Search Results
Results 1 - 45 of 45
1
Amans Matthew R MR Department of Radiology and Biomedical Imaging, University of California; San Francisco, California, USA - - - 2014
Contrast staining of brain parenchyma identified on non-contrast CT performed after DSA in patients with acute ischemic stroke (AIS) is an incompletely understood imaging finding. We hypothesize contrast staining to be an indicator of brain injury and suspect the fate of involved parenchyma to be cerebral infarction. Seventeen years of ...
Desai Ankit - - 2014
To evaluate B-scan and computed tomographic appearance of a wooden intraocular foreign body within the posterior segment. The authors report a case of a patient with an occult retained foreign body. To identify why the object was elusive, an in vitro study was conducted using computed tomography (CT) and B-scan ...
Yusuf Gibran T GT King's College London, Department of Radiology, King's College Hospital, Denmark Hill, London, SE5 9RS, - - 2013
Cortical necrosis is an uncommon cause of renal impairment and is rarely a consequence of blunt abdominal trauma. We present a case of unilateral traumatic acute cortical necrosis in a child demonstrated on contrast-enhanced US with confirmation on MRI. Contrast-enhanced US provides a rapid, accurate evaluation of renal parenchyma abnormalities ...
Inoue Kentaro - - 2013
Sarcoidosis or sarcoid reactions, which appear as FDG-avid lesions in oncologic patients, need to be differentiated from disseminated malignancies. We aimed to promote awareness of development of sarcoidosis or sarcoid reactions after antineoplastic therapy to avoid diagnostic errors with FDG-PET/CT findings and assess the utility of FDG-PET/CT for follow-up. We ...
Tijssen M P M - - 2013
To assess the feasibility of dual energy computed tomography (DE-CT) in intra-arterially treated acute ischaemic stroke patients to discriminate between contrast extravasation and intracerebral haemorrhage. Thirty consecutive acute ischaemic stroke patients following intra-arterial treatment were examined with DE-CT. Simultaneous imaging at 80 kV and 140 kV was employed with calculation of mixed ...
Zhu Zhenghua - - 2013
Esophageal foreign bodies can be a danger to a patient's life. Flexible or rigid endoscopy is a commonly used type of invasive investigation for these, and radiological examinations are also useful. Series of reports. Multi-slice spiral CT (MSCT) can confirm and locate most foreign bodies. Dual source CT (DSCT) is ...
Wu Qingwu - - 2013
We performed a meta-analysis to investigate and compare diagnostic performance of whole-body MRI and skeletal scintigraphy for detection of bone metastatic tumors. PubMed and Embase were searched for relevant articles. We calculated sensitivities, specificities, diagnostic odds ratios (DOR), positive likelihood ratios (PLR), negative likelihood ratios (NLR), and constructed summary receiver ...
Le Stephanie T - - 2013
The authors present a case of F-FDG-avid granulomatous reaction induced by fireworks injury of the chest wall in a patient with esophageal adenocarcinoma. This hypermetabolic lesion, involving the right pectoralis muscles, appeared slightly more prominent on restaging PET/CT imaging following chemotherapy and radiation therapy. Excisional biopsy of the lesion established ...
Drescher Robert - - 2013
PET/CT is an established modality for evaluation of malignant disease. However, in many cases, specificity is impaired by false-positive findings. Recognition of these cases is crucial for correct diagnosis and subsequent patient management. In the presented case, malignant disease was suspected in a young man because of a history of ...
Shiraev Timothy - - 2013
The retention of foreign bodies after surgery is rare, but carries significant morbidity and mortality as well as financial and legal implications. Such retained items cause a foreign-body reaction, which in the case of cotton-based materials are called gossypibomas. We present the case of an 84-year-old woman with a pseudotumor ...
Nie Shihuai S State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, - - 2013
To analyze the sensitivity and specificity of X-ray, B-ultrasound, and CT scan in diagnosing ocular foreign bodies, and to compare the accuracy of these three imaging tools in locating these foreign bodies. A retrospective review was conducted of radiographic and clinical eye examination data from 62 patients (66 eyes), suspected ...
