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chest AND MRI

Sanjay Gambhir, Mritunjai Kumar, Mudalsha Ravina, Sanjeev Kumar Bhoi, Jayantee Kalita, U K Misra
OBJECTIVE: To study the role of (18)fluoro-deoxy glucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) scan in documenting the disease burden in patients with tuberculous meningitis (TBM), and compare these findings with conventional imaging and magnetic resonance imaging (MRI). SUBJECTS AND METHODS: Ten patients with definite TBM were prospectively recruited. The severity of TBM was graded into stage I to III. The patients were subjected to whole body (18)F-FDG PET/CT imaging and MRI brain...
November 15, 2016: Journal of the Neurological Sciences
Carolina Rodriguez-Tirado, Takanori Kitamura, Yu Kato, Jeffery W Pollard, John S Condeelis, David Entenberg
Metastasis to secondary sites such as the lung, liver and bone is a traumatic event with a mortality rate of approximately 90% (1). Of these sites, the lung is the most difficult to assess using intravital optical imaging due to its enclosed position within the body, delicate nature and vital role in sustaining proper physiology. While clinical modalities (positron emission tomography (PET), magnetic resonance imaging (MRI) and computed tomography (CT)) are capable of providing noninvasive images of this tissue, they lack the resolution necessary to visualize the earliest seeding events, with a single pixel consisting of nearly a thousand cells...
October 6, 2016: Journal of Visualized Experiments: JoVE
Siddharth Jain, Animesh Ray, Manish Soneja, S Leve Joseph Devarajan, Shyam Madabhushi, Anitha Swamy, T Naveen, S K Sharma
A known case of primary Sjogren's syndrome with chronic kidney disease presented with respiratory symptoms and subsequent altered sensorium. Chest imaging suggested cavitating lung lesions in both the lungs. Serum c-ANCA was positive without any upper respiratory tract involvement or active urinary sediments. Treatment with appropriate anti-microbials produced no improvement in the respiratory or neurological parameters. MRI brain revealed tell-tale signs of CNS vascultis. A diagnosis of GPA was made as per European Medical Agency algorithm and the patient was started on immune-suppressants to which there was dramatic response...
October 2016: Journal of the Association of Physicians of India
Balaji K Tamarappoo, Allan L Klein
Post-pericardiotomy syndrome (PPS) occurs in a subgroup of patients who have undergone cardiothoracic surgery and is characterized by fever, pleuritic pain, pleural effusion, and pericardial effusion. It is associated with significant morbidity, and the leading complications include tamponade and constrictive pericarditis. Epidemiologic studies have found that PPS often occurs among younger patients; however, there is a lack of comprehensive risk stratification. It is therefore important to be able to identify patients who are at high risk for developing this disease...
November 2016: Current Cardiology Reports
Birendra P Sah, Bikram Sharma, Michael C Iannuzzi
We report a case of orbital sarcoidosis in a 66 year old male who presented with one month history of right eye swelling and intermittent diplopia. MRI revealed an enhancing infiltrative soft tissue mass in the inferior aspect of the right orbit and biopsy of the mass demonstrated non-necrotizing granulomas. Chest CT scan was normal and PET scan showed no other organ involvement. He was treated with tapering doses of prednisone over six months. Although relapse occurred while tapering prednisone to 20 mg per day, he responded well to the addition of azathioprine with complete resolution of visual difficulties and orbital the mass on repeat MRI...
October 7, 2016: Sarcoidosis, Vasculitis, and Diffuse Lung Diseases: Official Journal of WASOG
Louise Dunphy, Prashanth Shetty, Rabinder Randhawa, Kharil Amir Rani, Yaw Duodu
A 39-year-old man, born in India but resident in the UK for 10 years, was travelling in America when he became feverish with an altered mentation. He reported a 10-day history of fever, photophobia, headache and fatigue. His medical history included hypothyroidism and migraine. He was a non-smoker, did not consume alcohol and denied a history of drug use. He was transferred to the emergency department. Laboratory investigations confirmed hyponatraemia (sodium 128 mmol/L). A chest radiograph confirmed no focal consolidation...
October 7, 2016: BMJ Case Reports
Lin Shi
According to the seventh report of Joint National Committee (JNC 7), hypertensive emergency (HE), a kind of hypertensive crisis, is defined as a sudden and abrupt elevation in blood pressure so as to cause acute target organ dysfunctions, including central nervous system, cardiovascular system or kidneys. Patients with HE require immediate reduction in markedly elevated blood pressure. Currently, there are no international guidelines for children HE, so the JNC definition is commonly used. Hypertensive emergency in children is rare but a life-threatening emergency...
