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https://www.readbyqxmd.com/read/28828100/intense-18f-fdg-uptake-in-an-organizing-right-atrial-thrombus-mimicking-malignancy
#1
Krishna G Chaudhuri, Jonathan W Revels, Kaustubh S Yadwadkar, Lester S Johnson
We present a case of an intensely hypermetabolic intracavitary cardiac mass, standardized uptake values max 44.4, that was pathologically proved to be organizing and organized thrombus, negative for tumor. Our patient had previous right atrial mass resection 2 years prior that was pathologically described as either thrombus or infarcted atrial myxoma. She had since been on lifelong controlled anticoagulation; and on routine follow-up imaging, she had recurrent slow growth of a new right atrial mass. During a later hospital admission for chest pain, the mass was evaluated on both transthoracic and transesophageal echo cardiogram, which could not differentiate thrombus vs neoplasm...
September 2017: Radiology case reports
https://www.readbyqxmd.com/read/28827208/gender-dimorphism-in-central-adiposity-may-explain-metabolic-dysfunction-after-spinal-cord-injury
#2
Ashraf S Gorgey, Gary J Farkas, David R Dolbow, Refka E Khalil, David R Gater
BACKGROUND: Increase in visceral adipose tissue (VAT) is an independent risk for mortality and other health related comorbidities. OBJECTIVE: To examine the gender differences in VAT and subcutaneous adipose tissue (SAT) cross-sectional areas (CSA) between men and women with chronic spinal cord injury (SCI). The differences in the distribution of central adiposity were used to determine the association of VAT and SAT to metabolic dysfunction after SCI. DESIGN: cross-sectional design SETTING: hospital based study PARTICIPANTS: Sixteen individuals [8 men and 8 women] with motor complete SCI were matched based on age, time since injury and level of injury...
August 18, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28826849/thoracic-epidural-anesthesia-reversed-myocardial-fibrosis-in-patients-with-heart-failure-caused-by-dilated-cardiomyopathy
#3
Dan Ma, Lei Liu, Hongwei Zhao, Ruiying Zhang, Fengxiang Yun, Lulu Li, Yang Wang, Renhai Qu, Pengfei Liu, Fengqi Liu
OBJECTIVE: To verify that high thoracic epidural anesthesia (TEA) could reverse myocardial fibrosis in heart failure caused by dilated cardiomyopathy (DCM). DESIGN: Hospitalized patients with DCM and heart failure. SETTING: Harbin Medical University, Harbin, Heilongjiang, China. PARTICIPANTS: Eight patients. INTERVENTIONS: 0.5% lidocaine was administered epidurally at the T4-T5 interspace for 4 weeks...
May 4, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28826708/occlusion-status-on-magnetic-resonance-angiography-is-associated-with-risk-of-delayed-ischemic-events-in-cerebral-aneurysms-treated-with-stent-assisted-coiling
#4
Takayuki Kikuchi, Akira Ishii, Hideo Chihara, Daisuke Arai, Mitsushige Ando, Yohei Takenobu, Tomohisa Okada, Yasushi Takagi, Susumu Miyamoto
OBJECTIVE: Management after stent-assisted coiling (SAC) for unruptured intracranial aneurysm is sometimes difficult because close monitoring for ischemic events for a long period of time after the procedure is necessary. The purpose of this study was to clarify the usefulness of magnetic resonance angiography (MRA) at follow-up after SAC. METHODS: Sixty-six consecutive cases of SAC for unruptured intracranial aneurysm in our institute and affiliated hospitals were retrospectively reviewed for a delayed ischemic event...
August 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28819079/-an-adult-case-of-enterovirus-d68-encephalomyelitis-presenting-as-bilateral-facial-nerve-palsy-and-dysphagia
#5
Yuta Kusabe, Akari Takeshima, Azusa Seino, Mana Nishida, Mami Takahashi, Shota Yamada, Junsuke Shimbo, Aki Sato, Kouichirou Okamoto, Shuichi Igarashi
A 33-year-old man was admitted to our hospital with bilateral facial nerve paralysis, dysphagia, and muscle weakness in the neck and trunk following fever, headache and throat pain. T<sub>2</sub>-weighted brain magnetic resonance imaging (MRI) showed hyperintense lesions in the tegmentum of the brain stem and the ventral region of the superior cervical cord. Based on the characteristic findings on the brain MRI, we diagnosed the patient with enteroviral encephalomyelitis. Steroid therapy was administered; however, his bilateral facial nerve paralysis and dysphagia were refractory to this therapy...
