Inciralti, 35340, Izmir, Turkey, - - 2014
Xanthogranulomatous inflammation (XGI) is a rare chronic inflammatory condition most commonly involving the kidneys and gallbladder. The condition is histopathologically characterized by the presence of foamy histiocytes, lymphocytes, and plasma cells. A few reports describing appendicitis caused by XGI have appeared in the English-language literature. However, no study has yet ...
Vouche Michael M Section of Interventional Radiology and Division of Interventional Oncology, Department of Radiology, Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, USA, - - 2014
Aim: To compare changes in RECIST, anatomical volume, mRECIST, and volumetric diffusion-weighted Imaging parameters (3D apparent diffusion coefficient (ADC) measurements), with pathological analysis of hepatocellular carcinoma (HCC) treated by (90)Yttrium radioembolization (Y90). Methods: 21 patients were treated by Y90 as a sole treatment modality for solitary, >2 cm HCC that underwent ...
Imre Abdulkadir A Department of Otorhinolaryngology, Izmir Katip Celebi University Ataturk Training and Research Hospital, Izmir, Turkey - - 2014
This study evaluated the diagnostic value of magnetic resonance imaging (MRI) and computed tomography (CT) in prevertebral space invasion in patients with head and neck squamous cell carcinomas (HNSCC). This study retrospectively reviewed 197 patients with advanced primary laryngeal or hypopharyngeal carcinoma who underwent laryngectomy and neck dissection at our ...
Andersson Mats M Department of Radiology, Sahlgrenska University Hospital and Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden - - 2014
When performing percutaneous radiofrequency ablation (RFA) of small renal masses (SRM), use of optimized periprocedural image guidance is essential to secure curative outcome of the treatment. To retrospectively compare the short-term radiological and clinical outcomes of RFA under combined ultrasound (US) and computed tomography (CT) guidance with that of a ...
Tang Yanlong - - 2014
We sought to determine the comparative diagnostic performance of standard b-value (800-1000 s/mm2) versus low b-value (400-500 s/mm2) diffusion-weighted magnetic resonance imaging (DW-MRI) in the detection of renal cell carcinoma (RCC). After a systematic review of the available literature, studies were included that reported b-values, used a histopathological reference standard, ...
Waage Jo Erling Riise JE Haukeland University Hospital, Department of Surgery, Bergen, Norway; Department of Clinical Medicine, University of Bergen, - - 2014
Strain elastography is a method for recording tissue hardness. Strain in different areas may be compared using strain ratio (SR). The aims of this study were to validate a previously proposed SR cut-off value of 1.25 for differentiating adenocarcinomas from adenomas and to compare the performance of endorectal ultrasonography (ERUS), ...
Nguyen Ba D BD Department of Radiology, Mayo Clinic, Scottsdale, - - 2014
A 57-year old woman, with no prior significant disease, presented with a 12-month progressive 60-pound weight loss. CT and MR imaging showed numerous hepatic and splenic lesions, more conspicuous on MR due to its different sequences (Figure 1). Tissue sampling initially identified these lesions as benign inflammatory pseudotumors. This article ...
Kirberger Robert M RM Department of Companion Animal Clinical Studies, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort, 0110, Republic of South - - 2014
Neoplastic transformation of Spirocerca lupi induced esophageal nodules carries a poor prognosis. Clinical, clinicopathological, endoscopic, and radiographic characteristics may be indicative of neoplastic transformation but variable sensitivity and specificity of these parameters makes their use questionable. We hypothesized that CT would be a better diagnostic modality to discriminate between non-neoplastic ...
Kong Eun-Jung EJ Department of Nuclear Medicine, College of Medicine, Yeungnam University, 317-1 Daemyeong 5-dong, Nam-gu, Daegu 705-717, Republic of Korea. - - 2014
The purpose of this study was to evaluate the feasibility of integrated fluorine-18-fluorodeoxyglucose positron emission tomography/magnetic resonance ((18)F-FDG PET/MR) mammography in invasive ductal carcinoma (IDC) patients. From August 2012 to March 2013, we enrolled 42 consecutive breast cancer patients who received whole- body PET/MR and subsequent PET/MR mammography by an ...
Li Han H Department of Chemistry and Key Laboratory of Advanced Energy Materials Chemistry (MOE), Nankai University, Tianjin 300071, P. R. - - 2014
Two remarkable pentanuclear 3d-4f clusters of Ln3Fe2 were synthesized and structurally characterized. Magnetic studies indicate that Gd3Fe2 possesses the significant magnetic entropy change (-ΔSm) of 31.7 J kg(-1) K(-1) and slow magnetic relaxation is observed in the anisotropic Dy-analogue.
