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Indexing hs code- a hybrid indexer for an optimized search of geotagged data
Bhagwant Singh,Kingshuk Srivastava,D. K. Gupta,Tanupriya Choudhury,Jung‑Sup Um 대한공간정보학회 2023 Spatial Information Research Vol.31 No.1
In case of unstructured data processing current technologies have developed a lot of solutions to process and provide insight into it, which has become paramount today due to the permeation of social media. Social media analytics extract data points by searching the most relevant textual reference and isolating textual data with location information. This increase the complexity of modern social media search engines. The indexer is imperative towards the performance of these engines. Geotagged data generated via modern social media technologies has augmented the need to enhance such search mechanisms designed for spatial data.Conventional spatial indexers designed to handle such data can accurately search spatial objects but with a considerable increase in seek time. This paper presents a hybrid spatial indexer based on “Hs-I” tree for the “Social Media Spatial Analytical (SMSA)” model. The purposed indexer is 17.768% faster when compared with the “Geo-hash” indexer. The model refers “CBDFI” model for base architecture and deploys the advantage of the “hs” code. The paper presents the comparison of the purposed indexer with various other spatial indexers and highlights its key points in terms of execution time.
Manohar, Kuruva,Mittal, Bhagwant Rai,Bhattacharya, Anish,Gupta, Amod The Korea Society of Nuclear Medicine 2012 핵의학 분자영상 Vol.46 No.1
Metastases to orbit occur rarely but are the most common form of malignant orbital tumors. Usually the orbital metastases occur in disseminated disease. Very rarely orbital metastases can be the presenting feature of systemic malignancy. We report here a case with orbital metastases as the presenting feature of lung malignancy and describe the utility of FDG PET/CT as one-stop-shop imaging modality in this setting.
18F-FDG PET/CT detects Metastatic Renal Cell Carcinoma Masquerading as Primary Breast Malignancy
Ashwin Singh Parihar,Bhagwant Rai Mittal,Shelvin Kumar Vadi,Rajender Kumar,Kaniyappan Nambiyar,Bishan Radotra,Lileswar Kaman 대한핵의학회 2018 핵의학 분자영상 Vol.52 No.6
We present the case of a 36-year-old woman who underwent 18F-FDG PET/CT with suspicion of a primary breast malignancy. However, PET/CT detected an occult renal cell carcinoma with metastases to the thyroid, breast, lungs and lymph nodes. Thyroidand breast metastases are atypical metastatic sites of renal cell carcinoma. Breast metastases from extra mammary tissue areextremely rare, more so from renal cell carcinoma. Histopathologic confirmation of the breast lesions is imperative to avoidunnecessary mastectomy and imaging can help in raising the suspicion of metastatic involvement versus primary breastmalignancy.
Groove Pancreatitis Masquerading as Pancreatic Carcinoma—Detected on 18F-FDG PET/CT
Ashwin Singh Parihar,Bhagwant Rai Mittal,Shelvin Kumar Vadi,Apurva Sood,Rajender Kumar,Usha Dutta 대한핵의학회 2018 핵의학 분자영상 Vol.52 No.6
Groove pancreatitis is a rare form of chronic pancreatitis that affects the groove area adjacent to the second part of the duodenum. Clinical and biochemical features often overlap with other subsets of chronic pancreatitis, while the imaging features resemblethat of carcinoma of the head of pancreas. We present a 38-year-old man with abdominal pain, nausea, vomiting, and loss ofweight who underwent 18F-FDG PET/CT to rule out a pancreatic malignancy. PET/CT imaging features of groove pancreatitisare distinct from the other subsets of chronic pancreatitis, such as alcoholic and autoimmune pancreatitis, and helpful in thediagnosis and planning further management of the patient.
Dharmender Malik,Rajender Kumar,Bhagwant Rai Mittal,Gaurav Parkash,Amanjit Bal,Anish Bhattacharya 대한핵의학회 2018 핵의학 분자영상 Vol.52 No.5
We present a case of papillary thyroid cancer (post-thyroidectomy status) on regular treatment with suppressive Levothyroxinetherapy. On follow-up at 6 months after radioactive iodine ablation for remnant thyroid tissue, her thyroglobulin, and antithyroglobulinlevels were 0.06 ng/ml and 670 IU/ml, respectively. Low-dose whole-body I-131 scan was negative. To lookfor the cause of isolated increased anti-thyroglobulin level, a whole-body 18F-FDG PET/CT was done which revealed multipleFDG-avid lytic skeletal lesions suggestive of metastases. For confirmation of diagnosis, 18F-FDG PET/CT-guided metabolicbiopsy was done, which revealed Langerhans’ cell histiocytosis on histopathological examination.
Kashyap, Raghava,Mittal, Bhagwant Rai,Chakraborty, Dhritiman,Bhattacharya, Anish,Singh, Baljinder The Korea Society of Nuclear Medicine 2010 핵의학 분자영상 Vol.44 No.4
We present a case of poorly differentiated muscle invasive transitional cell carcinoma in a 64-year-old male diagnosed with FDG-avid mass in the urinary bladder wall and multiple skeletal muscles visualised on F-18 FDG PET/CT.
