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1
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0029399082
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MR imaging versus alternative imaging techniques
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0012119237
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Skeletal muscle imaging for the evaluation of myopathies
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Wortmann RL, (ed), Lippincott Williams and Wilkins, Philadelphia
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Park JH, Olsen NJ: Skeletal muscle imaging for the evaluation of myopathies. In Diseases of Skeletal Muscle. Edited by Wortmann RL. Philadelphia: Lippincott Williams and Wilkins; 2000:293–312.
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Park, J.H.1
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0027167786
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Muscular ultrasound in idiopathic inflammatory myopathies of adults
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PID: 8509807, COI: 1:STN:280:DyaK3s3os1KnsA%3D%3D, This paper demonstrates that, if the preferred MRI examinations are impossible, ultrasound may be used to provide a quantitative evaluation of inflammatory myopathies
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Reimers CD, Fleckenstein JL, Witt TN, Muller-Felber W, Pongratz DE: Muscular ultrasound in idiopathic inflammatory myopathies of adults. J Neurol Sci 1993, 116:82–92. This paper demonstrates that, if the preferred MRI examinations are impossible, ultrasound may be used to provide a quantitative evaluation of inflammatory myopathies.
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Reimers, C.D.1
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4
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0030784682
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Muscle imaging in inflammatory myopathies
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PID: 9375276, COI: 1:STN:280:DyaK1c%2Fkt1yntA%3D%3D
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Reimers CD, Finkenstaedt M: Muscle imaging in inflammatory myopathies. Curr Opin Rheumatol 1997, 9:475–485. DOI: 10.1097/00002281-199711000-00002
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Reimers, C.D.1
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0025144651
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Dermatomyositis: correlative MR imaging and P-31 MR spectroscopy for quantitative characterization of inflammatory disease
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PID: 2217788, COI: 1:STN:280:DyaK3M%2FhvVeitQ%3D%3D
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Park JH, Vansant JP, Kumar NG, et al.: Dermatomyositis: correlative MR imaging and P-31 MR spectroscopy for quantitative characterization of inflammatory disease. Radiology 1990, 177:473–479.
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Park, J.H.1
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0028210487
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MR imaging and P-31 MR spectroscopy provide unique quantitative data for longitudinal management of patients with dermatomyositis
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PID: 8185702, COI: 1:STN:280:DyaK2c3kt1Whug%3D%3D, There are few, if any, quantitative tests for longitudinal evaluation of patients with inflammatory myopathies. This paper verifies that MRI and P-31 MRS provide useful, quantitative data for characterizing patients with dermatomyositis and for planning therapeutic regimes
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Park JH, Vital T, Ryder N, et al.: MR imaging and P-31 MR spectroscopy provide unique quantitative data for longitudinal management of patients with dermatomyositis. Arthritis Rheum 1994, 37:736–746. There are few, if any, quantitative tests for longitudinal evaluation of patients with inflammatory myopathies. This paper verifies that MRI and P-31 MRS provide useful, quantitative data for characterizing patients with dermatomyositis and for planning therapeutic regimes. DOI: 10.1002/art.1780370519
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Park, J.H.1
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0026336021
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Magnetic resonance imaging in the idiopathic inflammatory myopathies
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PID: 1787491, COI: 1:STN:280:DyaK387lslWjtA%3D%3D, This study represents the first application of the MRI STIR sequences for accurate visualization of inflammation dermatomyositis and polymyositis. The variations the patterns of inflammation are described and illustrated with a variety of images. Detection of inflammation myofacial tissue and subcutaneous fat was also demonstrated with this technique
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Fraser DD, Frank JA, Dalakas M, et al.: Magnetic resonance imaging in the idiopathic inflammatory myopathies. J Rheumatol 1991, 18:1693–1699. This study represents the first application of the MRI STIR sequences for accurate visualization of inflammation in dermatomyositis and polymyositis. The variations in the patterns of inflammation are described and illustrated with a variety of images. Detection of inflammation in myofacial tissue and subcutaneous fat was also demonstrated with this technique.