Jain Vishal Kumar - - 2013
Anomalous preduodenal portal vein is a rare abdominal vascular variant; even rarer is the prepancreatic postduodenal position. We report an anomalous portal vein positioned in between duodenum and pancreatic head detected on contrast enhanced computed tomography. Awareness and accurate radiological interpretation of this unique and rare vascular pattern can prevent ...
Nunoi Hiroaki - - 2013
Portal biliopathy is a morphological abnormality of the biliary ductal and gallbladder wall associated with portal hypertension. A patient with essential thrombocythemia was initially diagnosed with extrahepatic portal vein obstruction (EHPVO). The contrast-enhanced computed tomography (CT) findings were similar to those of cholangiocarcinoma or sclerosing cholangitis. However, color Doppler and ...
Alsaid Youssef - - 2013
We report a 9-year-old boy with acute lymphoblastic leukemia (ALL) in high-risk group who suffered from left sided focal seizures and ipsilateral hemiparesis during his induction with Asparaginase chemotherapy. Superior sagittal sinus thrombosis and right frontal hemorrhage were demonstrated on brain magnetic resonance imaging (MRI) scans . Anticoagulation was initiated ...
Jin Ning - - 2013
Pleural effusion is commonly seen associated with pneumonia. When this progresses to empyema, directed therapy is frequently required. Chest radiographic and computed tomography findings can help distinguish empyema from a transudative pleural effusion.
Godar Mohit M Department of Radiology, The Second Hospital of Jilin University, Norman Bethune College of Medicine, 218 Ziqiang Street, Nanguan District, Changchun, Jilin 130041, - - 2013
We report a case of mixed capillary venous hemangioma of the retroperitoneum in a 61-year-old man. Abdominal ultrasonography showed a mass to be hypoechoic with increased flow in color Doppler imaging. Dynamic contrast-enhanced computed tomography revealed a centripetal filling-in of the mass, located anterior to the left psoas muscle at ...
Otjen Jeffrey P - - 2012
Foreign body ingestion is a common problem in the pediatric population and a frequent cause for emergency room visits. Magnets are common household objects that when ingested can bring about severe, possibly fatal gastrointestinal complications. Radiography is an integral component of the management of these children. Pediatric and emergency radiologists ...
Whitty Cc - - 2012
Abstract CASE HISTORY: A 13 kg 3.5-year-old male neutered Cocker Spaniel presented with a 6-day history of deteriorating hindlimb paresis. Approximately 10 weeks previously the owner reported removing a large number of barley grass seeds from the dog's coat and ears. Eight weeks later the dog was treated for pneumonia, based ...
Wu Yu-Chin - - 2012
ABSTRACT: A 25-year-old woman had carcinosarcoma of uterine cervix after definitive treatment. One year later, local recurrent disease was found in the right posterior pelvis on FDG PET/CT. FDG PET/CT also disclosed an incidental intramural hypermetabolic lesion in the rectum, which seemed separate from the right pelvic lesion on contrast-enhanced ...
Saveraid Travis C - - 2012
The use of intravenous gadolinium contrast during equine magnetic resonance imaging (MRI) is a new technique that has been infrequently used in clinical imaging. This article describes the development of an effective contrast dose and the use of gadolinium contrast in clinical equine MRI. Gadolinium contrast improves lesion conspicuity across ...
Pinto Antonio - - 2012
Intraorbital foreign bodies (IOFBs) are a common occurrence worldwide and happen at a frequency of once in every 6 cases of orbital trauma. An orbital foreign body may produce a variety of signs and symptoms related to its size, composition, and ballistics. Retained foreign bodies may give rise to cellulitis, ...
Wooten Kimberly E - - 2012
Most foreign bodies that a child ingests pass harmlessly through the gastrointestinal tract. However, ingesting multiple magnets places a child at risk for serious viscus injury. Case Description: A 16-y-old boy swallowed multiple magnets and presented with abdominal pain and emesis. Upon laparoscopy, the boy was found to have malrotation ...
