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| 1 | Xanthogranulomatous cholecystitis: What every radiologist should know显示文摘Xanthogranulomatous cholecystitis(XGC) is an uncommon variant of chronic cholecystitis characterized by xanthogranulomatous inflammation of the gallbladder. Intramural accumulation of lipid-laden macrophages and acute and chronic inflammatory cells is the hallmark of the disease. The xanthogranulomatous inflammation of the gallbladder can be very severe and can spill over to the neighbouring structures like liver, bowel and stomach resulting in dense adhesions, perforation, abscess formation, fistulous communication with adjacent bowel. Striking gallbladder wall thickening and dense local adhesions can be easily mistaken for carcinoma of the gallbladder, both intraoperatively as well as on preoperative imaging. Besides, cases of concomitant gallbladder carcinoma complicating XGC have also been reported in literature. So, we have done a review of the imaging features of XGC in order to better understand the entity as well as to increase the diagnostic yield of the disease summarizing the characteristic imaging findings and associations of XGC. Among other findings, presence of intramural hypodense nodules is considered diagnostic of this entity. However, in some cases, an imaging diagnosis of XGC is virtually impossible. Fine needle aspiration cytology might be handy in such patients. A preoperative counselling should include possibility of differential diagnosis of gallbladder cancer in not so characteristic cases. | Vaibhav P Singh S Rajesh Chhagan Bihari Saloni N Desai Sudheer S Pargewar Ankur Arora | 2016 | World Journal of Radiology2016，8，2： | 21 |
| 2 | Imaging and radiological interventions in extra-hepatic portal vein obstruction显示文摘Extrahepatic portal vein obstruction(EHPVO) is a primary vascular condition characterized by chronic long standing blockage and cavernous transformation of portal vein with or without additional involvement of intrahepatic branches, splenic or superior mesenteric vein. Patients generally present in childhood with multiple episodes of variceal bleed and EHPVO is the predominant cause of paediatric portal hypertension(PHT) in developing countries. It is a pre-hepatic type of PHT in which liver functions and morphology are preserved till late. Characteristic imaging findings include multiple parabiliary venous collaterals which form to bypass the obstructed portal vein with resultant changes in biliary tree termed portal biliopathy or portal cavernoma cholangiopathy. Ultrasound with Doppler, computed tomography, magnetic resonance cholangiography and magnetic resonance portovenography are non-invasive techniques which can provide a comprehensive analysis of degree and extent of EHPVO, collaterals and bile duct abnormalities. These can also be used to assess in surgical planning as well screening for shunt patency in post-operative patients. The multitude of changes and complications seen in EHPVO can be addressed by various radiological interventional procedures. The myriad of symptoms arising secondary to vascular, biliary, visceral and neurocognitive changes in EHPVO can be managed by various radiological interventions like transjugular intra-hepatic portosystemic shunt, percutaneous transhepatic biliary drainage, partial splenic embolization, balloon occluded retrograde obliteration of portosystemic shunt(PSS) and revision of PSS. | Sudheer S Pargewar Saloni N Desai S Rajesh Vaibhav P Singh Ankur Arora Amar Mukund | 2016 | World Journal of Radiology2016，8，6： | 8 |