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Fraser, D.D.1
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84988267471
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Olsen NJ, Park JH: Inflammatory myopathies: issues in diagnosis and management. Arthritis Care Res 1997, 10:200–207. DOI: 10.1002/art.1790100308
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Olsen, N.J.1
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9
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0032932507
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A pilot study: use of fludarabine for refractory dermatomyositis and polymyositis and examination of endpoint measures
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PID: 9972969, COI: 1:CAS:528:DyaK1MXht1yjt7g%3D
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Adams EM, Pucino F, Yarboro C, et al.: A pilot study: use of fludarabine for refractory dermatomyositis and polymyositis and examination of endpoint measures. J Rheumatol 1999, 26:352–360.
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0028826593
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Pitt AM, Fleckenstein JL, Greenlee RG Jr, et al.: MRI-guided biopsy in inflammatory myopathy: initial results. Magn Reson Imaging 1993, 11:1093–1099. DOI: 10.1016/0730-725X(93)90236-7
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Pitt, A.M.1
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0031912319
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Update on imaging of orthopedic infections
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0029945580
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PID: 8633124, COI: 1:STN:280:DyaK283itFahsg%3D%3D, This review provides an excellent comparison of MRI and ultrasound for the visualization of the imaging abnormalities inflammatory myopathies, namely, inflammation, fat infiltration, calcification, atrophy, location of pathologic changes specific muscles, abnormal vascularization, and blood flow
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Fleckenstein JL, Reimers CD: Inflammatory myopathies: radiologic evaluation. Radiol Clin North Am 1996, 34:427–439. This review provides an excellent comparison of MRI and ultrasound for the visualization of the imaging abnormalities in inflammatory myopathies, namely, inflammation, fat infiltration, calcification, atrophy, location of pathologic changes in specific muscles, abnormal vascularization, and blood flow.
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0030766391
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0027483950
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0029298705
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PID: 7624563, COI: 1:STN:280:DyaK2MzltVCisw%3D%3D, MRI STIR sequences are important and frequently used for the visualization of inflammation muscle, myofascial tissue, subcutaneous fat, and skin. This paper provides many images to illustrate the morphologic abnormalities inflammatory diseases
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Adams EM, Chow CK, Premkumar A, Plotz PH: The idiopathic inflammatory myopathies: spectrum of MR imaging findings. Radiographics 1995, 15:563–574. MRI STIR sequences are important and frequently used for the visualization of inflammation in muscle, myofascial tissue, subcutaneous fat, and skin. This paper provides many images to illustrate the morphologic abnormalities in inflammatory diseases.
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Adams, E.M.1
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0026575135
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Fat-suppressed MR imaging of myositis
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PID: 1727285, COI: 1:STN:280:DyaK38%2FotVOjtw%3D%3D
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Hernandez RJ, Keim DR, Chenevert TL, Sullivan DB, Aisen AM: Fat-suppressed MR imaging of myositis. Radiology 1992, 182:217–219.
