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Search Results: 1 - 10 of 654 matches for " Pooja Raghavan "
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Isolated Pancreatic Tuberculosis Mimicking Malignancy in an Immunocompetent Host
Pooja Raghavan,Dhyan Rajan
Case Reports in Medicine , 2012, DOI: 10.1155/2012/501246
Abstract: Despite the high prevalence of tuberculosis (TB) worldwide, pancreatic TB is rare. When present, pancreatic TB is frequently associated with miliary TB, often in immunocompromised hosts. Pancreatic TB may present as a pancreatic abscess, acute or chronic pancreatitis, and cystic or solid pancreatic masses. We present a case of an immunocompetent patient who presented with two discrete pancreatic masses and was subsequently diagnosed with isolated pancreatic TB. This case suggests that clinicians should have a heightened suspicion of pancreatic TB when faced with discrete pancreatic lesions, especially in patients from areas where the infection is endemic. Such recognition may lead to appropriate diagnostic testing, and possible resolution of pancreatic lesions with antituberculin therapy.
Role of Teriparatide in Accelerating Metatarsal Stress Fracture Healing: A Case Series and Review of Literature
Pooja Raghavan and Elena Christofides
Clinical Medicine Insights: Endocrinology and Diabetes , 2012, DOI: 10.4137/CMED.S9663
Abstract: Bone fractures are one of the leading causes of emergency room visits worldwide, with approximately 8 million bony fractures occurring annually in the US alone. Although the majority of fractures do not cause significant long-term morbidity and mortality, approximately 10% of these fractures result in impaired fracture healing, drastically affecting quality of life in affected patients. By increasing bone formation, teriparatide, an anabolic agent used in the treatment of postmenopausal osteoporosis, has shown promise in accelerating the rate of fracture healing. We present two patients with impaired healing of metatarsal fractures who were subsequently treated with teriparatide. Both patients experienced successful bony union of the fracture after the use of teriparatide. These findings suggest that teriparatide may be useful in the clinical setting for the acceleration of fracture healing, especially in patients who are at risk for impaired fracture healing.
Role of Teriparatide in Accelerating Metatarsal Stress Fracture Healing: A Case Series and Review of Literature
Pooja Raghavan,Elena Christofides
Clinical Medicine Insights: Endocrinology and Diabetes , 2012,
Abstract:
Multiple Intestinal Intussusceptions as a Complication of Severe Hyperglycemia in a Patient with Diabetic Ketoacidosis
Pooja Raghavan,Jeffrey Salon,Dhyan Rajan
Case Reports in Endocrinology , 2012, DOI: 10.1155/2012/526041
Abstract: Intussusception in adults is a rare phenomenon, occurring in approximately 1 in 30,000 hospital admissions annually. When it does occur, the majority of cases involve an organic lesion serving as a lead point for intussusception, such as tumors or postoperative adhesions. In a small percentage of cases, a lead point is not found, and intussusception is thought to be idiopathic or secondary to a disease process contributing to dysrhythmic peristalsis of the gastrointestinal tract. A few cases of functional intussusception have been reported as being secondary to severe hyperglycemia and metabolic derangements, including metabolic acidosis and hyperkalemia, by causing impaired gastrointestinal motility. We present a case of a 23-year-old Caucasian male who presented with severe hyperglycemia and diabetic ketoacidosis. Imaging of the abdomen revealed three intussusceptions involving the small intestine, which were easily reduced manually during exploratory laparotomy.