Gu Quanquan Q 1Department of Radiology,the Second Affiliated Hospital,Zhejiang University School of - - 2014
ABSTRACT Background: Patients with the postural instability and gait difficulty (PIGD) subtype of Parkinson disease (PD) are at a higher risk of dysfunction and are less responsive to dopamine replacement therapy. The PIGD subtype was found to largely associate with white matter lesions, but details of the diffusion changes within ...
Huang Zhaoqin Z Radiology Department, Provincial Hospital Affiliated to Shandong University, Jingwu Road 324#, Jinan City, 250021, Shandong Province, - - 2014
The aim of this paper was to investigate the correlations between magnetic resonance imaging (MRI) features and vascular endothelial growth factor (VEGF) in hepatocellular carcinoma (HCC). Thirty-six patients with HCC included in this study underwent dynamic contrast-enhanced MR imaging and diffusion-weighted MR imaging. Signal intensity characteristics of HCCs were reviewed ...
Saba Luca L aDepartment of Radiology, Azienda Ospedaliero Universitaria (A.O.U.), di Cagliari - Polo di Monserrato, Cagliari bDepartments of Radiological Sciences, University of Rome La Sapienza cDepartments of Radiological Sciences, Oncology, and Pathology, University of Rome Sapienza-Polo Pontino, Rome, - - 2014
The aim of this study was to evaluate and compare the diagnostic confidence of multiphase computed tomography (CT) and magnetic resonance (MR) after administration of gadolinium-ethoxybenzyl-diethylenetriamine penta-acetic acid (Gd-EOB-DTPA) in the diagnosis of malignant-benign neoplasm of the liver in operators with different levels of experience. Forty patients underwent multiphase CT ...
Ito Kimiteru K aDepartment of Radiology, Division of Nuclear Medicine, National Center for Global Health and Medicine bDepartment of Otolaryngology, Head and Neck Surgery, Juntendo University School of Medicine cResearch Team for Neuroimaging, Tokyo Metropolitan Institute of Gerontology dDepartment of Diagnostic Radiology, Tokyo Metropolitan Geriatric Hospital, Tokyo, - - 2014
We prospectively compared the diagnostic value of PET/computed tomography (CT) findings using the tracers 4'-[methyl-C]-thiothymidine (C-4DST) and 2-deoxy-2-F-fluoro-D-glucose (F-FDG) in patients with head and neck squamous cell carcinoma (HNSCC). Thirty-eight patients with advanced HNSCC underwent C-4DST PET/CT and F-FDG PET/CT before treatment. Maximum standardized uptake values (SUVmax) were measured for ...
Ozkan Zeynep G ZG Departments of aNuclear Medicine bInternal Medicine, Endocrinology and Metabolism Division cDepartment of Biostatistics and Medical Informatics, Istanbul Medical Faculty, Istanbul University, Istanbul, - - 2014
We aimed to compare the efficacies of gallium-68 (Ga) DOTATATE PET-computed tomography (CT), fluorine-18 fluorodeoxyglucose (F-FDG) PET-CT and technetium-99m (Tc)-(V)DMSA scintigraphy in the detection of residual/metastatic medullary thyroid carcinoma (MTC). We retrospectively evaluated DOTATATE PET-CT, F-FDG PET-CT and (V)DMSA scintigraphy of 22 MTC patients, all taken within a 6-month period ...
Ma Cong C Department of Radiology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, P.R. - - 2014
The present study aimed to evaluate the radiological and pathological features of intracranial hemangiopericytoma, and improve the understanding of this tumor. A retrospective analysis of radiological and pathological features of five cases of intracranial hemangiopericytoma was conducted between 2006 and 2012 in the Second Xiangya Hospital of Central South University. ...
Hu Rong R Departments of Ultrasonography (R.H., H.X., Y.F., L.G., H.L.) and Echocardiography (Y.M.), First Affiliated Hospital of Xinjiang Medical University, Urumqi, - - 2014
The purpose of this study was to evaluate the efficacy of the combination of 2-dimensional (2D) and 3-dimensional (3D) contrast-enhanced sonography in discriminating between benign and malignant small adnexal masses. Selected patients were evaluated with both 2D and 3D contrast-enhanced sonography after conventional sonography before undergoing any surgery. Time-intensity curves ...
