P C Sundgren
Affiliation: University of Michigan
- Differentiation of recurrent brain tumor versus radiation injury using diffusion tensor imaging in patients with new contrast-enhancing lesionsPia C Sundgren
Department of Radiology, University of Michigan Health Systems, Ann Arbor, MI 48109 0030, USA
Magn Reson Imaging 24:1131-42. 2006....
- Spinal traumaPia C Sundgren
Department of Radiology, University of Michigan Health Systems, 1500 East Medical Center Drive, Ann Arbor, MI 48104, USA
Neuroimaging Clin N Am 17:73-85. 2007..The liberal use of MR imaging is recommended to assess for injuries to soft tissue, the spine and its contents, intervertebral discs, and ligaments...
- Serial investigation of perfusion disturbances and vasogenic oedema in hypertensive encephalopathy by diffusion and perfusion weighted imagingP C Sundgren
Department of Diagnostic Radiology, University Hospital of Lund, Sweden
Neuroradiology 44:299-304. 2002..The clinical symptoms disappeared rapidly following treatment, whereas the disturbed circulation pattern and vasogenic oedema resolved more slowly. A complete normalisation was seen after 1 year...
- Diffusion-weighted and diffusion tensor imaging in fibromyalgia patients: a prospective study of whole brain diffusivity, apparent diffusion coefficient, and fraction anisotropy in different regions of the brain and correlation with symptom severityPia C Sundgren
Department of Radiology, University of Michigan, 1500 E Medical Center Drive, Ann Arbor, MI 48109 0030, USA
Acad Radiol 14:839-46. 2007
- Value of conventional, and diffusion- and perfusion weighted MRI in the management of patients with unclear cerebral pathology, admitted to the intensive care unitP C Sundgren
Department of Radiology, Lund University Hospital, Lund, Sweden
Neuroradiology 44:674-80. 2002..This study suggests that MRI in seriously ill ICU patients with unclear cerebral pathology can provide information that changes, characterizes, or supports diagnoses and/or prognoses and therefore facilitates further management...
- MRI and 2D-CSI MR spectroscopy of the brain in the evaluation of patients with acute onset of neuropsychiatric systemic lupus erythematosusP C Sundgren
Department of Radiology, Division of Neuroradiology, University of Michigan Health Systems, Ann Arbor, MI 48104, USA
Neuroradiology 47:576-85. 2005..Future studies are needed comparing NP-SLE patients with active CNS involvement with those inactive disease...
- Diffusion tensor imaging of the brain: review of clinical applicationsP C Sundgren
Department of Radiology, University of Michigan Health System, 1500 E Medical Center Drive, Ann Arbor, MI 48109 0030, USA
Neuroradiology 46:339-50. 2004..We also review its potential use in diseases such as epilepsy, multiple sclerosis, and Alzheimer's disease. The value of DTI in the investigation of brain tumors and metabolic disorders is assessed...
- Cerebral blood flow alterations in pain-processing regions of patients with fibromyalgia using perfusion MR imagingB R Foerster
Division of Neuroradiology, University of Michigan, Ann Arbor, 48109 5030, USA
AJNR Am J Neuroradiol 32:1873-8. 2011..The purpose of this study was to assess alterations in perfusion as measured by DSC in a number of brain regions implicated in pain processing between patients with FM and healthy controls...
- Diffusion tensor imaging in patients with acute onset of neuropsychiatric systemic lupus erythematosus: a prospective study of apparent diffusion coefficient, fractional anisotropy values, and eigenvalues in different regions of the brainM Hughes
Department of Radiology, School of Public Health, University of Michigan Health Systems, Ann Arbor, Michigan 48109, USA
Acta Radiol 48:213-22. 2007..To investigate whether apparent diffusion coefficient (ADC), fractional anisotropy (FA), and eigenvalues in neuropsychiatric systemic lupus erythematosus (NPSLE) patients differ from those of healthy controls...
- Posterior insular molecular changes in myofascial painG E Gerstner
Department of Biologic and Materials Sciences, School of Dentistry, 1011 N University Ave, University of Michigan, Ann Arbor, MI 48109 1078, USA
J Dent Res 91:485-90. 2012..The results suggest that significant central cellular and molecular changes can occur in individuals with TMD...
- MR spectroscopy in the evaluation of recurrent contrast-enhancing lesions in the posterior fossa after tumor treatmentP Weybright
Department of Radiology, Neuroradiology Division, University of Michigan Hospitals, 1500 E Medical Center Drive, Ann Arbor, MI 48109 0030, USA
Neuroradiology 46:541-9. 2004..In most cases spectra of diagnostic quality can be obtained using 2D-CSI to include coverage of both the lesion and its vicinity...