September 2016: Journal of Hypertension
Hae-Young Lee, Chan-Soon Park, Sang-Hoon Na, Kyung-Jin Kim, Chan Joo Lee, Sungha Park
A 47-year-old woman was admitted via emergency department due to dyspnea NYHA Fc II-III aggravated for 2 months after upper respiratory infection. Her height and body weight were 161 cm / 67 kg. Initial vital signs were 110/70 mmHg - 112 BPM - 24/min - 36.5°C. Chest PA showed cardiomegaly and pulmonary congestion (Figure 1). B-natriuretic peptide level was markedly increased (2002 pg/mL, normal range ≤ 100 pg/mL). The echocardiographic examination showed severely dilated LV cavity (61/72 mm) and severe LV systolic dysfunction (EF 28%) with normal left ventricular wall thickness (9/11 mm) (Figure 2)...
September 2016: Journal of Hypertension
Timo-Benjamin Baumeister, Ingo Wickenbrock, Christian A Perings
Methylphenidate (Ritalin(®)) is an increasingly used medication in the treatment of attention-deficit hyperactivity disorder (ADHD). Cardiovascular adverse effects like vasospasm or myocardial infarction are described as very rare adverse effects. We present the case of a 21-year-old man diagnosed with ADHD who recently started therapy with Ritalin(®) Adult 20 mg for at least 3 days. Afterwards he presented with chest pain, elevated troponin and creatine kinase, and posterolateral ST elevations. A myocarditis was initially supposed...
December 2016: Drug Saf Case Rep
Steven Schaub, Hartley M Sirkis, Jonathan Kay
Multifocal osteomyelitis and synovitis, acne, pustulosis, hyperostosis, and osteitis (SAPHO) syndrome constitute a spectrum of disease that includes inflammatory bone lesions and dermatologic findings. Radiographic features resemble those of the spondyloarthropathies with anterior chest wall involvement. Early radiographic findings are osteodestructive with lytic lesions. Bone scintigraphy of the sternoclavicular region classically yields a 'bull's head' pattern of radionuclide uptake. Magnetic resonance imaging (MRI) can demonstrate corner lesions of vertebral bodies...
November 2016: Rheumatic Diseases Clinics of North America
Christine Gonzales, Hikari A I Yoshihara, Nahzli Dilek, Julie Leignadier, Melita Irving, Pascal Mieville, Lothar Helm, Olivier Michielin, Juerg Schwitter
BACKGROUND: 19F-MRI and 19F-MRS can identify specific cell types after in-vitro or in-vivo 19F-labeling. Knowledge on the potential to track in-vitro 19F-labeled immune cells in tumor models by 19F-MRI/MRS is scarce. AIM: To study 19F-based MR techniques for in-vivo tracking of adoptively transferred immune cells after in-vitro 19F-labeling, i.e. to detect and monitor their migration non-invasively in melanoma-bearing mice. METHODS: Splenocytes (SP) were labeled in-vitro with a perfluorocarbon (PFC) and IV-injected into non-tumor bearing mice...
2016: PloS One
Alberto Dominguez-Rodriguez, Pedro Abreu-Gonzalez, Jose M de la Torre-Hernandez, Julia Gonzalez-Gonzalez, Tamara Garcia-Camarero, Luciano Consuegra-Sanchez, Maria Del Mar Garcia-Saiz, Ana Aldea-Perona, Tirso Virgos-Aller, Agueda Azpeitia, Russel J Reiter
The MARIA randomized trial evaluated the efficacy and safety of melatonin for the reduction of reperfusion injury in patients undergoing revascularization for ST-elevation myocardial infarction (STEMI). This was a prespecified interim analysis. A total of 146 patients presenting with STEMI within 6 hours of chest pain onset were randomized to receive intravenous and intracoronary melatonin (n=73) or placebo (n=73) during primary pecutaneous coronary intervention (PPCI). Primary endpoint was myocardial infarct size as assessed by magnetic resonance imaging (MRI) at 6±2 days...
October 13, 2016: Journal of Pineal Research
A S Dhadda, A Martin, S Killeen, I A Hunter
AIMS: Contact radiotherapy for early rectal cancer uses 50 kV X-rays to treat rectal cancers under direct vision. We present data of a series of patients treated at a single centre with prospective follow-up and functional assessment. MATERIALS AND METHODS: All patients were treated at the Queen's Centre for Oncology, Hull, UK between September 2011 and October 2015. Patients received a biopsy, magnetic resonance imaging (MRI) of the liver/pelvis, computed tomography of the chest and endorectal ultrasound...
October 7, 2016: Clinical Oncology: a Journal of the Royal College of Radiologists
Pooja Mehta, Mahesh Prakash, Niranjan Khandelwal
Hydatid disease (HD) is endemic in many parts of the world. HD can affect virtually any organ system in body and should be kept as differential diagnosis of cystic lesion. HD is mostly asymptomatic; however, it demonstrates a variety of characteristic imaging findings depending on the site of involvement, stage of growth, mass effect, complications, or hematogenous spread, which helps in diagnosis. Radiography, ultrasonography (USG), computed tomography (CT), and magnetic resonance imaging (MRI) are commonly used imaging modalities...
