Hemant Parmar

Summary

Affiliation: University of Michigan
Country: USA

Publications

  1. doi request reprint Pediatric intracranial infections
    Hemant Parmar
    Division of Neuroradiology, Department of Radiology, University of Michigan Health System, Ann Arbor, MI 48109 0302, USA
    Neuroimaging Clin N Am 22:707-25. 2012
  2. doi request reprint Imaging of congenital brain tumors
    Hemant A Parmar
    Department of Radiology, University of Michigan, Ann Arbor, MI 48109 0302, USA
    Semin Ultrasound CT MR 32:578-89. 2011
  3. doi request reprint Neuroradiologic applications of dynamic MR angiography at 3 T
    Hemant Parmar
    Department of Radiology, University of Michigan Health System, 1500 East Medical Center Drive, Ann Arbor, MI 48109 5030, USA
    Magn Reson Imaging Clin N Am 17:63-75. 2009
  4. doi request reprint Imaging of the anterior skull base
    Hemant Parmar
    Department of Radiology, University of Michigan Health System, Ann Arbor, MI 48109, USA
    Neuroimaging Clin N Am 19:427-39. 2009
  5. doi request reprint Dynamic MRA with four-dimensional time-resolved angiography using keyhole at 3 tesla in head and neck vascular lesions
    Hemant Parmar
    Department of Radiology, University of Michigan Health System, Ann Arbor, Michigan 48109 0302, USA
    J Neuroophthalmol 29:119-27. 2009
  6. doi request reprint Extrathyroidal manifestations of thyroid disease: thyroid ophthalmopathy
    Hemant Parmar
    Department of Radiology, University of Michigan Health System, University of Michigan, Ann Arbor, MI 48109 0302, USA
    Neuroimaging Clin N Am 18:527-36, viii-ix. 2008
  7. doi request reprint Imaging of idiopathic spinal cord herniation
    Hemant Parmar
    Department of Radiology, University of Michigan Health System, 1500 E Medical Center Dr, Ann Arbor, MI 48109 0302, USA
    Radiographics 28:511-8. 2008
  8. ncbi request reprint Pictorial essay: diverse imaging features of spinal schwannomas
    Hemant A Parmar
    Department of Radiology, University of Michigan, Ann Arbor, MI 48105, USA
    J Comput Assist Tomogr 31:329-34. 2007
  9. ncbi request reprint Restricted diffusion of the superior and inferior ophthalmic veins in cavernous sinus thrombosis
    Lindsey B De Lott
    Department of Ophthalmology, University of Michigan, Ann Arbor, Michigan, USA
    J Neuroophthalmol 33:268-70. 2013
  10. ncbi request reprint Giant tumefactive perivascular spaces
    Tausha Stephens
    Department of Radiology, University of Michigan Health System, Ann Arbor, Michigan 48109 0302, USA
    J Neurol Sci 266:171-3. 2008