Hoang Jenny K JK 1 Division of Neuroradiology, Department of Radiology, Duke University Medical Center, Box 3808, Erwin Rd, Durham, NC - - 2014
OBJECTIVE. The purpose of this study was to define baseline variability of apparent diffusion coefficient (ADC) on diffusion-weighted MR imaging (DWI) in patients with head and neck squamous cell carcinoma (HNSCC) and to compare it with early treatment-induced ADC change. SUBJECTS AND METHODS. Patients with American Joint Committee on Cancer ...
Jang Kyung Mi KM 1 Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Ilwon-dong, Gangnam-gu, Seoul 135-710, - - 2014
OBJECTIVE. The purpose of this study was to evaluate whether the use of diffusion-weighted MRI (DWI) increases diagnostic accuracy in the differentiation of malignant from benign intraductal papillary mucinous neoplasms (IPMNs) of the pancreas over the accuracy of contrast-enhanced MRI with MRCP. MATERIALS AND METHODS. A total of 61 patients ...
Hegde Vinay V Department of Neuroimaging and Interventional Radiology, National Institute of Mental Health and Neurosciences, Hosur Road, Bangalore, 560029, Karnataka, - - 2014
CNS dengue infection is a rare condition and the pattern of brain involvement has not been well described. We report the MR imaging (MRI) features in eight cases of dengue encephalitis. We retrospectively searched cases of dengue encephalitis in which imaging was performed. Eight cases (three men, five women; age range: 8-42 years) ...
Sesti Alma A Department of Biomedical Imaging and Image-guided Therapy, Division of Nuclear Medicine, Medical University of Vienna, Vienna, - - 2014
The American thyroid association (ATA) recommends that additional imaging procedures supplement cervical ultrasonography (US) in any patient with a basal calcitonin value above 150 pg/ml in the follow-up of medullary thyroid carcinoma (MTC). The aim of the present study was to reaffirm or challenge this cut-off for 18-Fluorine-Fluorodihydroxyphenylalanine positron emission ...
Kikuchi Mariko M Department of Surgery, Kitasato University School of Medicine, Kanagawa, - - 2014
With the recent rise in mammography (MMG) screenings there has been an increase in the identification of microcalcifications without lump. Therefore, a vacuum-assisted needle biopsy under stereotactic guidance (ST-MTB) is frequently performed for diagnosis. However, ST-MTB is a highly invasive examination. In this study, we investigated the effectiveness of utilizing ...
Anakal Manjunath Ganesh MG Department of Endocrinology, M. S. Ramaiah Medical College, Bengaluru, Karnataka, - - 2014
Insulinomas are usually solitary; benign and encapsulated small lesions and majority of them measure <2 cm in diameter. They pose a challenge for pre-operative localization. Definitive treatment is surgical excision of the tumor. Intra-operative ultrasonography (IOUS), transhepatic portal venous sampling (THPVS) and positron emission tomography (PET) scan can be done ...
Oji Fumie - - 2014
Along with the increase in regularly scheduled pulmonary check-ups, there has also been an increase in the detection of nodules smaller than 20 mm. The differentiation of benign or malignant nodules is reportedly facilitated by adding contrast-enhanced MRI to high-resolution CT. However, there are few studies on peripheral pulmonary nodules ...
Li Lin L Department of Imaging Diagnosis, Cancer Hospital & Institute, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing 100021, - - 2014
The incidence of thyroid cancer has been increasing. Our aim was to evaluate the efficacy of low-dose dual-phase helical computed tomography (CT) in the characterization of thyroid lesions, and to discuss the relationship between image characteristics and their pathology. One hundred and six patients with thyroid lesions underwent low-dose dual-phase ...
Bhogal Pervinder P Department of Neuroradiology, The Karolinska University Hospital, Stockholm, - - 2014
We report a rare case of an encephalopathic presentation of a posterior fossa dural arteriovenous fistula with concomitant florid symmetrical bithalamic free diffusivity changes on MRI in a previously healthy individual. We describe the structural and functional imaging findings and the role of catheter angiography in diagnosis, prognostication and the ...
Hwang Jae Pil JP Department of Radiology, Soonchunhyang University Hospital, 657, Hannam-dong, Yongsan-gu, Seoul, 140-743, South - - 2014
The aim of this study was to evaluate the potential usefulness of (18)F-FDG PET/CT for detecting colorectal carcinoma and adenoma in asymptomatic adults. 614 subjects were enrolled in this retrospective study. They underwent both (18)F-FDG PET/CT and colonoscopy in the same day as part of a cancer-screening program. Small focal ...