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Hernandez, R.J.1
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Aisen, A.M.5
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22
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0028797784
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MRI and P-31 magnetic resonance spectroscopy detect and quantify muscle dysfunction in the amyopathic and myopathic variants of dermatomyositis
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PID: 7818575, Amyopathic dermatomyositis is characterized by a typical erythematous rash along with the absence of muscle weakness and no abnormal laboratory findings. However, these patients often have symptoms of fatigue and lethargy, which can be explained on the basis of metabolic defects detected with the sensitive technology of P-31 MRS. The muscles of the patients with amyopathic DM were normal at rest, but showed inefficient utilization of high energy phosphate compounds (ATP and phosphocreatine) during exercise and substantially decreased oxidative capacity
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Park JH, Olsen NJ, King LE, et al.: MRI and P-31 magnetic resonance spectroscopy detect and quantify muscle dysfunction in the amyopathic and myopathic variants of dermatomyositis. Arthritis Rheum 1995, 38:68–77. Amyopathic dermatomyositis is characterized by a typical erythematous rash along with the absence of muscle weakness and no abnormal laboratory findings. However, these patients often have symptoms of fatigue and lethargy, which can be explained on the basis of metabolic defects detected with the sensitive technology of P-31 MRS. The muscles of the patients with amyopathic DM were normal at rest, but showed inefficient utilization of high energy phosphate compounds (ATP and phosphocreatine) during exercise and substantially decreased oxidative capacity. DOI: 10.1002/art.1780380111
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Arthritis Rheum
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Park, J.H.1
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King, L.E.3
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23
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0032921469
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Quantitative assessment of myositis in thigh muscles using magnetic resonance imaging
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PID: 10215472, COI: 1:STN:280:DyaK1M7ktVSnsw%3D%3D, A computerized method for evaluating the severity and extent of muscle inflammation was designed and may prove to be suitable for routine analyses. This partially automated computer program analyzes the MRI STIR images and provides a histogram of signal intensities for distinguishing between normal subjects and mild or moderate/severe disease. The accuracy of the program was verified by comparison with visual analyses of a radiologist; the method was subsequently used for evaluations a clinical trial
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Bartlett ML, Ginn L, Beitz L, et al.: Quantitative assessment of myositis in thigh muscles using magnetic resonance imaging. Magn Reson Imaging 1999, 17:183–191. A computerized method for evaluating the severity and extent of muscle inflammation was designed and may prove to be suitable for routine analyses. This partially automated computer program analyzes the MRI STIR images and provides a histogram of signal intensities for distinguishing between normal subjects and mild or moderate/severe disease. The accuracy of the program was verified by comparison with visual analyses of a radiologist; the method was subsequently used for evaluations in a clinical trial. DOI: 10.1016/S0730-725X(98)00092-7
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Magn Reson Imaging
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PID: 8333378, COI: 1:STN:280:DyaK3szisFGhtg%3D%3D, Statistically significant correlations between MRI abnormalities and muscle strength are documented for juvenile dermatomyositis patients
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Hernandez RJ, Sullivan DB, Chenevert TL, Keim DR: MR imaging in children with dermatomyositis: musculoskeletal findings and correlation with clinical and laboratory findings. AJR Am J Roentgenol 1993, 161:359–366. Statistically significant correlations between MRI abnormalities and muscle strength are documented for juvenile dermatomyositis patients.
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AJR Am J Roentgenol
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0033884091
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Magnetic resonance imaging detection of occult skin and subcutaneous abnormalities in juvenile dermatomyositis
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PID: 10943878, COI: 1:STN:280:DC%2BD3cvisVamsg%3D%3D, MRI STIR sequences were used to quantitatively study inflammation the subcutaneous fat, skin, and muscles of patients with JDM. Areas of inflammation the subcutaneous fat were associated with calciis some patients, suggesting that treatment of subcutaneous edema may prevent or reduce the formation of calcifications. STIR MRI muscle scores were statistically correlated with global disease activity scores
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Kimball AB, Summers RM, Turner M, et al.: Magnetic resonance imaging detection of occult skin and subcutaneous abnormalities in juvenile dermatomyositis. Arthritis Rheum 2000, 43:1866–1873. MRI STIR sequences were used to quantitatively study inflammation in the subcutaneous fat, skin, and muscles of patients with JDM. Areas of inflammation in the subcutaneous fat were associated with calcinosis in some patients, suggesting that treatment of subcutaneous edema may prevent or reduce the formation of calcifications. STIR MRI muscle scores were statistically correlated with global disease activity scores. DOI: 10.1002/1529-0131(200008)43:8<1866::AID-ANR24>3.0.CO;2-6
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PID: 7944512, COI: 1:STN:280:DyaK2M%2FjtFWqtA%3D%3D, This paper shows the utility of MRI and ultrasound for the accurate diagis of amyopathic dermatomyositis. Although ultrasound examinations were simpler and more cost effective, MRI was more sensitive and specific. Confident diagis of amyopathic DM is important for therapeutic planning
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0034119420