Collaborators

Detail Information

Publications31

  1. doi request reprint Pediatric intracranial infections
    Hemant Parmar
    Division of Neuroradiology, Department of Radiology, University of Michigan Health System, Ann Arbor, MI 48109 0302, USA
    Neuroimaging Clin N Am 22:707-25. 2012
    ..This article reviews some of the common types of pediatric infections, starting with the congenital (or in utero) infections followed by bacterial infections of the meninges and brain parenchyma...
  2. doi request reprint Imaging of congenital brain tumors
    Hemant A Parmar
    Department of Radiology, University of Michigan, Ann Arbor, MI 48109 0302, USA
    Semin Ultrasound CT MR 32:578-89. 2011
    ..In this article, we review the most common intracranial tumors encountered in very young children, with emphasis on their imaging features...
  3. doi request reprint Neuroradiologic applications of dynamic MR angiography at 3 T
    Hemant Parmar
    Department of Radiology, University of Michigan Health System, 1500 East Medical Center Drive, Ann Arbor, MI 48109 5030, USA
    Magn Reson Imaging Clin N Am 17:63-75. 2009
    ....
  4. doi request reprint Imaging of the anterior skull base
    Hemant Parmar
    Department of Radiology, University of Michigan Health System, Ann Arbor, MI 48109, USA
    Neuroimaging Clin N Am 19:427-39. 2009
    ..A brief review of normal anatomy and imaging techniques is followed by a discussion about common neoplastic and non-neoplastic pathologies involving this region...
  5. doi request reprint Dynamic MRA with four-dimensional time-resolved angiography using keyhole at 3 tesla in head and neck vascular lesions
    Hemant Parmar
    Department of Radiology, University of Michigan Health System, Ann Arbor, Michigan 48109 0302, USA
    J Neuroophthalmol 29:119-27. 2009
    ....
  6. doi request reprint Extrathyroidal manifestations of thyroid disease: thyroid ophthalmopathy
    Hemant Parmar
    Department of Radiology, University of Michigan Health System, University of Michigan, Ann Arbor, MI 48109 0302, USA
    Neuroimaging Clin N Am 18:527-36, viii-ix. 2008
    ..This article reviews the basic pathology and pathophysiology of the disease and describes the extensive imaging findings on CT and MR imaging. The differential diagnosis of thyroid ophthalmopathy is reviewed...
  7. doi request reprint Imaging of idiopathic spinal cord herniation
    Hemant Parmar
    Department of Radiology, University of Michigan Health System, 1500 E Medical Center Dr, Ann Arbor, MI 48109 0302, USA
    Radiographics 28:511-8. 2008
    ....
  8. ncbi request reprint Pictorial essay: diverse imaging features of spinal schwannomas
    Hemant A Parmar
    Department of Radiology, University of Michigan, Ann Arbor, MI 48105, USA
    J Comput Assist Tomogr 31:329-34. 2007
    ..We present imaging findings in these cases and review their differential diagnosis. Awareness of the uncommon presentations of these seemingly common tumors is important in offering a correct diagnosis...
  9. ncbi request reprint Restricted diffusion of the superior and inferior ophthalmic veins in cavernous sinus thrombosis
    Lindsey B De Lott
    Department of Ophthalmology, University of Michigan, Ann Arbor, Michigan, USA
    J Neuroophthalmol 33:268-70. 2013
    ..The orbital vascular imaging findings added support to the cavernous sinus findings in making the diagnosis of CST. Diffusion-weighted imaging of the orbit is a valuable asset in this setting...
  10. ncbi request reprint Giant tumefactive perivascular spaces
    Tausha Stephens
    Department of Radiology, University of Michigan Health System, Ann Arbor, Michigan 48109 0302, USA
    J Neurol Sci 266:171-3. 2008
    ..These lesions can actually be quite large and ominous appearing and many proceed to biopsy unnecessarily...
  11. doi request reprint Restricted diffusion in the superior ophthalmic vein and cavernous sinus in a case of cavernous sinus thrombosis
    Hemant Parmar
    Department of Radiology, Division of Neuroradiology, University of Michigan Health System, Ann Arbor, Michigan, USA
    J Neuroophthalmol 29:16-20. 2009
    ..These diffusion imaging findings, which may be analogous to those reported with brain parenchymal hematoma, have been described sparingly in intravascular hematoma...
  12. doi request reprint Perineural spread of cancer along the three trigeminal divisions
    Kara F Warden
    Department of Ophthalmology and Visual Sciences, Kellogg Eye Center, University of Michigan Medical Center, Ann Arbor, Michigan 48109, USA
    J Neuroophthalmol 29:300-7. 2009
    ..Although perineural spread is often associated with a poor prognosis, earlier detection may improve outcome...
  13. doi request reprint Horner syndrome associated with contusion of the longus colli muscle simulating a tumor
    Mohannad Ibrahim
    Department of Radiology Neuroradiology, University of Michigan Medical System, Ann Arbor, Michigan 48109, USA
    J Neuroophthalmol 30:70-2. 2010
    ..Whether it caused the Horner syndrome or was merely a bystander in cervical neck trauma is uncertain. This abnormality should be recognized as a diagnostic confounder...
  14. ncbi request reprint Spread of infection to Virchow-Robin spaces in a patient with Streptococcus pneumoniae meningitis
    Michael Gordon
    Division of Neuroradiology, Department of Radiology, University of Michigan Health System, Ann Arbor, MI, USA
    J Comput Assist Tomogr 33:562-4. 2009
    ..A follow-up magnetic resonance imaging showed evolution of these microabscesses with contrast enhancement that ultimately resolved with antibiotics...
  15. doi request reprint Diffusion-weighted MRI identifies petrous apex abscess in Gradenigo syndrome
    Mohannad Ibrahim
    Department of Radiology Neuroradiology, University of Michigan Medical System, Ann Arbor, Michigan 48109, USA
    J Neuroophthalmol 30:34-6. 2010
    ..The patient was successfully treated with broad-spectrum antibiotics. This is the first report demonstrating the use of diffusion-weighted imaging in Gradenigo syndrome...
  16. doi request reprint Imaging of focal amyloid depositions in the head, neck, and spine: amyloidoma
    Hemant Parmar
