Presentation is loading. Please wait.

Presentation is loading. Please wait.

Intrathecal injection is confirmed by visualization of contrast material within the thecal sac, giving a contrast medium–fluid level, while only a small.

Published bySiv Evensen Modified over 5 years ago

Similar presentations

Presentation on theme: "Intrathecal injection is confirmed by visualization of contrast material within the thecal sac, giving a contrast medium–fluid level, while only a small."— Presentation transcript:

1 Intrathecal injection is confirmed by visualization of contrast material within the thecal sac, giving a contrast medium–fluid level, while only a small amount of epidural contrast medium is present. Intrathecal injection is confirmed by visualization of contrast material within the thecal sac, giving a contrast medium–fluid level, while only a small amount of epidural contrast medium is present. Andrew L. Wagner AJNR Am J Neuroradiol 2004;25: ©2004 by American Society of Neuroradiology

Download ppt "Intrathecal injection is confirmed by visualization of contrast material within the thecal sac, giving a contrast medium–fluid level, while only a small."

Similar presentations

A and B, Anteroposterior (A) and lateral (B) radiographs after contrast injection. A and B, Anteroposterior (A) and lateral (B) radiographs after contrast.

A and B, Anteroposterior (A) and lateral (B) radiographs after contrast injection. A and B, Anteroposterior (A) and lateral (B) radiographs after contrast.
Axial source images of left severe ICA stenosis; small residual lumen with vessel wall plaque and thick calcification on the sides. Axial source images.

Axial source images of left severe ICA stenosis; small residual lumen with vessel wall plaque and thick calcification on the sides. Axial source images.
A, CT scan showing disk herniation in the posterolateral part of the L4-L5 disk.B, Transforaminal periradicular infiltration at the L5–S1 level, demonstrating.

A, CT scan showing disk herniation in the posterolateral part of the L4-L5 disk.B, Transforaminal periradicular infiltration at the L5–S1 level, demonstrating.
A, A 3.5-inch 22-ga spinal needle is advanced into the right L4–5 facet under intermittent CT guidance, with the patient prone. A, A 3.5-inch 22-ga spinal.

A, A 3.5-inch 22-ga spinal needle is advanced into the right L4–5 facet under intermittent CT guidance, with the patient prone. A, A 3.5-inch 22-ga spinal.
Case 3. Case 3. A 10-year-old boy with sublingual swelling shows partial shrinkage after 3 OK-432 injections.A and B, The initial contrast-enhanced CT.

Case 3. Case 3. A 10-year-old boy with sublingual swelling shows partial shrinkage after 3 OK-432 injections.A and B, The initial contrast-enhanced CT.
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.

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, Schematic representation of an anteroposterior view shows orientation of the blunt-tipped Whitacre needle relative to the lamina at the C7–T1 level.

A, Schematic representation of an anteroposterior view shows orientation of the blunt-tipped Whitacre needle relative to the lamina at the C7–T1 level.
A, Fluoroscopic image with approximately 15° left and caudal angulation shows a 3.5-inch spinal needle (5-inch needles are used for obese patients), which.

A, Fluoroscopic image with approximately 15° left and caudal angulation shows a 3.5-inch spinal needle (5-inch needles are used for obese patients), which.
Singular-energy magnitude and location at peak systole in aneurysm volumes (gray) of aneurysm 1, 2, 3, and 5 for 3D PC-MR imaging; CFD with inflow boundary.

Singular-energy magnitude and location at peak systole in aneurysm volumes (gray) of aneurysm 1, 2, 3, and 5 for 3D PC-MR imaging; CFD with inflow boundary.
A, Sagittal T2WI MR image demonstrates a typical intraspinal extramedullary arachnoid cyst. A, Sagittal T2WI MR image demonstrates a typical intraspinal.

A, Sagittal T2WI MR image demonstrates a typical intraspinal extramedullary arachnoid cyst. A, Sagittal T2WI MR image demonstrates a typical intraspinal.
Sidewall aneurysm of the left vertebral artery (A).

Sidewall aneurysm of the left vertebral artery (A).
Normal MR imaging findings in a 59-year-old man with right SSHL

Normal MR imaging findings in a 59-year-old man with right SSHL
Contrast-enhanced CT scans show increased enhancement at the right cavernous sinus.A, Contrast-enhanced CT scan obtained in 1994 shows that the right tentorium.

Contrast-enhanced CT scans show increased enhancement at the right cavernous sinus.A, Contrast-enhanced CT scan obtained in 1994 shows that the right tentorium.
Axial CT images at the basal ganglia level show subarachnoid hemorrhage on the right and a chronic lacunar infarct on the left. Axial CT images at the.

Axial CT images at the basal ganglia level show subarachnoid hemorrhage on the right and a chronic lacunar infarct on the left. Axial CT images at the.
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.

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.
Results of the improved processing methodology.

Results of the improved processing methodology.
A, Sagittal T2-weighted cervicothoracic spine MR image from a patient with intracranial hypotension shows a ventral extradural collection from C6 to T2.

A, Sagittal T2-weighted cervicothoracic spine MR image from a patient with intracranial hypotension shows a ventral extradural collection from C6 to T2.
Images obtained in an 86-year-old man with scoliosis and spinal stenosis.A, In patients such as this one, contrast medium may appear to be within the thecal.

Images obtained in an 86-year-old man with scoliosis and spinal stenosis.A, In patients such as this one, contrast medium may appear to be within the thecal.
Axial dynamic CT myelogram at the level of the C7–T1 interspace in the left lateral decubitus (A), right lateral decubitus (B), supine (C), and prone (D)

Axial dynamic CT myelogram at the level of the C7–T1 interspace in the left lateral decubitus (A), right lateral decubitus (B), supine (C), and prone (D)
A–C, Anteroposterior (A), oblique (B), and lateral (C) radiographs after thoracic interlaminar epidural injection of contrast material reveal opacification.

A–C, Anteroposterior (A), oblique (B), and lateral (C) radiographs after thoracic interlaminar epidural injection of contrast material reveal opacification.

Similar presentations

Ads by Google