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Idiopathic inflammatory muscle disease: clinical aspects
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COI: 1:STN:280:DC%2BD3cvot1Wqtg%3D%3D, Inflammatory muscle diseases are characterized this detailed, comprehensive review that should be of great interest to clinicians and investigators
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Rider LG, Miller FW: Idiopathic inflammatory muscle disease: clinical aspects. Bailliere’s Clin Rheumatol 2000, 14:37–54. Inflammatory muscle diseases are characterized in this detailed, comprehensive review that should be of great interest to clinicians and investigators. DOI: 10.1053/berh.1999.0076
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(2000)
Bailliere’s Clin Rheumatol
, vol.14
, pp. 37-54
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Rider, L.G.1
Miller, F.W.2
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39
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0028876078
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Evaluation of muscle diseases using artificial Neural Network analyses of P-31 MR spectroscopy data
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PID: 8544686, COI: 1:STN:280:DyaK287jtVKhsA%3D%3D, Artificial neural networks were designed to analyze metabolic P-31 MRS data to accurately classify DM and amyopathic DM patients. The levels of biochemical compounds muscles (ATP, phosphocreatine, inorganic phosphate, and phosphodiesters) were weighted repeatedly and simultaneously by the computerized network, resulting a classification of patients on a quantitative percentage basis. The simultaneous weighting of biochemical compounds by the network also affords a quantitative method for longitudinal analysis of immuuppressive therapy
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Kari S, Olsen NJ, Park JH: Evaluation of muscle diseases using artificial Neural Network analyses of P-31 MR spectroscopy data. Magn Reson Med 1995, 34:664–672. Artificial neural networks were designed to analyze metabolic P-31 MRS data to accurately classify DM and amyopathic DM patients. The levels of biochemical compounds in muscles (ATP, phosphocreatine, inorganic phosphate, and phosphodiesters) were weighted repeatedly and simultaneously by the computerized network, resulting in a classification of patients on a quantitative percentage basis. The simultaneous weighting of biochemical compounds by the network also affords a quantitative method for longitudinal analysis of immunosuppressive therapy. DOI: 10.1002/mrm.1910340504
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(1995)
Magn Reson Med
, vol.34
, pp. 664-672
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Kari, S.1
Olsen, N.J.2
Park, J.H.3
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40
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0031595011
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Analysis of P-31 MR spectroscopy data using artificial neural networks for longitudinal evaluation of muscle diseases: dermatomyositis
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PID: 9719579, COI: 1:STN:280:DyaK1czosVSrtg%3D%3D
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Park JH, Kari S, King LE, Olsen NJ: Analysis of P-31 MR spectroscopy data using artificial neural networks for longitudinal evaluation of muscle diseases: dermatomyositis. NMR Biomed 1998, 11:245–256. DOI: 10.1002/(SICI)1099-1492(199806/08)11:4/5<245::AID-NBM513>3.0.CO;2-4
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NMR Biomed
, vol.11
, pp. 245-256
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Park, J.H.1
Kari, S.2
King, L.E.3
Olsen, N.J.4
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41
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0030864618
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Magnetic resonance imaging of skeletal muscles in polymyositis
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PID: 9342167, COI: 1:STN:280:DyaK1c%2FgtVaitg%3D%3D
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Fujitake J, Ishikawa Y, Fujii H, et al.: Magnetic resonance imaging of skeletal muscles in polymyositis. Muscle Nerve 1997, 20:1463–1467. DOI: 10.1002/(SICI)1097-4598(199711)20:11<1463::AID-MUS18>3.0.CO;2-2
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Muscle Nerve
, vol.20
, pp. 1463-1467
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Fujitake, J.1
Ishikawa, Y.2
Fujii, H.3
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42
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0028219099
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Magnetic resonance imaging of skeletal muscles in idiopathic inflammatory myopathies of adults
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PID: 8006684, COI: 1:STN:280:DyaK2c3nsFGjtA%3D%3D
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Reimers CD, Schedel H, Fleckenstein JL, et al.: Magnetic resonance imaging of skeletal muscles in idiopathic inflammatory myopathies of adults. J Neurol 1994, 241:306–314. DOI: 10.1007/BF00868438
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Reimers, C.D.1
Schedel, H.2
Fleckenstein, J.L.3
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43
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0021176654
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Monoclonal antibody analysis of mononuclear cells in myopathies, I: Quantitation of subsets according to diagnosis and site of accumulation and counts of muscle fibers invaded by T cells
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PID: 6383191, COI: 1:STN:280:DyaL2czgsFOgsQ%3D%3D
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Arahata K, Engel AG: Monoclonal antibody analysis of mononuclear cells in myopathies, I: Quantitation of subsets according to diagnosis and site of accumulation and counts of muscle fibers invaded by T cells. Ann Neurol 1984, 16:193–208. DOI: 10.1002/ana.410160206
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Arahata, K.1
Engel, A.G.2
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44
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0026575135
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Fat-suppressed MRI of myositis
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PID: 1727285, COI: 1:STN:280:DyaK38%2FotVOjtw%3D%3D
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Hernandez RJ, Keim DR, Chenevert TL, Sullivan DB, Aisen AM: Fat-suppressed MRI of myositis. Radiology 1992, 182:217–219.