Multiple Intestinal Intussusceptions as a Complication of Severe Hyperglycemia in a Patient with Diabetic Ketoacidosis
Pooja Raghavan,Jeffrey Salon,Dhyan Rajan
Case Reports in Endocrinology , 2012, DOI: 10.1155/2012/526041
Abstract: Intussusception in adults is a rare phenomenon, occurring in approximately 1 in 30,000 hospital admissions annually. When it does occur, the majority of cases involve an organic lesion serving as a lead point for intussusception, such as tumors or postoperative adhesions. In a small percentage of cases, a lead point is not found, and intussusception is thought to be idiopathic or secondary to a disease process contributing to dysrhythmic peristalsis of the gastrointestinal tract. A few cases of functional intussusception have been reported as being secondary to severe hyperglycemia and metabolic derangements, including metabolic acidosis and hyperkalemia, by causing impaired gastrointestinal motility. We present a case of a 23-year-old Caucasian male who presented with severe hyperglycemia and diabetic ketoacidosis. Imaging of the abdomen revealed three intussusceptions involving the small intestine, which were easily reduced manually during exploratory laparotomy. 1. Introduction Intussusception is a phenomenon more common in the pediatric population and is usually idiopathic or secondary to a viral etiology. Intussusception in adults is infrequent and typically occurs in the setting of an organic lesion serving as a lead point for intestinal telescoping, such as a tumor or adhesions from previous abdominal surgery [1]. Functional intussusception, occurring in the setting of a metabolic derangement such as severe hyperglycemia, metabolic acidosis, or hyperkalemia, is rare [2]. It has been suggested that severe hyperglycemia decreases gastrointestinal motility; GI dysmotility in turn has been implicated in the development of functional intussusception [1, 2]. Patients presenting with acute intussusception typically complain of severe diffuse abdominal pain, and the mainstay of therapy is surgical intervention. A large percentage of patients who present with diabetic ketoacidosis complain of severe abdominal pain, and, in up to 75 percent of cases, the pain may be severe enough to be confused with acute abdominal pathology. These symptoms of abdominal pain are similar to the clinical presentation of intussusception. If intussusception is not detected or treated, it can result in severe complications, such as bowel necrosis, perforation, and peritonitis [2, 3]. We present a case of a 23-year-old Caucasian male who was noted to have 3 small bowel intussusceptions in the setting of severe hyperglycemia and diabetic ketoacidosis. 2. Case Presentation A 23-year-old Caucasian male with a medical history significant only for insulin-dependent diabetes mellitus
Direct Liver Invasion from a Gastric Adenocarcinoma as an Initial Presentation of Extranodal Tumor Spread
Mitanshu Shah,Apsara Prasad,Dhyan Rajan,Christopher B. Tan,Mansi Shah,Pooja Raghavan,Paul Mustacchia
Case Reports in Medicine , 2012, DOI: 10.1155/2012/651232
Abstract: Gastric cancer often carries a poor prognosis, with an estimated 740,000 deaths from the malignancy occurring yearly worldwide (Dicken et al., 2005). The mortality of disease is largely dependent on the extent of tumor spread, as gastric cancer has a predilection to metastasize to other visceral secondaries via hematogenous and lymphatic dissemination. Direct invasion of a gastric adenocarcinoma to adjacent organs secondary to gastric wall perforation does occur; however, it is often present in the setting of advanced disease. Rarely does direct tumor invasion to adjacent organs from a gastric adenocarcinoma present as the initial manifestation of extranodal tumor spread. We present a case of a 40-year-old male with direct tumor extension to the liver as an initial presentation of extranodal tumor spread from a gastric adenocarcinoma. Clinicians should be aware of such an occurrence, as treatment modalities in direct liver extension from a gastric adenocarcinoma vary and may be directed towards palliation rather than curative intent.
Lower Extremity Cutaneous Lesions as the Initial Presentation of Metastatic Adenocarcinoma of the Colon
Dhyan Rajan,Mitanshu Shah,Pooja Raghavan,Shanza Mujeeb,Sadat Rashid,Aieska Desouza,Paul Mustacchia
Case Reports in Medicine , 2012, DOI: 10.1155/2012/989104
Abstract: Cutaneous metastases from colorectal cancers are rare and are usually present on the abdominal wall or previous surgical incision sites. Remote cutaneous lesions have been reported, however, often occur in the setting of widespread metastatic disease including other visceral secondaries. We present a case of lower extremity cutaneous metastases as the first sign of metastatic disease in a patient with adenocarcinoma of the colon. This case illustrates that new skin lesions may be the initial presentation of metastatic disease in a patient with a history of cancer.