    Department of Radiology, University of Michigan Health System, Ann Arbor, Michigan 48109 0302, USA
    AJNR Am J Neuroradiol 31:1165-70. 2010
    ..In this review, we describe the imaging features of amyloidomas involving the intracranial compartment, head and neck, and spine. We also discuss the differential diagnosis and briefly review the pertinent literature...
  17. doi request reprint A "first cut" at interpreting brain mri signal intensities: what's white, what's black, and what's gray
    Hemant Parmar
    Department of Radiology Neuroradiology, Kellogg Eye Center, University of Michigan Health System, Ann Arbor, Michigan 48105, USA
    J Neuroophthalmol 30:91-3. 2010
    ..We have formulated this task as a 2 x 2 table...
  18. ncbi request reprint Imaging nuances of perineural spread of head and neck malignancies
    Mohannad Ibrahim
    Department of Radiology, Division of Neuroradiology, University of Michigan Health System, Ann Arbor, Michigan, USA
    J Neuroophthalmol 27:129-37. 2007
    ....
  19. doi request reprint Cervical dissections: diagnosis, management, and endovascular treatment
    Sameer A Ansari
    Department of Radiology, University of Chicago Medical Center, Chicago, IL 60637, USA
    Neuroimaging Clin N Am 19:257-70, Table of Contents. 2009
    ..Furthermore, we provide a detailed technical review on endovascular stent reconstruction, the primary interventional option for symptomatic cervical dissections and dissecting aneurysms refractory to medical management...
  20. doi request reprint Developmental venous anomaly with symptomatic thrombosis of the draining vein
    Michael Walsh
    Department of Radiology, University of Michigan Health System, Ann Arbor, Michigan, USA
    J Neurosurg 109:1119-22. 2008
    ..One patient presented with a nonhemorrhagic transient ischemia, which was successfully treated with anticoagulant therapy. The second patient presented with ischemia complicated by hemorrhagic conversion...
  21. doi request reprint Subretinal abscess causing restricted diffusion on magnetic resonance imaging
    Crandall Peeler
    Departments of Ophthalmology and Visual Science, Kellogg Eye Center CP, JDT, Radiology, Division of Neuroradiology HP, and Neurology JDT, University of Michigan, Ann Arbor, MI
    J Neuroophthalmol 33:354-8. 2013
    ..Restricted diffusion of water molecules on diffusion-weighted magnetic resonance imaging most commonly associated with acute stroke, has also been described in brain abscess. It has been reported in only one case of sub-retinal abscess...
  22. doi request reprint Homonymous hemianopia from infarction of the optic tract and lateral geniculate nucleus in deep cerebral venous thrombosis
    Hilary M Grabe
    Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, MI, USA
    J Neuroophthalmol 32:38-41. 2012
    ..Homonymous hemianopia has previously been described in 1 case after deep cerebral venous thrombosis but without detailed neuroimaging features...
  23. doi request reprint Primary carcinoid tumor of the skull base: case report and review of the literature
    Mohannad Ibrahim
    Department of Radiology, University of Michigan Health System, Ann Arbor, MI 48109 0302, USA
    J Neuroimaging 20:390-2. 2010
    ..We present the salient magnetic resonance imaging features of this rare tumor, describe their characteristic nuclear medicine findings, and briefly review the literature...
  24. ncbi request reprint Hemimegalencephaly with tuberous sclerosis: a longitudinal imaging study
    Hemant Parmar
    Department of Radiology, King Edward VII Memorial Hospital, Bombay, India
    Australas Radiol 47:438-42. 2003
    ..The white-matter lesions were better seen in the neonatal period, whereas cortical tubers were better detected at a later age...
  25. ncbi request reprint CT and picture archiving and communication systems: Radiology response to the SARS outbreak
    C C Tchoyoson Lim
    Radiology 228:901. 2003
  26. ncbi request reprint Spinal schwannoma with acute subarachnoid hemorrhage: a diagnostic challenge
    Hemant Parmar
    Department of Neuroradiology, National Neuroscience Institute, Singapore, Republic of Singapore
    AJNR Am J Neuroradiol 25:846-50. 2004
    ..This case illustrates the importance of a high index of suspicion for spinal disease in angiographically-negative subarachnoid hemorrhage and pitfalls in MR diagnosis of thoraco-lumbar tumors...
  27. ncbi request reprint Tuberculous arthritis of the appendicular skeleton: MR imaging appearances
    Hemant Parmar
    Department of Radiology, King Edward VII Memorial Hospital, Mumbai, India
    Eur J Radiol 52:300-9. 2004
    ..We present the various pathological manifestations of TB arthritis involving the different joints of appendicular skeleton and discuss their MR imaging appearances...
  28. ncbi request reprint Petrified ears in a patient with Keutel syndrome: temporal bone CT findings
    Hemant Parmar
    Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave, Toronto, Ontario M5G 1X8, Canada
    Pediatr Radiol 36:241-3. 2006
    ..Confirmation was obtained by mutation analysis...
  29. ncbi request reprint Imaging findings in primary intracranial atypical teratoid/rhabdoid tumors
    Hemant Parmar
    Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave, Toronto, Ontario M5G 1X8, Canada
    Pediatr Radiol 36:126-32. 2006
    ..Imaging features are often considered non-specific. However, correct diagnosis of AT/RT is important because these tumors have a markedly different clinical prognosis and require more aggressive therapy...
  30. ncbi request reprint Cervical schwannoma presenting as an expansile vertebral body lesion: report of two cases with a technical note on the surgical management
    Manoj D Singrakhia
    Spinal Program, University Health Network, Toronto, Canada MST 258
    Surg Neurol 66:192-6; discussion 196. 2006
    ....
  31. ncbi request reprint Acute tuberculous abscess of the thyroid gland
    Hemant Parmar
    Department of Radiology, King Edward VII Memorial Hospital, Parel, India
    Australas Radiol 46:186-8. 2002
    ..We describe the pathology of the disease and the imaging findings with their differential diagnosis...