Post-cholecystectomy acute injury: What can go wrong?
Vikas Gupta,Ashish Gupta,Thakur Deen Yadav,Bhagwant Rai Mittal,Rakesh Kochhar 한국간담췌외과학회 2019 Annals of hepato-biliary-pancreatic surgery Vol.23 No.2
Backgrounds/Aims: Most of the emphasis of postcholecystectomy injuries is laid on iatrogenic bilary trauma. However, they can involve a wide spectrum of injuries. Methods: We prospectively evaluated 42 patients with postcholecystectomy injuries referred to us from July 2011 to December 2012. Based on spectrum of injuries, we proposed an algorithm of management. Results: Injuries occurred following laparoscopy in 20 (2 converted) patients and open in 22 patients. Mean time of detection of injury was 4.32±2.33 days. The nature of drainage was bilious in 36, bile with blood in 2, only blood in 2, and enteric in 2. Nine had organ failure at presentation. Six (14%) needed re-operation. Source of hemorrhage was from right hepatic artery in three and small bowel mesentry in 1. Enteric injuries were one each to duodenum and colon. Six patient (14%) died. Advancing age and organ failure were the predictors of mortality. Persistant biliary fistula was seen in 5 (14%). Ten had lateral leaks that closed at 28.89±2.34 days. Twenty-two formed stricture which was successfully managed with definitive hepaticojejunostomy. Conclusions: Post cholecystectomy acute injury does not limit itself to bile duct or vascular injury but it can traumatize adjacent hollow viscus or mesentery. It is important to diagnose and intervene enteric injury early. Presentation and management for such injury should be followed as per the proposed algorithm.
Berk, Lee,Mali, Deeti,Bains, Gurinder,Madane, Bhagwant,Bradburn, Jessica,Acharya, Ruchi,Kumar, Ranjani,Juneja, Savleen,Desai, Nikita,Lee, Jinhyun,Lohman, Everett korean Academy of Physical Therapy Rehabilitation 2015 Physical therapy rehabilitation science Vol.4 No.1
Objective: Psychomotor imagery has been widely used to improve motor performance and motor learning. Recent research suggests that during visualization, changes occur in neurophysiological networks that make physical practice more effective in configuring functional networks for skillful behaviors. The aim of our pilot study was to determine if there was change and to what extent there was differentiation in modulation in electroencephalography (EEG) frequencies between visualizing a state of rest and a state of exercise performance and to identify the preponderant frequency. Design: Quasi-experimental design uncontrolled before and after study. Methods: EEG brain wave activity was recorded from 0-40 Hz from nine cerebral cortical scalp regions F3, Fz, F4, C3, Cz, C4, P3, POz, and P4 with a wireless telemetric EEG system. The subjects, while sitting on a chair with eyes closed, were asked to visualize themselves in a state of routine rest/relaxation and after a period of time in a state of their routine exercise performance. Results: The gamma frequency, 31-40 Hz, (${\gamma}$) was the predominant wave band in differentiation between visualizing a state of rest versus visualizing a state of exercise performance. Conclusions: We suggest these preliminarily findings show the EEG electrocortical activity for athletes is differentially modulated during visualization of exercise performance in comparison to rest with a predominant ${\gamma}$ wave band frequency observed during the state of exercise. Further controlled experimental studies will be performed to elaborate these observations and delineate the significance to optimization of psychomotor exercise performance.
( Lee Berk ),( Deeti Mali ),( Gurinder Bains ),( Bhagwant Madane ),( Jessica Bradburn ),( Ruchi Acharya ),( Ranjani Kumar ),( Savleen Juneja ),( Nikita Desai ),( Jinhyun Lee ),( Everett Lohman ) 물리치료재활과학회 2015 Physical therapy rehabilitation science Vol.4 No.1
Objective: Psychomotor imagery has been widely used to improve motor performance and motor learning. Recent research suggests that during visualization, changes occur in neurophysiological networks that make physical practice more effective in configuring functional networks for skillful behaviors. The aim of our pilot study was to determine if there was change and to what extent there was differentiation in modulation in electroencephalography (EEG) frequencies between visualizing a state of rest and a state of exercise performance and to identify the preponderant frequency. Design: Quasi-experimental design uncontrolled before and after study. Methods: EEG brain wave activity was recorded from 0-40 Hz from nine cerebral cortical scalp regions F3, Fz, F4, C3, Cz, C4, P3, POz, and P4 with a wireless telemetric EEG system. The subjects, while sitting on a chair with eyes closed, were asked to visualize themselves in a state of routine rest/relaxation and after a period of time in a state of their routine exercise performance. Results: The gamma frequency, 31-40 Hz, (γ) was the predominant wave band in differentiation between visualizing a state of rest versus visualizing a state of exercise performance. Conclusions: We suggest these preliminarily findings show the EEG electrocortical activity for athletes is differentially modulated during visualization of exercise performance in comparison to rest with a predominant γ wave band frequency observed during the state of exercise. Further controlled experimental studies will be performed to elaborate these observations and delineate the significance to optimization of psychomotor exercise performance.