Significance of Impurity Mineral Identification in the Value Addition of Kaolin – A Case Study with Reference to an Acidic Kaolin from India  [PDF]
S. Ramaswamy, P. Raghavan
Journal of Minerals and Materials Characterization and Engineering (JMMCE) , 2011, DOI: 10.4236/jmmce.2011.1011077
Abstract: Kaolin or china clay is a versatile industrial mineral with wide technological applications and is abundantly available in India. The major mineral in kaolin is kaolinite (Al2O3.2SiO2.2H2O). The common ancillary / impurity minerals occurring with kaolin include parent rocks like feldspar and mica, quartz, ferruginous, titanoferrous and carbonaceous materials. The most deleterious impurities in kaolin are iron minerals which imparts colour to the white kaolin. Iron exists as oxides, hydroxides, oxy hydroxides, sulphides and carbonates along with iron stained quartz/anatase and mica in kaolin. Kaolin finds extensive applications in paper, paint, rubber, ceramics, plastics etc. One of the highest value additions for kaolin is as pigment in paper and paint industries. The optical properties are important for pigment applications and removal of the iron impurity is very important to improve this property. Extensive research has been carried out on the nature of iron impurities present in kaolin, which leads to the conclusion that iron is present as a part of the kaolinite or ancillary mineral (mica or titania) structure, which can be termed as “structural iron” or as independent iron minerals such as oxides, hydroxides, oxyhydroxides, sulphides and carbonates, which can be termed as “free iron” [1]. The present paper discusses the iron speciation studies carried out on a typical china clay sample collected from Koraput district of Orissa State in the Union of India. Studies have shown that the major impurity mineral species is in “pyritic” (Iron sulphide) form along with other hydroxides, oxyhydoxides and oxides of Iron. Presence of limonite is also observed in the sample. The identification/quantification of the impurity minerals have played a crucial role in the selection / modification and sequentialisation of beneficiation processes and subsequent processing studies have shown that the sample can be value added to ceramic grade.
Evaluation of the Capacitance and Charge Distribution for Conducting Bodies by Circuit Modelling  [PDF]
Dhamodaran Muneeswaran, Dhanasekaran Raghavan
Circuits and Systems (CS) , 2016, DOI: 10.4236/cs.2016.74025
Abstract: This paper presents a numerical analysis for computation of free space capacitance of different arbitrarily shaped conducting bodies based on the finite element method with triangular subsection modeling. Evaluation of capacitance of different arbitrary shapes is important for the electrostatic analysis. Capacitance computation is an important step in the prediction of electrostatic discharge which causes electromagnetic interference. We specifically illustrated capacitance computation of electrostatic models like unit cube, rectangular plate, triangular plate, T-shaped plate, sphere and two touching spheres. Numerical data on the capacitance of conducting objects are presented. The results are compared with other available results in the literature. We used the COMSOL Multiphysics software for the simulation. The models are designed in three-dimensional form using electrostatic environment and can be applied to any spacecraft circuit modeling design. The findings of this study show that the finite element method is a more accurate method and can be applied to any circuit modeling design.
Study on Causal Association between FDI and Its Determinants in Taiwan  [PDF]
Shailender Singh, Pooja Jain
Theoretical Economics Letters (TEL) , 2018, DOI: 10.4236/tel.2018.815213
Abstract: A vital role is played by FDI (Foreign Direct Investment) in enhancing the growth and economic status of the country. Most of the countries in the developing phase depend on FDI to foster their economy as they were facing the scarcity of hard cash for their development process. High growth performance experienced by Taiwan economy largely relies on the FDI; to attract the foreign capital inflows the Taiwan government work on many policies. But the most important factors which influence and attract the foreign capital inflows are in academic debate. On the basis of macroeconomic theory knowledge, this research paper will shed light on the econometric analysis on the data of Taiwans total foreign direct investment and factors influencing it, which contains exchange rate, inflation rate, Taiwan stock exchange index, import, and business income tax during the years of 1998 to 2013.
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