August 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28818863/detection-of-left-ventricular-thrombus-by-cardiac-magnetic-resonance-in-embolic-stroke-of-undetermined-source
#6
Junji Takasugi, Hiroshi Yamagami, Teruo Noguchi, Yoshiaki Morita, Tomotaka Tanaka, Yoshinori Okuno, Satoshi Yasuda, Kazunori Toyoda, Yasufumi Gon, Kenichi Todo, Manabu Sakaguchi, Kazuyuki Nagatsuka
BACKGROUND AND PURPOSE: We aimed to use contrast-enhanced cardiac magnetic resonance (CE-CMR) imaging to elucidate the prevalence of left ventricular (LV) thrombus in patients suspected of embolic stroke of undetermined source (ESUS) with previous myocardial infarction or LV dysfunction (LV ejection fraction [LVEF] <50%). METHODS: We prospectively investigated 797 consecutive patients who presented to our hospital with acute ischemic stroke between 2014 and 2015...
August 17, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28818490/inhibition-of-quorum-sensing-controlled-biofilm-formation-in-pseudomonas-aeruginosa-by-quorum-sensing-inhibitors
#7
Kalaiarasan Ellappan, Kottha Thirumalaswamy, Belgode Narasimha Harish, Gnanasambandam Vasuki, Veeresh Kumar Sali, James John
Antimicrobial therapy against extensively drug-resistant (XDR) P. aeruginosa biofilms is less efficient compared to the treatment of equal bacterial counts of free-floating planktonic cells, which has become a serious threat in hospital environment. P. aeruginosa regulate their cooperative activities and physiological process through a cell to cell chemical communication process called Quorum sensing (QS). This attracted our interest to synthesize, and to chemically characterize two anti-QS compounds, N-(4-{4-fluoroanilno} butanoyl) -L-homoserine lactone (FABHL) and N-(4-{4-chlororoanilno} butanoyl) -L-homoserine lactone (CABHL) to inhibit biofilm formation via disabling the QS circuits...
August 14, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28818358/black-toenail-sign-in-melas-syndrome
#8
Matthew T Whitehead, Michael Wien, Bonmyong Lee, Nancy Bass, Andrea Gropman
BACKGROUND: Mitochondrial encephalopathy with lactic acidosis and stroke-like episodes (MELAS) syndrome is a mitochondrial disorder often causing progressive brain injury that is not confined to large arterial territories. Severe insults ultimately lead to gyral necrosis affecting the cortex and juxtacortical white matter; the neuroimaging correlate is partial gyral signal suppression on T2/FLAIR sequences that resemble black toenails. We aimed to characterize the imaging features and the natural history of MELAS-related gyral necrosis...
July 12, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28817410/fatty-infiltrate-of-the-lumbar-multifidus-muscles-predicts-return-to-play-in-young-athletes-with-extension-based-low-back-pain
#9
John Winslow, Andrew Getzin, Hilary Greenberger, Walter Silbert
OBJECTIVE: To evaluate the predictive value of fatty infiltrate of the lumbar multifidus muscles (LMM) for return to play in young athletes with extension-based low back pain (EB LBP). DESIGN: Retrospective cohort study. SETTING: Hospital-based sports medicine practice. PATIENTS: Sixty-two athletes, 61.3% female, and 38.7% male, mean age 14.8 years, with a primary complaint of EB LBP who underwent magnetic resonance imaging (MRI); 46...
