T2-weighted (A) and gradient-echo (T2

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Date of download: 6/6/2016 Copyright © 2016 American Medical Association. All rights reserved. From: Superficial Siderosis: Associations and Therapeutic.

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Representative anatomic T2W images (A and D) and MTR (B and E) and ihMTR (C and F) maps obtained on a control subject and a patient with RRMS after step.

Demonstration of the creation of a patient-specific brain mold for minimizing tissue distortion during fixation. Demonstration of the creation of a patient-specific.

A 20-year-old man with HD. A, Neutral axial gradient-echo image at the C5 level demonstrates subtle bilateral LOA along the lateral aspects of the lamina.

MR images in different patients with SIFs

A and B, Axial T2-weighted MR images in the AC-PC plane.

Patient 3, a 72-year-old woman with histopathologically proved CAA and a large hyperacute right frontal intracerebral macrohemorrhage (thick arrows). Patient.

A, Axial T2-weighted spine MR image from a patient with SS shows a left T12 pseudomeningocele. A, Axial T2-weighted spine MR image from a patient with.

A, Axial T2-weighted MR image shows interruption of the rim of hypointensity around the spinal cord at the site of root avulsion. A, Axial T2-weighted.

T2-weighted fast spin-echo MR images

A, Sagittal T2-weighted cervicothoracic spine MR image from a patient with intracranial hypotension shows a ventral extradural collection from C6 to T2.

Coronal SS-FSE T2-weighted image at gestational week 23 demonstrates a multilayered pattern. Coronal SS-FSE T2-weighted image at gestational week 23 demonstrates.

Representative case with region of interest on globus pallidus (arrow)

Patient 9. Patient 9. A 31-year-old man with mental status changes and seizure activity.A, T2-weighted axial MR image shows bilateral frontal and right.

A, Fluid-filled intraspinal collection anterior to the cord on an axial cut of a thoracic spine CT myelogram. A, Fluid-filled intraspinal collection anterior.

Nonenhanced sagittal T1-weighted MR image (500/11/1) in a 37-year-old woman with AIDS and chronic anemia (hemoglobin level, 8.2 mg/dL) shows diffuse abnormal.

A and B, Sagittal (A) and axial (B) T2-weighted spinal cord MR images show hemosiderin deposition along (A) and around (B) the cord surface. A and B, Sagittal.

T2-weighted images of a patient with an infarction within the anterior MCA branch territory on day 5 (patient 15) show high SI changes within the ipsilateral.

Future patient with NPH with 19 years of earlier imaging showing ventriculomegaly before symptoms of NPH. A, CT scan from 19 years earlier obtained for.

Same patient as shown in figure 3.

A and B, Axial (A) and coronal postcontrast (B) T1-weighted MR images from a patient with SS show diffuse pachymeningeal enhancement similar to that reported.

Sagittal T1-weighted (A) and coronal T2-weighted (B) MR images show the frontoparietal intracalvarial mass lesion that was hypointense on T1-(A) and hyperintense.

A, Axial CT of a patient with bilateral DON and lack of fat prolapse through the superior ophthalmic fissure. A, Axial CT of a patient with bilateral DON.

Images of a 20-year-old man who was a passenger in a traffic accident in May 1999; he had not been wearing a seat belt. Images of a 20-year-old man who.

Patient 12. Patient 12. A 43-year-old woman with headache, blurred vision, and mental status change.A, T2-weighted axial MR image shows bilateral centrum.

Axial MR image (10,002/142) obtained when the patient was aged 12 days demonstrates ventricular size and sulcal prominence have increased since the study.

MR images of patient 2 (with juvenile-onset DRPLA).

Type 1 pedicle marrow signal intensity changes associated with degenerative facet disease. Type 1 pedicle marrow signal intensity changes associated with.

Endocarditis. Endocarditis. A, Axial brain CT scan shows an isolated slight right frontal subarachnoid hyperattenuation. B, Because of clinical aggravation.

Trends in the use of head CT and advanced imaging in patients treated with IV thrombolysis from 2008 to Trends in the use of head CT and advanced.

Coronal SS-FSE T2-weighted image of a 26-week-old fetus demonstrates several hypointense nodules along the margins of both lateral ventricles (arrows).

A and B, Pre- (A1 and A2) and postoperative (B1 and B2) sagittal (A1 and B1) and axial (A2 and B2) T2-weighted MR images from a patient with SS show a.

A, A sagittal fat-saturated T2-weighted image demonstrates increased signal intensity (arrow) in the superior endplate from an acute compression fracture.

Axial T2-weighted MR imaging at the level of the internal auditory canals, demonstrating a large, homogeneous mass filling the right internal auditory.

A-I, Axial T2-weighted brain MR images from patients with SS show hemosiderin deposition along the cerebellar folia (A), vermis (B) and around the midbrain.

A, Sagittal SS-FSE T2-weighted image in a 25-gestational-week-old fetus demonstrates agenesis of the corpus callosum as well as a small pons.B, Axial SS-FSE.

