Color pressure maps (mm Hg) in a healthy subject in the axial (A) and coronal (D) planes as well as for a patient (C and F) with a type IIa DAVF affecting.

Slides:



Advertisements
Similar presentations
Lateral skull radiograph performed in our patient at age 4 years shows cystoperitoneal shunt connected to a VP shunt via a Y connector (dashed arrow, reservoir.
Advertisements

Precontrast coronal T1-weighted view shows metastatic nodules (long arrows) from breast cancer in the vicinity of the left BPL and another metastatic mass.
A 30-year-old man with PSA
123I/Tc-99m sestamibi subtraction scan (top left); neck sonogram in region of cystic mass (top right); axial arterial phase CT scan (bottom left); and.
Coronal (A) and axial (B) noncontrast CT scans of the paranasal sinuses show an air cell within the intersinus septum. Coronal (A) and axial (B) noncontrast.
A, MIP of 3 mm thickness of the 1.5T scan.
A, Axial source image from a contrast-enhanced MRA unambiguously demonstrates a tiny (
A side-by-side comparison of EPVS in a cognitively healthy control versus a patient with aMCI A, A coronal MR brain image of a cognitively healthy control.
Patient 12. Patient 12. Both readers missed a defect found at endoscopy. Coronal MPR image from mm axial dataset missed a subtle defect of the right.
MEG SAMg2 data superimposed on coronal reformation (A), sagittal reformation (B), and axial MPRAGE MR imaging (C). MEG SAMg2 data superimposed on coronal.
Types I and II LTS. Axial contrast-enhanced T1-weighted MR image obtained in a 55-year-old man with a type I LTS on the left and a type II LTS on the right.
Intramuscular course and entrapment of the C5 nerve root.
A 7-month-old boy with left hemimegalencephaly
Coronal (A, B) and sagittal (D) sections of MIP reformations of a MDCTA performed on a 4-row-detector system in a 54-year old woman (patient 10) with an.
Venous diverticulum in a 69-year-old man with long-standing right-sided pulsatile tinnitus. Venous diverticulum in a 69-year-old man with long-standing.
Coronal (A) and axial (B) noncontrast CT scans of the paranasal sinuses show an air cell within the intersinus septum. Coronal (A) and axial (B) noncontrast.
A, Coronal 3-mm-slab MIP from CTA in patient 3 with a right transverse sinus DAVF, predominantly supplied by right occipital, middle meningeal, and marginal.
A, Coronal CT scan of the paranasal sinuses in a 45-year-old women with difficulty breathing shows the typical appearance of crista galli pneumatization.
Intracranial hypertension in a 30-year-old woman presenting with headaches and tinnitus. Intracranial hypertension in a 30-year-old woman presenting with.
Coronal gadolinium-enhanced T1-weighted image (TR/TE/NEX, 500/15/2) at the level of the foramen ovale shows a significantly enhancing V3 branch (arrow)
A, Axial CT in a 41-year-old man with vertigo and complete sensorineural hearing loss in the left ear after prior stapedectomy show focal hyperattenuation.
TOF MIP image (A), TWIST arterial phase subtracted MIP image (B), and HR MRA subtracted MIP image (C) demonstrate ulcerated plaque of the left ICA in an.
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.
Coronal FLAIR images (A–C) document decreasing left hippocampal mass effect and signal intensity over 5-year period (black arrowhead). Coronal FLAIR images.
VBM results for differences in WM volume between patients with POAG and disease-free control subjects. VBM results for differences in WM volume between.
A, MIP coronal 3D PSIF image showing class II injury to the right IAN with mild increase in caliber (less than 50% of the left) and signal intensity of.
Sphenopetrosal sinus in a patient with a petroclival meningioma
A and B, Venous phase of a conventional intra-arterial catheter angiogram clearly shows flow within the nondominant transverse sinus (A, arrow), whereas.
A and B, Axial and coronal high-resolution CT images of the larynx in a 73-year-old patient with papillary thyroid cancer and left vocal cord paralysis.
Identifying IPH on CE-MRA mask images in a 72-year-old man with a right cerebral ischemic event. Identifying IPH on CE-MRA mask images in a 72-year-old.
Coronal (A), axial (B), and right parasagittal (C) CT images in a 58-year-old man show bilateral protrusion of the IOC into the maxillary sinus. Coronal.
Half-dose CE-MRV. Half-dose CE-MRV. A and B, Coronal (A) and sagittal (B) full-thickness MIP images (TR/TE, 3.4/1.3 ms; flip angle, 25°) in a 27-year-old.
Coronal (A) and axial (B) contrast-enhanced T1-weighted MR images and an axial DWI (C) and ADC map (D) in a patient with primary dural B-cell lymphoma.