Zhang Li-Ming LM Departments of *Gastroenterology, and †Radiology, Peking University People's Hospital, Beijing, - - 2014
The current study used exploration during radical resection, which reveals the vascular lesion directly, as a criterion standard to evaluate and compare sonography and computed tomography (CT) diagnosis. A total of 70 patients (47 men and 23 women) with Budd-Chiari syndrome who underwent radical resection at Peking University People's Hospital ...
Santos Pedro P Department of Radiology, Hospital de Santa Maria, Lisbon, Portugal. - - 2014
Uterine sarcomas are a rare heterogeneous group of tumors of mesenchymal origin, accounting for approximately 8% of uterine malignancies. They comprise leiomyosarcoma, endometrial stromal sarcoma, undifferentiated endometrial sarcoma, and adenosarcoma. Compared with the more common endometrial carcinomas, uterine sarcomas behave more aggressively and are associated with a poorer prognosis. Due ...
Shen Guohua G Department of Nuclear Medicine, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, Sichuan (610041), People's Republic of - - 2014
Objective: We performed this meta-analysis to comprehensively assess the diagnostic performance of PET or PET/CT (positron emission tomography/ computed tomography) for detecting lymph node and distant metastases in patients with nasopharyngeal carcinoma (NPC). Methods: Through a search of four English databases and three Chinese databases (January 1990 to June 2013), ...
Wu Xiao Feng XF Department of Radiology, the First Affiliated Hospital, Chongqing Medical University, 1 yixueyuan road, Yuzhou distract, Chongqing, 400016, - - 2014
Background: Ectopic pituitary adenoma (EPA) was first described by Erdheim in 1909, about 100 cases had been reported in literature, to the best of our knowledge, an EPA located in the parapharyngeal space has not been reported thus far. Method A 59-year old female presenting with a neck lump, which ...
Ueda Issei I Department of Radiology, University of Occupational and Environmental Health School of - - 2014
We experienced a rare case of gallbladder metastasis from renal cell carcinoma (RCC). Ultrasound, computed tomographic, and magnetic resonance findings showed a hypervascular polypoid mass and correlated well with histopathologic findings. The mass showed high intensity on diffusion-weighted images, and the apparent diffusion coefficient was relatively low. These imaging findings ...
Kaufmann Sascha S Department of Radiology, Diagnostic and Interventional Radiology, Eberhard-Karls-University, Tübingen, Germany - - 2014
Diagnosis of malignant portal vein infiltration and especially differentiation from bland thrombosis is challenging for most imaging techniques. The use of contrast-enhanced real-time modern imaging modalities like contrast-enhanced ultrasound (CEUS), volume perfusion CT (VPCT), or dynamic contrast-enhanced MRI (DCE-MRI) with dedicated postprocessing tools provides additional support in difficult cases and ...
Amini Behrang B Department of Diagnostic Radiology, The University of Texas M.D. Anderson Cancer Center, Houston, - - 2014
Imaging plays an important role in the diagnosis, biopsy, staging, and follow-up of patients with soft tissue sarcomas. General principles of imaging diagnosis of soft-tissue sarcomas using radiography, ultrasound, CT, MRI, and PET/CT will be discussed, with emphasis on the role of location, internal fat and calcification, presence of myxoid ...
Zheng Wanwei W From the *Department of Digestive Diseases, †PET Center, and ‡Department of Pathology, Huashan Hospital, Fudan University, Shanghai, - - 2014
A 22-year-old man underwent an FDG PET/CT scan to evaluate possible malignancy due to melena and fever for 1 month. The images demonstrated intense FDG activity with an SUVmax of 24.6 in a large mass in the fundus of the stomach. Gastric malignant fibrous histiocytoma was histopathologically confirmed. Malignant fibrous ...
Salati U U Tallaght Hospital, Dublin 24, Ireland, - - 2014
A retrospective analysis of oesophageal thickening diagnosed as an incidental finding at Computed Tomography (CT) with endoscopic and histological correlation. Retrospective review of CT studies at a University Teaching Hospital in a 3-month period was performed and those who had a correlating upper gastrointestinal endoscopy within 6 months of the CT ...