Ferré Jean-Christophe - - 2012
This article presents an overview of advanced magnetic resonance (MR) imaging techniques using contrast media in neuroimaging, focusing on T2*-weighted dynamic susceptibility contrast MR imaging and T1-weighted dynamic contrast-enhanced MR imaging. Image acquisition and data processing methods and their clinical application in brain tumors, stroke, dementia, and multiple sclerosis are ...
Kang Kyung-Wook - - 2012
Migraine has been found to be associated with patent foramen ovale. However, in practice, it is difficult to show that microemboli via patent foramen ovale can induce a migraine attack. Our patient showed transient sulcal hyperintensities on fluid-attenuated inversion recovery images during a migraine attack. This supports the hypothesis that ...
Marinković Slobodan - - 2012
The radiologic aesthetics of some body parts and internal organs have inspired certain artists to create specific works of art. Our aim was to describe the link between radiology and fine art. We explored 13,625 artworks in the literature produced by 2049 artists and found several thousand photographs in an ...
Van Biervliet S S Department of Paediatric gastroenterology, Ghent University Hospital, Belgium. - - 2012
The paediatric population aged 1-3 years represents about 80% of patients presenting with foreign body ingestion. Only 10 to 20% of ingested foreign bodies will fail to pass through the entire gastrointestinal tract. The decision to remove them is based on location, size and nature of the foreign body. In ...
Zinser Max J - - 2012
We present a virtual planning protocol incorporating a patented 3-surgical splint technique for orthognathic surgery. The purpose of this investigation was to demonstrate the feasibility and validity of the method in vivo. The protocol consisted of (1) computed tomography (CT) or cone-beam computed tomography (CBCT) maxillofacial imaging, optical scan of ...
Yeddula Kalpana - - 2012
In patients with a patent foramen ovale, use of air filters during intravenous infusions is common, but they are not compatible with power injection. Therefore we aimed to assess the incidence of paradoxical air embolism on CT of the chest and brain following contrast material injection through a power injector ...
Bosemani Thangamadhan - - 2012
Infantile hepatic hemangioma is the most common benign liver tumor during infancy. Prompt diagnosis and timely institution of therapy are of utmost importance. Magnetic resonance imaging (MRI) plays a key role in the correct diagnosis and monitoring of treatment. We report on a 15-week-old girl with multifocal infantile hemangiomas of ...
Law Susan - - 2012
We report a case of probable contrast-induced neurotoxicity that followed a technically challenging cardiac catheterization in a 69-year-old woman. The procedure had involved the administration of a large cumulative dose of an iodinated, nonionic contrast medium into the innominate artery: twelve hours following the catheterization, the patient developed a seizure ...
Shahnazi Makhtoom - - 2011
Body packing is described as using the abdominal or pelvic cavity for concealing illegal drugs. Leakage from the packets may cause catastrophic effects on smugglers and medical history is not reliable in these patients. Moreover, new sophisticated smuggling techniques make it imperative that radiologists and emergency physicians understand and familiarize ...
Sattar Abdul - - 2011
To evaluate the diagnostic value of chest X-Ray in tracheobronchial foreign body aspiration among group of children in southern Punjab. The Cross sectional/comparative diagnostic procedural study was conducted in the Department of Radiology, Nishtar Medical College and Children Hospital Complex. Multan from January 2009-January 2011. Chest CT was performed in ...
Whitaker May - - 2011
BACKGROUND AND PURPOSE: HDR brachytherapy is used as a conformal boost for treating prostate cancer. Given the large doses delivered, it is critical that the volume treated matches that planned. Our outpatient protocol comprises two 9Gy fractions, two weeks apart. We prospectively assessed catheter displacement between CT planning and treatment ...
Kim Jeong-Eun - - 2011
We report a case of a 59-year-old man with testicular germ cell tumor who showed new hypermetabolic lesions at the left axillary lymph nodes on a post-treatment positron emission tomography-computed tomography (PET-CT) scan. The hypermetabolic lesions were found to be caused by an influenza vaccination 10 days prior to the ...