August 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28816987/analysis-of-background-parenchymal-echogenicity-on-breast-ultrasound-correlation-with-mammographic-breast-density-and-background-parenchymal-enhancement-on-magnetic-resonance-imaging
#10
Kyung Hee Ko, Hae Kyoung Jung, Inwha Kim
The purpose of this study was to analyze the background parenchymal echotexture (BP echo) on breast ultrasound in detail and to evaluate the relation BP echo with menopausal status. In addition, we correlated BP echo with mammographic breast density (MGD) and background parenchymal enhancement (BPE) on magnetic resonance imaging (MRI).The institutional review board of our hospital approved this retrospective study, and the requirement of informed consent was waived. We studied 138 women (mean age 51.6 years, range from 26 to 79 years) with newly diagnosed invasive breast cancer, who had performed preoperative mammography, ultrasound, and MR from June 2013 to June 2015...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816935/perimesencephalic-nonaneurysmal-subarachnoid-hemorrhage-caused-by-transverse-sinus-thrombosis-a-case-report-and-review-of-literature
#11
Fang-Wang Fu, Jie Rao, Yuan-Yuan Zheng, Liang Song, Wei Chen, Qi-Hui Zhou, Jian-Guang Yang, Jiang-Qiong Ke, Guo-Qing Zheng
RATIONALE: Perimesencephalic nonaneurysmal subarachnoid hemorrhage (PNSAH) is characterized by a pattern of extravasated blood restricted to the perimesencephalic cisterns, normal angiographic findings, and an excellent prognosis with an uneventful course and low risks of complication. The precise etiology of bleeding in patients with PNSAH has not yet been established. The most common hypothesis is that PNSAH is venous in origin. Intracranial venous hypertension has been considered as the pivotal factor in the pathogenesis of PNSAH...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28813751/superior-ophthalmic-vein-thrombosis-the-role-of-anticoagulation
#12
Samuel Thomsen, Eric Larson, Michael Greenwood
PURPOSE: To report a case of superior ophthalmic vein thrombosis (SOVT) and review the available literature to assess if anticoagulation is warranted in all cases of SOVT. OBSERVATIONS: The patient presented to an outside hospital facility with a severe headache involving the left frontal temporal area. This progressed to left-sided ptosis and facial droop. Magnetic resonance imaging revealed a left SOVT secondary to sphenoid sinusitis. Treatment was initiated with vancomycin and cefepime, and the patient was transferred to our tertiary care center for further management...
May 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28811899/angiomyofibroblastoma-of-the-vulva-diagnosed-preoperatively-a-case-report
#13
Tadahiro Shoji, Ryosuke Takeshita, Rika Mukaida, Tamotsu Sato, Masami Taguchi, Shunichi Sasou
A 50-year-old woman (gravida 2, para 2) first noticed a small nodule in the right labium majus 2 years prior to the initial visit to the Hachinohe Red Cross Hospital (Hachinohe, Japan), which had gradually increased in size. On physical examination, a well-circumscribed, elastic, firm, goose egg-sized, subcutaneous mass protruding from the right labium majus was identified. On magnetic resonance imaging (MRI), the lesion was hypointense on T1-weighted images and was well-circumscribed, strongly enhanced and homogeneous on gadolinium-enhanced images, measuring 7...
September 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28808572/a-mesenteric-solid-tumor-with-unusual-features-in-a-young-male-a-case-report
#14
Yoshitoshi Ichikawa, Tamaki Maeda, Gaku Mizojiri, Satoshi Ishikawa, Takaomi Hagi, Kimiaki Hattori, Hiroshi Oka
The current study presents a mesenteric mesenchymal tumor case, with unusual features in diagnostic imaging and histology. A 16-year-old male was admitted to the hospital with abdominal pain. Computed tomography (CT) revealed an abdominal mass, 2 cm in diameter. The results of contrast-enhanced CT, magnetic resonance imaging and (18)F-fluorodeoxyglucose positron emission tomography indicated no specific features suggestive of its histology. Two arteries branching from the superior mesenteric artery were observed feeding the hypervascular tumor...
September 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28806453/neurologic-complications-associated-with-the-zika-virus-in-brazilian-adults
#15
Ivan Rocha Ferreira da Silva, Jennifer A Frontera, Ana Maria Bispo de Filippis, Osvaldo Jose Moreira do Nascimento
Importance: There are no prospective cohort studies assessing the incidence and spectrum of neurologic manifestations secondary to Zika virus (ZIKV) infection in adults. Objective: To evaluate the rates of acute ZIKV infection among patients hospitalized with Guillain-Barré syndrome (GBS), meningoencephalitis, or transverse myelitis. Design, Setting, and Participants: A prospective, observational cohort study was conducted at a tertiary referral center for neurological diseases in Rio de Janeiro, Brazil, between December 5, 2015, and May 10, 2016, among consecutive hospitalized adults (>18 years of age) with new-onset acute parainfectious or neuroinflammatory disease...