| 3 | 急性脊髓损伤患者治疗的临床操作指南:关于MRI基线在临床治疗决策与结果预测中作用的几点建议(英文)显示文摘The objective of this guideline is to outline the role of magnetic resonance imaging(MRI) in clinical decision making and outcome prediction in patients with traumatic spinal cord injury(SCI).Methods A systematic review of the literature was conducted to address key questions related to the use of MRI in patients with traumatic SCI.This review focused on longitudinal studies that controlled for baseline neurologic status.A multidisciplinary Guideline Development Group(GDG) used this information,their clinical expertise,and patient input to develop recommendations on the use of MRI for SCI patients.Based on GRADE(Grading of Recommendation,Assessment,Development and Evaluation),a strong recommendation is worded as ' we recommend,' whereas a weaker recommendation is indicated by 'we suggest.' Results Based on the limited available evidence and the clinical expertise of the GDG,our recommendations were:(1) 'We suggest that MRI be performed in adult patients with acute SCI prior to surgical intervention,when feasible,to facilitate improved clinical decision-making'(quality of evidence,very low) and(2) 'We suggest that MRI should be performed in adult patients in the acute period following SCI,before or after surgical intervention,to improve prediction of neurologic outcome '(quality of evidence,low).Conclusions These guidelines should be implemented into clinical practice to improve outcomes and prognostication for patients with SCI. | Fehlings MG Martin AR Tetreault LA Aarabi B Anderson P Arnold PM Brodke D Burns AS Chiba K Dettori JR Furlan JC Hawryluk G Holly LT Howley S Jeji T Kalsi-Ryan S Kotter M Kurpad S Kwon BK Marino RJ Massicotte E Merli G Middleton JW Nakashima H Nagoshi N Palmieri K Singh A Skelly AC Tsai EC Vaccaro A Wilson JR Yee A Harrop JS | 2017 | 中华神经外科疾病研究杂志2017，16，6： | 8 |
| 4 | Frameworks of Non-Orthogonal Multiple Access Techniques in Cognitive Radio Communication Systems显示文摘Recently,the increasing demand of radio spectrum for the next generation communication systems due to the explosive growth of applications appetite for bandwidths has led to the problem of spectrum scarcity.The potential approaches among the proposed solutions to resolve this issue are well explored cognitive radio(CR)technology and recently introduced non-orthogonal multiple access(NOMA)techniques.Both the techniques are employed for efficient spectrum utilization and assure the significant improvement in the spectral efficiency.Further,the significant improvement in spectral efficiency can be achieved by combining both the techniques.Since the CR is well-explored technique as compared to that of the NOMA in the field of communication,therefore it is worth and wise to implement this technique over the CR.In this article,we have presented the frameworks of NOMA implementation over CR as well as the feasibility of proposed frameworks.Further,the differences between proposed CR-NOMA and conventional CR frameworks are discussed.Finally,the potential issues regarding the implementation of CR-NOMA are explored. | Prabhat Thakur Alok Kumar S Pandit G Singh S N Satashia | 2019 | China Communications2019，16，6： | 3 |
| 5 | Peripheral interventions and antiplatelet therapy: Role in current practice显示文摘Peripheral arterial disease(PAD) is a common disorder associated with a high risk of cardiovascular mortality and continues to be under-recognized. The major risk factors for PAD are similar to those for coronary and cerebrovascular disease. Management includes exercise program, pharmacologic therapy and revascularization including endovascular and surgical approach. The optimal revascularization strategy, endovascular or surgical intervention, is often debated due to the paucity of head to head randomized controlled studies. Despite significant advances in endovascular interventions resulting in increased utilization over surgical bypass, significant challenges still remain. Platelet activation and aggregation after percutaneous transluminal angioplasty of atherosclerotic arteries are important risk factors for re-occlusion/restenosis and life-threatening thrombosis following endovascular procedures. Antiplatelet agents are commonly prescribed to reduce the risk of myocardial infarction, stroke and death from cardiovascular causes in patients with PAD. Despite an abundance of data