Leblanc E - - 2011
PURPOSE: Patients with locally advanced cervical cancer (LACC) are usually treated with concurrent chemoradiotherapy. Extended-field chemoradiotherapy is indicated in case of para-aortic node involvement at initial assessment. 18-Fluoro-2-deoxy-D: -glucose positron emission tomography/computed tomography (18-FDG PET/CT) is currently considered to be the most accurate method of detection of node or distant ...
Kim Hyung Jun - - 2011
We report a case of syphilis with pulmonary involvement. Chest CT scan and (18)F-fluorodeoxyglucose (FDG) PET/CT showed multiple pulmonary nodules mimicking pulmonary hematogenous metastases. This was confirmed on follow-up images that showed therapeutic response to penicillin.
Dalton J - - 2011
Mandibular para-radicular third molar radiolucencies (MPRs) were first described in 2004 by Bohay et al (Bohay RN, Mara TW, Sawula KW, Lapointe HJ. A preliminary radiographic study of mandibular para-radicular third molar radiolucencies. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2004; 98: 97-101) as a well-defined oval radiolucency ...
Bex A - - 2011
To apply single-photon emission computed tomography (SPECT) in combination with computed tomography (CT) for preoperative identification of sentinel lymph nodes (SNs) and to investigate surgical feasibility and safety of intraoperative sampling. A retrospective combined interim analysis of 20 patients from two prospective trials who underwent injection of 99mTc-nanocolloid into the ...
Ramirez Pedro T - - 2011
Failure to detect metastasis to para-aortic nodes in patients with locally advanced cervical cancer leads to suboptimal treatment. No previous studies have prospectively compared positron emission tomography (PET)/computed tomography (CT) with laparoscopic extraperitoneal staging in the evaluation of para-aortic lymph nodes. Sixty-five patients were enrolled; 60 were available for analysis. ...
Ramirez Pedro T - - 2010
BACKGROUND:: Failure to detect metastasis to para-aortic nodes in patients with locally advanced cervical cancer leads to suboptimal treatment. No previous studies have prospectively compared positron emission tomography (PET)/computed tomography (CT) with laparoscopic extraperitoneal staging in the evaluation of para-aortic lymph nodes. METHODS:: Sixty-five patients were enrolled; 60 were available ...
Shim Dae Moo - - 2010
A 24-year-old man with tuberculosis meningitis developed acute paraplegia and sensory disturbances 5 weeks after receiving conventional antituberculous therapy. Magnetic resonance imaging revealed an intradural extramedullary long segmental mass mimicking en plaque meningioma at the T2-T6 vertebrae levels. Prompt surgical decompression was performed. A histology examination of the mass revealed ...
Tokudome Yoshihiro - - 2009
BACKGROUND: Since the internal structure of a tablet can be measured without destruction of the sample by X-ray computed tomography (CT), it could be applied to quality control of tablets during the manufacturing process. AIM: A novel, fast, noninvasive tablet observation method was developed to evaluate the internal structure of ...
Sander Kerstin - - 2009
Leider ist uns in der Ausgabe 6/2008 "Antitussiva/Expektorantien" in dem Artikel "Medizinisch-chemische Aspekte - Antitussiva und Expektorantien" in Abb. 2, Seite 463, ein Formelfehler unterlaufen. Die Abbildung enthält die Struktur von Levomethorphan statt der des beschriebenen antitussiven Dextromethorphans. Zur Sicherheit haben wir beide Strukturen hier nochmals aufgeführt (Abb.).Die Autoren.
Wang Zhigang - - 2009
During curative cancer surgery, magnetic retraction could offer advantages over retraction by graspers because of reduced tissue trauma and with the potential for noncontact retraction. To realize magnetic retraction, magnetic fluid was injected into harvested porcine stomachs and an external permanent magnet was used to retract the ferromagnetized tissue. The ...
Cherry W B - - 1973
The standardization of diagnostic immunofluorescence is a complex problem because diagnostic results are greatly influenced by interacting factors, such as the equipment, materials, and techniques for expressing and recording fluorescence. Furthermore, the characteristics of immunofluorescence reagents depend on how they are manufactured and used. The adoption of stable reference preparations ...
1