- Proton MR spectroscopy in the evaluation of cerebral metabolism in patients with fibromyalgia: comparison with healthy controls and correlation with symptom severityM Petrou
Department of Radiology, Division of Neuroradiology, University of Michigan Hospitals, 1500 E Medical Center Dr, Ann Arbor, MI 48109 0030, USA
AJNR Am J Neuroradiol 29:913-8. 2008..The purpose of this study was to test these hypotheses using proton MR spectroscopy ((1)H-MR spectroscopy)...
- Metabolic alterations: a biomarker for radiation-induced normal brain injury-an MR spectroscopy studyP C Sundgren
Department of Radiology, University of Michigan University Health Systems, Ann Arbor, Michigan 48109, USA
J Magn Reson Imaging 29:291-7. 2009..To assess if interval changes in metabolic status in normal cerebral tissue after radiation therapy (RT) can be detected by 2D CSI (chemical shift imaging) proton spectroscopy...
- Value of MRI of the brain in patients with systemic lupus erythematosus and neurologic disturbanceJ E Jennings
Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 East Medical Center Drive, Ann Arbor 48109, USA
Neuroradiology 46:15-21. 2004..More sensitive and/or specific imaging methods, such as spectroscopy and perfusion-weighted imaging, should be investigated in these subgroups of patients with suspected NP-SLE...
- The value of b required to avoid T2 shine-through from old lucunar infarcts in diffusion-weighted imagingB Geijer
Department of Radiology, University Hospital, Lund, Sweden
Neuroradiology 43:511-7. 2001..For imagers up to 1.5 tesla, at long repetition times and an echo time up to 120 ms T2-shine through of old lacunar infarcts can be avoided using b of 1,000 x 10(6) s/m2...
- MR spectroscopy in radiation injuryP C Sundgren
Division of Neuroradiology, Department of Radiology, University of Michigan Health Systems, 1500 E Medical Center Drive, Ann Arbor, MI 48109, USA
AJNR Am J Neuroradiol 30:1469-76. 2009..The purpose of this article was to review the utility of one of the newer MR imaging techniques, MR spectroscopy, to distinguish recurrent tumor from radiation necrosis or radiation injury...
- Intracranial infections: clinical and imaging characteristicsB R Foerster
Department of Radiology, University of Michigan Medical Center, Ann Arbor, Michigan, USA
Acta Radiol 48:875-93. 2007..Magnetic resonance spectroscopy (MRS) characteristics for several infections are also discussed...
- Magnetic resonance imaging and histopathology in dementia, clinically of frontotemporal typeE Larsson
Department of Radiology, University Hospital, Lund, Sweden
Dement Geriatr Cogn Disord 11:123-34. 2000..MRI could be a helpful tool to support the clinical diagnosis FTD, especially in young patients. MRI may also be helpful for the differentiation of a primary neurodegenerative from a mainly ischemic-vascular type of dementia...
- Perfusion Weighted MR Imaging may Differentiate Primary CNS Lymphoma from other Homogeneously Enhancing Brain TumorsK Abul-Kasim
Department of Radiology, Section of Neuroradiology, University of Lund, Malmö University Hospital Malmö, Sweden
Neuroradiol J 21:637-44. 2008..All lymphomas had rrCBVratio < 1.43 while all GBM and metastases had rrCBVratio > 1.43 (Fischer exact test; p < 0.001). PWI may be a valuable method in differentiating homogenously enhancing PCNSL from GBM and metastases. ..
- Carotid artery stenosis: contrast-enhanced MR angiography with two different scan times compared with digital subtraction angiographyP C Sundgren
Department of Radiology, University Hospital, 221 85 Lund, Sweden
Neuroradiology 44:592-9. 2002..CE MRA, preferably with a scan time of 28 s, can replace DSA in the preoperative assessment of most patients with carotid artery stenosis...
- Magnetic resonance spectroscopySachin K Gujar
Department of Radiology, University of Michigan Health System, Ann Arbor, MI 48109, USA, and Department of Imaging, Jaslok Hospital and Medical Research Center, 15, Dr G Deshmukh road, Mumbai 400026, India
J Neuroophthalmol 25:217-26. 2005..MRS may also be helpful in the differentiation of high grade from low grade brain tumors, and perhaps in separating recurrent brain neoplasm from radiation injury...
- Functional diffusion map as an early imaging biomarker for high-grade glioma: correlation with conventional radiologic response and overall survivalDaniel A Hamstra
University of Michigan, B2A209 UH 1500 East Medical Center Dr, Ann Arbor, MI 48109 0030, USA
J Clin Oncol 26:3387-94. 2008..Diffusion magnetic resonance imaging (MRI) using a functional diffusion map (fDM) may provide an earlier measure to predict patient survival...
- Dynamic levels of glutamate within the insula are associated with improvements in multiple pain domains in fibromyalgiaRichard E Harris
University of Michigan, Chronic Pain and Fatigue Research Center, Ann Arbor, MI 48106, USA
Arthritis Rheum 58:903-7. 2008..This study was carried out to investigate the relationship between changing levels of Glu within the insula and changes in multiple pain domains in patients with FM...