demonstrating efficacy of antiplatelet therapy in coronary artery disease and cerebrovascular disease, there is a paucity of clinical information, clinical guidelines and randomized controlled studies in the PAD population. Hence, data on antiplatelet therapy in coronary interventions is frequently extrapolated to peripheral interventions. The aim of this review article is to elucidate the current data on revascularization and the role and duration of antiplatelet and anticoagulant therapy in re-vascularized lower limb PAD patients. | Pahul Singh Yenal Harper Carrie S Oliphant Mohamed Morsy Michelle Skelton Raza Askari Rami N Khouzam | 2017 | World Journal of Cardiology2017，9，7： | 2 |
| 6 | Inverse trajectory control and zero-dynamics sensitivity of an elastic manipulator显示文摘 | Madhavan S K Singh S N | 1991 | Int J of Robotic Automation1991，6，4： | 2 |
| 7 | Risk for esophageal neoplasia in B arrett’s esophagus patients with mucosal changes indefinite for dysplasia显示文摘 | Bela Horvath Prabhdeep Singh Hao Xie Prashanthi N Thota Daniela S Allende Rish K Pai Deepa T Patil Thomas P Plesec John R Goldblum Xiuli Liu | 2015 | J Gastroenterol Hepatol2015，，： | 2 |
| 8 | Lipid-Rich Variant of Pancreatic Endocrine Neoplasms显示文摘 | Rajendra Singh Olca Basturk David S Klimstra Giuseppe Zamboni Runjan Chetty Sanaa Hussain Stefano La Rosa Asli Yilmaz Paola Capelli Carlo Capella Jeanette D Cheng N Volkan Adsay | 2006 | The American Journal of Surgical Pathology2006，，2： | 2 |
| 9 | Gamma-ray shielding and structural properties of PbO-SiO2 glasses 显示文摘 | K J Singh N Singh R S Kaundal | 2008 | Nuclear Instraments and Methods in Physics Research2008，266，6： | 1 |
| 10 | Variations in soil microbial biomass and crop roots due to differingresource quality inputs in a tropical dryland agroecosystem显示文摘 | SINGH S GHOSHAL N SINGH K P | 2007 | Soil Biology & Biochemistry2007，39，： | 1 |
| 11 | Output feedback variable structure adaptive control of a flexible spacecratft显示文摘 | Zeng Y Araujo A Singh S N | 1999 | Acta Astronautica1999，44，1： | 1 |
| 12 | Surface mod- ification of microporous PVDF membranes by ATRP 显示文摘 | Singh N Husson S M Zdyrko B etal | 2005 | J Membr Sei2005，262，： | 1 |
| 13 | Input-output invertibility and sliding mode control for close formation flying of multiple UAVs显示文摘 | SINGH S N PACHTER M CHANDLER P | 2000 | Int J Robust Nonlinear Con- trol2000，，10： | 1 |
| 14 | Optimum and high rate of fertilizer and farmyard manure application on wheat and sorghum (fodder) yields and dynamics of potassium in an alluvial soil显示文摘 | Subba R A Bhonsle N S Singh M | 1993 | Journal of Potassium Research1993，30，9： | 1 |
| 15 | Synthesis, characterization and in vitro antiamoebic activity of 5-nitrothiophene-2-carboxaldehyde thiosemicarbazones and their palladium (Ⅱ) and ruthenium (Ⅱ) complexes 显示文摘 | Singh S Bharti N Naqvi F | 2004 | Eur J Med Chem2004，39，： | 1 |
| 16 | Evaluation of factors that have reduced mortality from acute pancreatitis over the past 20 years 显示文摘 | Bank S Singh P Pooran N | 2002 | J Clin Gastroenterol2002，35，1： | 1 |
| 17 | Effect of multiple equilibrium on power system stability显示文摘 | Srivastava K N Singh S N Srivastava S C | 2000 | Electric Power Systems Research2000，55，3： | 1 |
| 18 | Unique homologous siRNA blocks hypoxia-induced VEGF upregulation in human corneal cells and inhibits and regresses murine corneal neovascularizatlon 显示文摘 | Singh N Higgins E Amin S | 2007 | Cornea2007，26，1： | 1 |
| 19 | Cytokines ( IL - 6 , IL - 8 ,TNF) :early and reliable predictors of severe acute pancreatitis 显示文摘 | Pooran N Indaram A Singh P Bank S | 2003 | J Clin Gas2troenterol2003，37，3： | 1 |
| 20 | Curcumin (diferuloylmeth- ane ) down-regulates the constitutive activation of nuclear factor-kap- pa B and IkappaBalpha kinase in human multiple myeloma cells, leading to suppression of proliferation and induction of apoptosis 显示文摘 | Bharti AC Donato N Singh S | 2003 | Blood2003，101，3： | 1 |
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