A 64-year-old man with oculomotor nerve palsy from a partially thrombosed giant cavernous sinus aneurysm. A 64-year-old man with oculomotor nerve palsy.
Castellvi type IIIa and IIIb LSTVs
Ill-defined margins as a sign of malignancy.
Left transverse sigmoid DAVFs (type IIa) with 3 shunted venous pouches
Four-point subjective rating scale of the perihippocampal fissures (PHF).A and B, Axial and coronal view of same case. Four-point subjective rating scale.
Four more examples of missed additional aneurysms on DSA
Coronal and axial sketches of the medulla, which correspond to the medullary regions seen on the T2-weighted axial images in Fig 1, demonstrate the anatomical.
A, A 44-year-old woman with CP
Representative multislice MIP projections of EPVS in the subcortical brain structures and the basal ganglia of a control and a subject with aMCI. Representative.
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.
Axial reconstructed images of rotational angiogram of the left external carotid artery show the fistulous pouch (white arrows) draining through the posterior.
Serial axial MIP images demonstrating the anomalous origin of both the vertebral arteries from the aortic arch beyond the left subclavian artery, along.
The cranial nerves and their ganglia within the JF
Coronal postcontrast T1-weighted image of the orbits in patient 1 demonstrates a heterogeneously enhancing ovoid lesion involving the right medial rectus.
Temporal bone CT in the Pöschl (A) and Stenvers (B) planes demonstrating a large defect (arrows) in the roof of the right superior semicircular canal.
Coronal T1-weighted contrast-enhanced MR image obtained in January of 1999 at the onset of right hearing impairment shows increased enhancement of the.
1, Axial T2 image in patient 1 demonstrates bilateral cystic spaces in the biparietal periventricular white matter. 2, Axial T2 image in patient 2 demonstrating.
CT images of a patient with inverted papilloma
Bone algorithm CT images from the same case, demonstrating focal enlargement of the right tympanic segment, in the axial (left) and coronal (right) planes.
A, Axial 3-mm-slab MIP from CTA
42-year-old woman with very subtle imaging findings of optic neuropathy due to cat scratch fever (patient 5, Table 2).A and B, Axial (A) and coronal (B)
MR images of the brain (axial sections, fluid-attenuated reversion recovery sequences) show the symmetric hyperintensities (arrows) involving the pyramidal.
Saccular macula. Saccular macula. Axial (A and B), coronal (C and D), oblique sagittal (Poschl plane) (E and F), and oblique coronal (Stenvers plane) (G.
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.
MRA isosurface MIP rendering, CFD-predicted flow fields, and 4D-flow MR imaging from 6 subjects. MRA isosurface MIP rendering, CFD-predicted flow fields,
Axial T2-weighted image (A) demonstrates focal cortical dysplasia (arrow) centered in the left anterior temporal lobe in a right-handed patient. Axial.
Spatial orientation of the thalami.
A, Anteroposterior (top row), lateral (second row), and axial (bottom row) projections of maximum-intensity 4D-CE-MRA images (2.9/1.4, 20° flip angle)
A, Axial T2-weighted image (3500/90/2) shows a well-defined deep right occipital white matter lesion (asterisk) and a subcortical linear hyperintensity.
Case 1: Axial DWI through the maxillary sinus level demonstrates high signal intensity within the affected left maxillary sinus (black asterisk) compared.
Detection of aneurysmal neck remnant
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–C, Thin-section (1-mm) coronal and axial CT images of the skull base obtained with an edge-enhancing bone algorithm show enlargement (arrows) of the.
A, Axial T2-weighted image from a routine high-resolution 3T screening study to evaluate internal auditory canal lesions shows the right CNIII entering.
Case 23, a patient with treated DAVF with residual Borden type I shunt
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.
Highly specific connections between the cortical lobe and thalamus.
Presentation transcript:

Color pressure maps (mm Hg) in a healthy subject in the axial (A) and coronal (D) planes as well as for a patient (C and F) with a type IIa DAVF affecting the left transverse and sigmoid sinus (arrows). Color pressure maps (mm Hg) in a healthy subject in the axial (A) and coronal (D) planes as well as for a patient (C and F) with a type IIa DAVF affecting the left transverse and sigmoid sinus (arrows). MIP images in the axial (B) and coronal (E) plane show the site of arteriovenous shunting (arrows) where there is increased pressure seen on the axial (C) and coronal (F) pressure maps. L.A. Rivera-Rivera et al. AJNR Am J Neuroradiol 2018;39:485-487 ©2018 by American Society of Neuroradiology