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Radiology
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Hernandez, R.J.1
Keim, D.R.2
Chenevert, T.L.3
Sullivan, D.B.4
Aisen, A.M.5
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45
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0030296932
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Calf enlargement in neuromuscular diseases: a quantitative ultrasound study in 350 patients and review of the literature
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PID: 8981297, COI: 1:STN:280:DyaK2s7jsFOlsg%3D%3D
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Reimers CD, Schlotter B, Eicke BM, Witt TN: Calf enlargement in neuromuscular diseases: a quantitative ultrasound study in 350 patients and review of the literature. J Neurol Sci 1996, 143:46–56. DOI: 10.1016/S0022-510X(96)00037-8
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Reimers, C.D.1
Schlotter, B.2
Eicke, B.M.3
Witt, T.N.4
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46
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0026581918
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P-31 magnetic resonance spectroscopy in polymyositis and dermatomyositis
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PID: 1734909, COI: 1:CAS:528:DyaK38XhvFajsbc%3D
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Newman ED, Kurland RJ: P-31 magnetic resonance spectroscopy in polymyositis and dermatomyositis. Arthritis Rheum 1992, 35:199–202. DOI: 10.1002/art.1780350212
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(1992)
Arthritis Rheum
, vol.35
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Newman, E.D.1
Kurland, R.J.2
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47
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0010302842
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Distinct patterns of muscle involvement in dermatomyositis and polymyositis as characterized by magnetic resonance imaging and spectroscopy
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Olsen NJ, Vital TL, Schulman M, et al.: Distinct patterns of muscle involvement in dermatomyositis and polymyositis as characterized by magnetic resonance imaging and spectroscopy. Arthritis Rheum 1992, 35:87.
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Arthritis Rheum
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Olsen, N.J.1
Vital, T.L.2
Schulman, M.3
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48
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85134836016
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MR imaging and P-31 MR spectroscopy for quantitative comparison of inflammatory myopathies: dermatomyositis, polymyositis, and inclusion body myositis
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Park JH, Olsen NJ, Vital T, Gilpin L, Price RR: MR imaging and P-31 MR spectroscopy for quantitative comparison of inflammatory myopathies: dermatomyositis, polymyositis, and inclusion body myositis. Radiology 1992, 185:322.
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Park, J.H.1
Olsen, N.J.2
Vital, T.3
Gilpin, L.4
Price, R.R.5
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49
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0030989460
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Magnetic resonance imaging of the forearm as a diagnostic aid in patients with sporadic inclusion body myositis
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PID: 9109868, COI: 1:STN:280:DyaK2s3mtl2qtA%3D%3D, An MRI study of the upper extremities of patients with IBM demonstrated abnormalities the flexor digitorum profundus of 20 of 21 patients. Fat replacement and occasional inflammation correlated with disease severity, not duration. This finding of selective muscle involvement suggests that MR imaging of the forearm may be useful early diagis of IBM
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Sekul EA, Chow C, Dalakas MC: Magnetic resonance imaging of the forearm as a diagnostic aid in patients with sporadic inclusion body myositis. Neurology 1997, 48:863–866. An MRI study of the upper extremities of patients with IBM demonstrated abnormalities in the flexor digitorum profundus of 20 of 21 patients. Fat replacement and occasional inflammation correlated with disease severity, not duration. This finding of selective muscle involvement suggests that MR imaging of the forearm may be useful in early diagnosis of IBM.