- Differentiation between brain tumor recurrence and radiation injury using MR spectroscopyPatrick Weybright
Department of Radiology, University of Michigan, Ann Arbor, MI 48109 0030, USA
AJR Am J Roentgenol 185:1471-6. 2005..The purpose of our study was to explore the feasibility and utility of 2D chemical shift imaging (CSI) MR spectroscopy in the evaluation of new areas of contrast enhancement at the site of a previously treated brain neoplasm...
- Brain diffusivity in patients with neuropsychiatric systemic lupus erythematosus with new acute neurological symptomsRobert C Welsh
Department of Radiology, Basic Radiological Sciences Division, University Hospital of Michigan, Ann Arbor, Michigan 48109 0553, USA
J Magn Reson Imaging 26:541-51. 2007..To investigate the source of significant difference in apparent diffusion coefficient (ADC) between patients with acute symptoms of neuropsychiatric (NP) systematic lupus erythematosus (SLE) (NPSLE) and normal controls...
- Manually adjusted versus vendor-preset definition of metabolite boundaries impact on proton metabolite ratiosMyria Petrou
Department of Radiology, University of Michigan Health System, 1500 E Medical Center Drive, Ann Arbor, MIMI 48109 0030, USA
Acad Radiol 14:340-3. 2007..The first two of these methods are commercially available...
- Physiologic and metabolic magnetic resonance imaging in gliomasYue Cao
Department of Radiation Oncology, University of Michigan, Ann Arbor, MI 48109 0010, USA
J Clin Oncol 24:1228-35. 2006..This article will focus on the potential value of MR physiologic and metabolic imaging in the clinical management of malignant gliomas...
- Diffusion imaging: insight to cell status and cytoarchitectureThomas L Chenevert
Department of Radiology, University of Michigan Health Systems, 1500 East Medical Center Drive, Ann Arbor, MI 48109, USA
Neuroimaging Clin N Am 16:619-32, viii-ix. 2006..Similarly, therapeutic intervention that alters these properties may be monitored for efficacy via diffusion MR imaging. This article outlines basic technical concepts and applications of diffusion imaging with an emphasis on oncology...
- Imaging of slow virusesMajda M Thurnher
Section of Neuroradiology Department of Radiology, Medical University of Vienna, Waehringer Guertel 18 20, 1090 Vienna, Austria
Neuroimaging Clin N Am 18:133-48; ix. 2008..This review discusses the most common slow virus infections and their imaging findings...
- Diffusion-tensor MR imaging of the brain in human immunodeficiency virus-positive patientsMajda M Thurnher
Department of Radiology, Neuroradiology Section, University Hospital Vienna, Austria
AJNR Am J Neuroradiol 26:2275-81. 2005..We hypothesize that DTI in several brain regions in human immunodeficiency virus-positive (HIV+) patients is useful in the early detection of HIV-related brain injury...
- Diffusion tensor magnetic resonance imagingVikas Gulani
Department of Radiology, University of Michigan, Ann Arbor, Michigan 48109 0030, USA
J Neuroophthalmol 26:51-60. 2006..We discuss the tensor nature of diffusion and provide an overview of how DTI offers unique information on tissue organization, water mobility, and disease states, particularly those of neuro-ophthalmologic interest...
- Value of gadolinium in brain MRI examinations for developmental delayBradley R Foerster
Department of Radiology, University of Michigan Medical Center, Ann Arbor, Michigan 48104, USA
Pediatr Neurol 35:126-30. 2006..In young children for whom developmental delay is a secondary concern, we advocate the use of gadolinium particularly where tumor or infection is clinically suspected...
- Brain glutamine by MRS in a patient with urea cycle disorder and comaJasna Kojic
Department of Pediatrics, The University of Michigan School of Medicine, Ann Arbor, MI 48109 0203, USA
Pediatr Neurol 32:143-6. 2005..We conclude that brain glutamine may be a better marker than serum ammonia for the management of urea cycle disorders, particularly in patients with prolonged mental status changes...
- High incidence of chest malignancy detected by FDG PET in patients suspected of recurrent squamous cell carcinoma of the upper aerodigestive tractAlain Perlow
Department of Radiology, University of Michigan Health System, Ann Arbor, Michigan, USA
J Comput Assist Tomogr 28:704-9. 2004..To determine the incidence of chest neoplasms detected by FDG PET in patients with previously treated squamous cell head and neck cancer (HNC), being evaluated for possible recurrent disease...
- Intradural spinal tumors: current classification and MRI featuresKasim Abul-Kasim
Department of Radiology, University Hospital of Malmo, Malmo, Sweden
Neuroradiology 50:301-14. 2008..This comprehensive review focuses on the current classification, clinical symptoms, and MRI features of the more common intradural extramedullary and intramedullary neoplastic lesions. This review does not include extradural lesions...