Radicular enhancement form in spinal cord schistosomiasis.

Slides:

Advertisements

Similar presentations

Case 2. Case 2. A and B, T2-weighted images (fast spin-echo sequence with parameters of 4500/96 [TR/TE]) show diffuse hyperintense lesions in the white.

Advertisements

A 56-year-old woman with neck, bilateral shoulder, and bilateral arm pain. A 56-year-old woman with neck, bilateral shoulder, and bilateral arm pain. In.

A 27-year-old man with recurrent disk herniation confirmed by reoperation. A 27-year-old man with recurrent disk herniation confirmed by reoperation. A,

A 21-year-old man with recurrent left S1 sciatica and radiculopathy by electromyography. A 21-year-old man with recurrent left S1 sciatica and radiculopathy.

Two axial images from the same case of a facial nerve schwannoma involving the right mastoid segment of the facial nerve canal. Two axial images from the.

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.

Thin-section (2.5-mm) axial T1-weighted spoiled gradient-echo gadolinium-enhanced images of the brain obtained at 1.5 T for Gamma knife localization (trigeminal.

A and B, Sagittal (A) and axial (B) fast spin-echo images of the cervical spine before treatment demonstrate diffuse increase in signal intensity (arrows)

A, Sagittal T2WI MR image demonstrates a focal dorsal indentation (arrow) in the thoracic spinal cord. A, Sagittal T2WI MR image demonstrates a focal dorsal.

A 30-year-old woman with Zika virus infection with Guillain-Barré syndrome. A 30-year-old woman with Zika virus infection with Guillain-Barré syndrome.

Image shows appearance of septum within dural sinus in a 68-year-old woman with normal results of an MR imaging examination. Image shows appearance of.

A 30-year-old woman with Zika virus infection with Guillain-Barré syndrome. A 30-year-old woman with Zika virus infection with Guillain-Barré syndrome.

MRN technique. 3T MR neurography imaging sequences with isotropic multiplanar reconstruction. 3D T2 SPACE with multiplanar reconstruction of the cervical.

Brain and spine MR imaging of a 48-year-old woman with Zika virus infection and encephalitis and myelitis. Brain and spine MR imaging of a 48-year-old.

MR images demonstrating a large left middle cranial fossa mass.

Spine MR imaging of a 35-year-old man with Zika virus infection and Guillain-Barré syndrome presenting with progressive ascending paralysis that evolved.

The same patient as in Fig 3.

Patient 14. Patient 14. Secondary progressive MS. Axial contrast-enhanced T1-weighted MR image (600/27/1 [TR/TE/excitation]). A, No enhanced lesion can.

Intramuscular course and entrapment of the C5 nerve root.

T2-weighted fast spin-echo MR images

The same patient as in Fig 3.

Axial view MR images of the head, obtained at the time of second presentation.A, T1-weighted MR image (400/15) shows thickening of the dura overlying the.

A, A 25-year-old man with tetraplegia after a diving accident.

MR images obtained through the pituitary gland show diffuse enlargement of the pituitary gland. MR images obtained through the pituitary gland show diffuse.

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.

Radiculomyelitis causing bilateral AFP and urinary retention.

A, In a patient with a history of breast cancer surgery and radiation treatment with right-arm weakness, axial T2WI shows diffuse thickening of the right.

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.

Another patient with intraspinal abnormalities

Localization of spinal cord schistosomiasis.

Venous infarction in a patient with epidural and paraspinal abscesses.

A, Sagittal view through the brain stem and cervical spinal cord shows the extent of T2 hyperintensities involving the pyramidal tract and posterior columns.

Involvement of the frontal and parietal lobes in patients with isolated cortical hyperintensities. Involvement of the frontal and parietal lobes in patients.

Optic glioma.A, Sagittal spin-echo image (TR, 643 ms; TE, 12 ms) shows markedly enlarged optic nerve (arrow).B, Axial fast spin-echo (TR, 6000 ms; TE,

Case 3.A, Axial trace diffusion-weighted image (5700/138 [TR/TE], b = 1000 s/mm2) obtained 24 hours after the onset of symptoms shows bilateral thalamic.