Images from the case of a 31-year-old woman with a 20-year history of ataxia telangiectasia who was admitted to the hospital after complaining of dizziness,

A 7-day old neonate, the older sister of patient 1, also presented with neonatal encephalopathy.Axial fast spin-echo T2-weighted image (130/4200/1[TE/TR/NEX])

Workflow diagram. Workflow diagram. A, ED CT workflow: the ED porter collects the patient (1); porter, patient, and nurse go to CT (2); porter, patient,

MR spectrum of a normal frontal lobe obtained at 1

A–C, Sagittal T1-weighted (A), sagittal T2-weighted (B), and axial T2-weighted (C) MR images of the cervical spine in a patient with severe myelopathy.

T2-weighted MR imaging appearance of a healthy 60-year-old woman (A), a 66-year-old woman with idiopathic Parkinson disease (B), and a 16-year-old female.

Contrast enhancement of an annular tear at initial and follow-up imaging.A, Annular tear shows contrast enhancement. Contrast enhancement of an annular.

Coronal postcontrast T1-weighted image of the orbits in patient 1 demonstrates a heterogeneously enhancing ovoid lesion involving the right medial rectus.

Coronal T1-weighted contrast-enhanced MR image obtained in January of 1999 at the onset of right hearing impairment shows increased enhancement of the.

Differentiation of common pediatric brain tumors by quantitative 1H-MR spectroscopy. Differentiation of common pediatric brain tumors by quantitative 1H-MR.

A, Sagittal T1-weighted image demonstrates a mildly hypointense well-defined mass arising from the posterior aspect of the tongue abutting the inferior.

Sagittal midline T1-weighted (A) and coronal fluid-attenuated (B) inversion recovery (C) images demonstrate evidence of progressive cerebellar atrophy.

Case 7, 75-year-old man with history of squamous cell carcinoma of the larynx status postradiation found to have an enlarging mass in the left parotid.

MR images of the brain (axial sections, fluid-attenuated reversion recovery sequences) show the symmetric hyperintensities (arrows) involving the pyramidal.

Conventional MR imaging findings in patients with ALS

Coronal T2-weighted images showing the STN in a patient with advanced PD (spin-echo acquisition; TR/TE/NEX, 2200 ms/90 ms/2). Coronal T2-weighted images.

The “white gray sign.” Axial high-resolution 3D inversion recovery fast-spoiled gradient-echo T1-weighted image demonstrates decreased gray-white contrast.

Axial T2-weighted MR image shows normal flow void in the right internal jugular vein (arrows), whereas flow-related enhancement can be seen in the left.

A, Postcontrast T1-weighted MR image of the brain during metastatic work-up demonstrates no metastatic disease. A, Postcontrast T1-weighted MR image of.

Signal intensity time curves of gradient-echo (GRE) and spin-echo (SE) echo-planar imaging sequences. Signal intensity time curves of gradient-echo (GRE)

MR images of patient 1.Pre- (A) and postcontrast (B) T1-weighted images reveal a homogeneously hypointense (compared with the pons) mass located in the.

Patient 3 was an 8-week-old female infant with a history of seizures that started 3 days before MR imaging was performed. Patient 3 was an 8-week-old female.

A, Axial T1- weighted MR image shows a predominantly isointense lesion in the right parietal bone. A, Axial T1- weighted MR image shows a predominantly.

C2 metastasis in a 60-year-old male patient with renal cell carcinoma.

Conventional MR image findings in acute-stage ANE in 2-year-old-girl.

Midline sagittal SS-FSE T2-weighted image demonstrates the normal appearance of the corpus callosum in a 26-gestational-week-old fetus (arrow). Midline.

Patient 2. Patient 2. Additional MR images.A–C, Follow-up image (A) obtained 15 days after surgical intervention shows reduced size of the abscess cavity.

Case 1, 62-year-old female with 2-year history of firm, painless left parotid mass. Case 1, 62-year-old female with 2-year history of firm, painless left.

Tubulo-nodular type. Tubulo-nodular type. Fetal MR images (case 4). A, Mid-sagittal view turbo spin-echo T1-weighted sequence (400/17/1) shows typical.

FIG 4. Plots of the Loes scores, based on double-echo spin-echo MR images, obtained at different follow-up examinations for 22 patients with ALD. The T1-weighted.

Images of a 34-year-old woman (patient 11) with biopsy-proved PNET

Consecutive cranial to caudal axial T2-weighted MR images demonstrate L4 and L5 nerve root anatomy. Consecutive cranial to caudal axial T2-weighted MR.

Two cases with Sylvian fissure SAH

Illustration of the point-counting technique applied to estimate hippocampal volume from MR images of a control (C, top row), patient with left-sided seizure.

Presentation transcript:

T2-weighted (A) and gradient-echo (T2 T2-weighted (A) and gradient-echo (T2*) (B) MR images from a patient with SS demonstrate superiority of the gradient-echo technique in detecting the characteristic T2 hypointensity, shown here along the Sylvian and interhemispheric fissures. T2-weighted (A) and gradient-echo (T2*) (B) MR images from a patient with SS demonstrate superiority of the gradient-echo technique in detecting the characteristic T2 hypointensity, shown here along the Sylvian and interhemispheric fissures. Both images are from the same patient and were obtained at the same point in time. Reprinted with permission from Kumar N. Superficial siderosis: associations and therapeutic implications. Arch Neurol 2007;64:491–96 (Copyright 2007, American Medical Association)‏ N. Kumar AJNR Am J Neuroradiol 2010;31:5-14 ©2010 by American Society of Neuroradiology