Shirai Toshiharu - - 2014
Primary pulmonary synovial sarcoma (PPSS) is rare. We describe a case of PPSS complicated by tibial adamantinoma that required differentiation from lung metastasis. A 39-year-old Japanese woman presented with hemoptysis, dyspnea, and a well-defined tumor measuring 3.0 cm in greatest diameter in the right lower lobe on chest computed tomography ...
Magrath George N GN Storm Eye Institute , Charleston, South Carolina , USA - - 2014
Abstract Orbital metastases can masquerade as other orbital processes. We present two cases of orbital metastases, the first being the first reported adenocarcinoma of the esophagus presenting as an orbital metastasis prior to the primary being known, and the other as the first urothelial carcinoma to present as orbital cellulitis. ...
Pottecher Pierre P Département de Radiologie et Imagerie Diagnostique et interventionnelle, CHU Dijon Bocage Central, Dijon, France, - - 2014
To describe all the CT findings after in situ contrast injection just before steroid injection and to recognize the abnormal aspects associated with intravascular contamination. We retrospectively evaluated 248 cervical transforaminal steroid injections done at the university hospital in Dijon, France, in 2008-2012, to treat cervicobrachial neuralgia inadequately improved by ...
Patel Shirali S Department of HPB Surgery, Methodist Dallas Medical Center, 221 West Colorado Blvd, Pavilion 2, Suite 933, Dallas, TX, 75208, - - 2014
Accurate detection of colorectal liver metastasis is paramount in the role of management. This study aims to compare magnetic resonance imaging (MRI) with gadoxetate disodium (a hepatocyte-specific agent-Eovist®) to triple-phase enhanced computed tomography in detecting colorectal liver metastases. A retrospective chart analysis of 30 patients from 2011 to 2013 with ...
Lim Dae Ro DR Section of Colon and Rectal Surgery, Department of Surgery, Yonsei University College of Medicine , Seoul, South Korea - - 2014
Abstract Background: Actinomycosis is a chronic granulomatous infection characterized by variable presentations, including disease states that can mimic neoplastic disease. A case is presented of actinomycosis that resembled metastatic carcinoma of the ovary. Methods: Case report and review of pertinent English-language literature. Case Report: A 52-year-old female presented with a ...
Sasaki Motoko M Department of Human Pathology, Kanazawa University Graduate School of Medical Sciences, - - 2014
We characterized serum amyloid A (SAA)-positive hepatocellular neoplasm/nodules arising in alcoholic cirrhosis, which is detected as a hypervascular hepatocellular nodules resembling hepatocellular carcinoma on imaging. Fifty-three hepatocellular nodules were examined using immunostaining for SAA, glutamine synthetase and glypican-3 in 23 patients (4 women and 19 men) with alcoholic cirrhosis. Sixteen ...
Maass A A 1] Institute of Cognitive Neurology and Dementia Research, Otto-von-Guericke University Magdeburg, Magdeburg, Germany [2] German Center for Neurodegenerative Diseases (DZNE) Site, Magdeburg, - - 2014
Aerobic exercise in young adults can induce vascular plasticity in the hippocampus, a critical region for recall and recognition memory. In a mechanistic proof-of-concept intervention over 3 months, we investigated whether healthy older adults (60-77 years) also show such plasticity. Regional cerebral blood flow (rCBF) and volume (rCBV) were measured ...
Fujii Takaaki - - 2014
Schwannoma is a tumor that develops on peripheral nerves or spinal roots. Although any part of the body can be affected, axillar and supraclavicular lesions are unusual for schwannoma. We report two cases of schwannoma arising in the brachial plexus, which were detected by 18 F-fluorodeoxyglucose positron emission tomography and ...
Kaniuka-Jakubowska Sonia S Department of Endocrinology and Internal Medicine, Medical University of Gdansk, Gdansk, - - 2014
Ultrasound is nowadays a method of choice for thyroid volume assessment. However, its disadvantage is some inaccuracy, which is said to be higher in huge, especially substernally extended goitres. The aim of the study was to compare the US and CT thyroid volumetric measurements: multi-observers (CT MO) and one-observer (CT ...
Scollan K F KF Department of Clinical Sciences, College of Veterinary Medicine, Oregon State University, Corvallis, - - 2014
Contrast-enhanced multidetector computed tomography (MDCT) allows high spatial and temporal resolution imaging of cardiac, thoracic, and abdominal structures. Accurate determination of the cause of pericardial effusion (PE) is essential to providing appropriate treatment and prognosis. Echocardiography and pericardial fluid analysis may not differentiate between causes of PE and cannot identify ...
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