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(1997)
Neurology
, vol.48
, pp. 863-866
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Sekul, E.A.1
Chow, C.2
Dalakas, M.C.3
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50
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0029826654
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The spectrum of familial inclusion body myopathies in 13 families and a description of a quadriceps-sparing phenotype non-Iranian Jews
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In hereditary IBM of certain non-Iranian Jews, there was a unique sparing of the quadriceps muscle. This selective sparing is not understood but interesting because most IBM patients, involvement of the anterior muscles of the thigh is a characteristic of the disease
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Sirakumar K, Dalakas MC: The spectrum of familial inclusion body myopathies in 13 families and a description of a quadriceps-sparing phenotype non-Iranian Jews. Neurology 1996, 47:977–984. In hereditary IBM of certain non-Iranian Jews, there was a unique sparing of the quadriceps muscle. This selective sparing is not understood but interesting because in most IBM patients, involvement of the anterior muscles of the thigh is a characteristic of the disease.
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(1996)
Neurology
, vol.47
, pp. 977-984
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Sirakumar, K.1
Dalakas, M.C.2
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51
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0031769009
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Normal in vivo skeletal muscle oxidative metabolism in sporadic inclusion body myositis assessed by 31P-magnetic resonance spectroscopy
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PID: 9827771, the muscles of patients with IBM, low levels of phosphocreatine (PCr) along with high levels of inorganic phosphate (Pi) and ADP are consistent with muscle atrophy and weakness. However, the resynthesis and recovery of PCr after exercise were normal, indicating that mitochondrial oxidative phosphorylation was not altered. contrast, mitochondrial function and PCr resynthesis are defective during exercise and recovery iand JDM
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Lodi R, Taylor DJ, Tabrizi SJ, et al.: Normal in vivo skeletal muscle oxidative metabolism in sporadic inclusion body myositis assessed by 31P-magnetic resonance spectroscopy. Brain 1998, 121:2119–2126. In the muscles of patients with IBM, low levels of phosphocreatine (PCr) along with high levels of inorganic phosphate (Pi) and ADP are consistent with muscle atrophy and weakness. However, the resynthesis and recovery of PCr after exercise were normal, indicating that mitochondrial oxidative phosphorylation was not altered. In contrast, mitochondrial function and PCr resynthesis are defective during exercise and recovery in DM and JDM. DOI: 10.1093/brain/121.11.2119
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(1998)
Brain
, vol.121
, pp. 2119-2126
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Lodi, R.1
Taylor, D.J.2
Tabrizi, S.J.3
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52
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0031715036
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Intracellular phosphates in inclusion body myositis: a 31P magnetic resonance spectroscopy study
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PID: 9771678, COI: 1:CAS:528:DyaK1MXisFOgsrc%3D
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Argov Z, Taivassalo T, Destefano N, et al.: Intracellular phosphates in inclusion body myositis: a 31P magnetic resonance spectroscopy study. Muscle Nerve 1998, 21:1523–1525. DOI: 10.1002/(SICI)1097-4598(199811)21:11<1523::AID-MUS22>3.0.CO;2-#
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(1998)
Muscle Nerve
, vol.21
, pp. 1523-1525
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Argov, Z.1
Taivassalo, T.2
Destefano, N.3
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55
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0028200208
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Diagnosis of inflammatory myopathy by percutaneous needle biopsy with demonstration of the focal nature of myositis
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PID: 8178775, COI: 1:STN:280:DyaK2c3jsVSqsg%3D%3D
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Haddad MG, West RL, Treadwell EL, Fraser DD: Diagnosis of inflammatory myopathy by percutaneous needle biopsy with demonstration of the focal nature of myositis. Am J Clin Pathol 1994, 101:661–664.
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Haddad, M.G.1
West, R.L.2
Treadwell, E.L.3
Fraser, D.D.4
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