Benign peripheral nerve sheath tumor of the sciatic nerve shows the typical split fat sign (arrow) on coronal T1 (A), target sign (short arrow) on coronal.

Coronal T1-weighted postcontrast MR image in a 71-year-old man, 11 years after radiation therapy, with a contrast enhancing polyp (arrow) with less enhancing.

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

Ill-defined margins as a sign of malignancy.

Patient 18 had typical orthostatic headache.

A, Axial high-resolution MR imaging in a 5-month-old girl with clinically suspected right-sided brachial plexus palsy shows avulsion injury of the right.

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.

A 50-year-old woman with nonenhancing WHO grade II diffuse astrocytoma

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.

A 63-year-old man with left L5 radiculopathy on the electromyographic study, who underwent an operation 12 months ago. A 63-year-old man with left L5 radiculopathy.

Patient with intraspinal abnormalities

Follow-up MR imaging examination at day 14

A 47-year-old woman with a history of alcohol abuse presented with ataxia, changes in consciousness, and ocular abnormalities. A 47-year-old woman with.

A 67-year-old man with intraorbital, infraorbital nerve, and frontal nerve lesions. A 67-year-old man with intraorbital, infraorbital nerve, and frontal.

Sagittal MR images of the lumbar spine reveal the heterogeneous appearance of the mass indicative of a variety of components. Sagittal MR images of the.

Images were obtained 5 weeks after the accident

A 42-year-old man experienced low-back pain and fever for 5 days.

A, Axial T2-weighted image (3500/90/2) shows a well-defined deep right occipital white matter lesion (asterisk) and a subcortical linear hyperintensity.

A, Immediate postoperative sagittal T1-weighted image shows a C-shaped flap underlying the operative defect (white arrow). A, Immediate postoperative sagittal.

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.

MR images in a 69-year-old woman with cervical and thoracic back pain.

A, Sagittal fast spin-echo (FSE) T2-weighted image shows a hypointense mass (arrowheads) in the anterior aspect of the spinal canal that extends from C3.

Short-interval follow-up cervical MR imaging of a 67-year-old male ASIA A patient with SCI. T2-weighted FSE images were obtained from an initial MR imaging.

A, T2-weighted coronal image shows a soft-tissue mass of intermediate signal intensity in the left posterior nasal cavity.B, Postcontrast T1-weighted axial.

Postcontrast T1-weighted axial images obtained from a 66-year-old woman with a history of non-small cell lung cancer showing a metastatic cystic lesion.

Persistent diffusion abnormalities in the brain stem of patient 2.

Axial DWIs at the level of the corona radiata obtained at 2 different time points (A and B) show recurrent periventricular infarcts. Axial DWIs at the.

A 19-year-old man with a nonenhancing WHO grade III anaplastic astrocytoma. A 19-year-old man with a nonenhancing WHO grade III anaplastic astrocytoma.

A 75-year-old man with a left brachial zoster-associated plexopathy.

Radiation plexopathy. Radiation plexopathy. A 67-year-old woman with a history of left breast carcinoma and radiation treatment 20 years ago who presented.

In another infant with a left-sided BPL paralysis following birth trauma, there is only hyperintensity of the left BPL on the coronal STIR T2-weighted.

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

A 35-year-old woman with a history of pilocytic astrocytoma as a child now presenting with 4 weeks of progressive difficulty in walking. A 35-year-old.

Presentation transcript:

Radicular enhancement form in spinal cord schistosomiasis. Radicular enhancement form in spinal cord schistosomiasis. Postcontrast T1-weighted images (TR/TE 520/20 ms) of case 1.A, Sagittal image shows linear enhancement of cauda equina nerve roots (arrow). Note the associated diffuse nodular intramedullary and peripheral enhancement of the distal cord and conus medullaris (arrowhead).B, Axial image documenting the thickened enhancing cauda equina nerves (arrow). Sahar Saleem et al. AJNR Am J Neuroradiol 2005;26:1646-1654 ©2005 by American Society of Neuroradiology