July 2016: Tropical Parasitology
Sanjay Dandamudi, Jeremy D Collins, James C Carr, Pat Mongkolwat, Amir A Rahsepar, Todd T Tomson, Nishant Verma, Rishi Arora, Alex B Chicos, Susan S Kim, Albert C Lin, Rod S Passman, Bradley P Knight
RATIONALE AND OBJECTIVES: Studies reporting the safety of magnetic resonance imaging (MRI) in patients with a cardiac implantable electronic device (CIED) have mostly excluded examinations with the device in the magnet isocenter. The purpose of this study was to describe the safety of cardiac and thoracic spine MRI in patients with a CIED. MATERIALS AND METHODS: The medical records of patients with a CIED who underwent a cardiac or thoracic spine MRI between January 2011 and December 2014 were reviewed...
October 4, 2016: Academic Radiology
Na Duan, Xiao Chen, Yongkang Liu, Jianhua Wang, Zhongqiu Wang
Synovitis, acne, palmoplantar pustulosis, hyperostosis and osteitis syndrome (SAPHO) is a rare syndrome that affects the skin, bones and joints. Diagnosis of SAPHO syndrome is established on clinical appearance and imaging features. The present case report described the imaging features of three cases of SAPHO with sternoclavicular joint arthritis but without skin manifestations using multiple imaging modalities, including computed tomography (CT), magnetic resonance imaging (MRI) and bone scintigraphy. The first case was a 52-year-old male who suffered from progressive sternoclavicular arthritis for 2 years...
October 2016: Experimental and Therapeutic Medicine
A Fox-Lewis, G Coltart, S Rice, R Sen, Y Gourtsoyannis, H Hyare, R K Gupta
We report a case of a 31 year old male with extensive subclinical sinusitis leading to erosion in the cribriform plate and subsequent meningitis caused by the organism Moraxella osloensis. The patient presented to the emergency department with rapid onset confusion, neck stiffness and headache. Inflammatory markers, renal and liver function, and a chest radiograph were all normal. CT Head showed extensive polyp disease in the paranasal sinuses with expansion of the left frontal sinus and CT Sinuses revealed an area of low attenuation in the cribriform plate consistent with bony erosion...
2016: IDCases
A Khalil, M Majlath, V Gounant, A Hess, J P Laissy, M P Debray
Lung cancer is the leading cause of cancer death worldwide. Prognosis and treatment outcomes are known to be related to the disease stage at the time of diagnosis. Therefore, an accurate assessment of the extent of disease is critical to determine the most appropriate therapy. Currently available imaging modalities for diagnosis and follow-up consist of morphological and functional imaging. Morphological investigations are mainly performed with CT-scan and in some cases with MRI. In this review, we describe the contribution of MRI in lung cancer staging focusing on solid pulmonary nodule characterization and TNM staging assessment using chest and whole-body MRI examinations, detailing in each chapter current recommendations and future developments...
October 2016: Diagnostic and Interventional Imaging
Romain Gallet, James Dawkins, Jackelyn Valle, Eli Simsolo, Geoffrey de Couto, Ryan Middleton, Eleni Tseliou, Daniel Luthringer, Michelle Kreke, Rachel R Smith, Linda Marbán, Bijan Ghaleh, Eduardo Marbán
AIMS: Naturally secreted nanovesicles known as exosomes are required for the regenerative effects of cardiosphere-derived cells (CDCs), and exosomes mimic the benefits of CDCs in rodents. Nevertheless, exosomes have not been studied in a translationally realistic large-animal model. We sought to optimize delivery and assess the efficacy of CDC-secreted exosomes in pig models of acute (AMI) and convalescent myocardial infarction (CMI). METHODS AND RESULTS: In AMI, pigs received human CDC exosomes (or vehicle) by intracoronary (IC) or open-chest intramyocardial (IM) delivery 30 min after reperfusion...
September 27, 2016: European Heart Journal
Einar Dale, Jon M Moan, Terje A Osnes, Trond V Bogsrud
FDG PET/CT is perceived as a valuable diagnostic tool in addition to the standard diagnostic workup for patients with isolated neck lymph nodes of squamous cell carcinoma of unknown primary (SCCUP). For patients with SCCUP intended for primary radiotherapy, we hypothesize that the previously reported FDG PET/CT detection rates are too high. From 2008 to 2015, 30 SCCUP patients were examined with FDG PET/CT. The objective of the FDG PET/CT examination was twofold: (1) improve the radiotherapy target definition, and (2) identify the primary cancer...
September 26, 2016: European Archives of Oto-rhino-laryngology
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