August 14, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28802956/magnetic-resonance-imaging-compared-with-rectal-endoscopic-sonography-for-the-prediction-of-infiltration-depth-in-colorectal-endometriosis
#16
Arane Kim, Pedro Fernandez, Brigitte Martin, Laurent Palazzo, Lara Ribeiro-Parenti, Francine Walker, Margot Bucau, Dominique Luton, Carmen Chis, Martin Koskas
STUDY OBJECTIVE: To compare the accuracies of magnetic resonance imaging (MRI) and rectal endoscopic sonography (RES) in the prediction of the infiltration depth of colorectal endometriosis. DESIGN: Retrospective cohort study (Canadian Task Force classification II-2). SETTING: University teaching hospital. PATIENTS: Forty patients with symptomatic deep infiltrating endometriosis (DIE) of the rectum who underwent colorectal resection were included...
August 9, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28802522/comprehensive-evaluation-of-diagnostic-and-treatment-strategies-for-idiopathic-spinal-subarachnoid-hemorrhage
#17
Toshihisa Ichiba, Masahiko Hara, Kouichirou Nishikawa, Tomoyuki Tanabe, Masaki Urashima, Hiroshi Naitou
BACKGROUND: Idiopathic spinal subarachnoid hemorrhage (IS-SAH), defined as spinal SAH without apparent cause, is extremely rare. The objective of the present study was to establish a consensus on the diagnosis and management of IS-SAH. METHODS: We enrolled 5 consecutive cases of IS-SAH at our institution, and we enrolled 19 previously published cases as a literature review. The patient presentations, diagnostic test findings, treatment strategies, and outcomes were retrospectively assessed...
August 9, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28800746/artery-of-percheron-infarction-a-case-report
#18
Axel Sandvig, Sandra Lundberg, Jiri Neuwirth
BACKGROUND: The artery of Percheron is a rare anatomic variant of arterial supply to the paramedian thalamus and rostral midbrain, and occlusion of the artery of Percheron results in bilateral paramedian thalamic infarcts with or without midbrain involvement. Acute artery of Percheron infarcts represent 0.1 to 2% of total ischemic stroke. However, of thalamic strokes, occlusion of artery of Percheron is the cause in 4 to 35% of cases. Early diagnosis of artery of Percheron infarction can be challenging because it is infrequent and early computed tomography or magnetic resonance imaging may be negative...
August 12, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28798883/magnetic-solid-phase-extraction-using-fe3o4-sio2-magnetic-nanoparticles-followed-by-uv-vis-spectrometry-for-determination-of-paraquat-in-plasma-and-urine-samples
#19
Ou Sha, Yu Wang, Xin Yin, Xiaobing Chen, Li Chen, Shujun Wang
A rapid and simple method was optimized and validated for the separation and quantification of paraquat, a frequently used herbicide and a leading cause of fatal poisoning worldwide, at trace levels with UV-Vis spectrophotometry in plasma and urine samples by direct magnetic solid-phase extraction. Fe3O4@SiO2 nanoparticles (NPs) were used as the magnetic solid-phase extraction agents and the paraquat absorbed on NPs was eluted using NaOH and ascorbic acid. Upon optimization, paraquat could be extracted and concentrated from various samples by 35-fold...
2017: Journal of Analytical Methods in Chemistry
https://www.readbyqxmd.com/read/28797981/rhabdoid-meningioma-arising-concurrent-in-pulmonary-and-intracranial-with-a-rare-malignant-clinical-progression-case-report-and-literature-review
#20
Peng Zhao, Ning Li, Jinfeng Cao, Xiangtao Lin, Changhu Liang
BACKGROUND: Rhabdoid meningioma (RM) is an unusual variant of meningioma, classified as WHO grade III. Although its recurrence is common, extracranial metastasis is rare and usually misdiagnosed. The transfer mechanism and pathway are ambiguous; once it develops, there is a poor prognosis and no effective management. The present case is the first report on concurrent intracranial and pulmonary RM with rapid and widespread metastasis. We hope this report can be a helpful reference for clinicians and radiologists...
August 7, 2017: World Neurosurgery
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