A, A comminuted fracture of the posterior wall of the left maxillary sinus (arrow). A, A comminuted fracture of the posterior wall of the left maxillary.

Slides:

Advertisements

Similar presentations

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.

Advertisements

Axial T1-weighted image after contrast administration (A) and a FLAIR image (B) demonstrating a left parietal subcortical DVA with deep venous drainage.

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

Case 1. Case 1. Images in a 51-year-old man with a history of painful maxillary swelling caused by GCG.A, Contrast-enhanced axial CT image demonstrates.

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 50-year-old man with MD. Axial thin-section CT image shows decreased distance between the vertical limb of the posterior semicircular canal and the posterior.

Subsidence of LT-CAGE devices at L5–S1.

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 and B, The superior sagittal sinus (straight arrow), straight sinus (arrowhead), and vein of Galen (curved arrow) are clearly depicted, and were seen.

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

Two angiographically occult additional microaneurysms adjacent to a ruptured posterior inferior cerebellar artery aneurysm in a 53-year-old woman. Two.

Case 2. Case 2. Fracture of the anterior C7 vertebral body and posterior C6 vertebral body with traumatic spondylolisthesis (C6 on C7), tearing of the.

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.

Two coronal views of the same case, demonstrating the aggressive appearing imaging features of mastoid segment FNSs. The left coronal T1-weighted postcontrast-enhanced.

Paracoronal MR image of the TMJ at the maximal open-mouth position in a patient with TMJ-D and neuropathic pain. Paracoronal MR image of the TMJ at the.

A, MIP of 3 mm thickness of the 1.5T scan.

CT and MR images of patients with inverted papilloma of the maxillary sinus.A, Axial CT image of a patient with inverted papilloma shows cone-shaped focal.

A 40-year-old man who presented with left-sided pulsatile tinnitus.

Continued. Continued. E, Light microscopic image of the left hippocampus obtained by amygdalohippocampectomy reveals extensive neuronal loss and gliosis.

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.

Contrast-enhanced fat-suppressed T1-weighted MR images obtained through the orbits show diffuse homogeneous thickening of the medial, lateral, and inferior.

42-year-old male patient with follow-up neck CT for lymphoma at 70 kVp (A) and corresponding previous CT at 120 kVp (B). 42-year-old male patient with.

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.

Dislodged fusion device.

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

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.

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.

Axial CT sections involving vital structures of the temporal bone.

Sarcoma growing into the left maxilla.

Same patient as shown in figure 3.

Normal apical ligament (arrow) and normal anterior atlantoaxial ligament (arrowhead) in the diagram (A) and the midsagittal T2-weighted MR image (B) in.

A, Initial fluoroscopic spot image (A) demonstrating disconnection at the pump connector (arrow). A, Initial fluoroscopic spot image (A) demonstrating.

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.

Supratentorial and posterior fossa PML

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.

3D TOF MR angiograms.A, Angiogram of the circle of Willis with the complete anterior configuration shows the AcoA (arrow).B, Angiogram of the circle of.

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.

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 43- year-old patient after a motor vehicle crash with no osseous injury. A 43- year-old patient after a motor vehicle crash with no osseous injury. A,

Four more examples of missed additional aneurysms on DSA

Insufficient infiltration and insufficient passage.

A, A 44-year-old woman with CP

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])

Posterior fossa SDH in a neonate delivered via SVD

Images from the case of a 6-year-old African-American female patient who presented with a 2-week history of progressive painless swelling of the left cheek.

Axial reconstructed images of rotational angiogram of the left external carotid artery show the fistulous pouch (white arrows) draining through the posterior.

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.

A, The axial HRCT image of the right temporal bone in case 1 shows an erosion in the posterior temporal bone wall (arrow). A, The axial HRCT image of the.

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 16-year-old boy with juvenile angiofibroma.

Sagittal T1-weighted MR image of the pituitary gland in a term neonate (born at gestational week 38) obtained near term (corrected age of 39 weeks; 7 days.

Case 1. Case 1. Axial CT image reveals fractures of the lateral and anterior walls of the left maxillary antrum. Herniation of low attenuation fat into.

Left carotid artery angiograms demonstrate the persistent otic artery (a), the basilar artery (b), the fetal posterior cerebral artery (PCA) (c), the ACoA.

Axial T2-weighted image (A) demonstrates focal cortical dysplasia (arrow) centered in the left anterior temporal lobe in a right-handed patient. Axial.

Sagittal MPRAGE (A) and axial T2-weighted (B) images demonstrate extensive focal cortical dysplasia (arrow) involving most of the visualized left frontal.

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

CT findings of a middle ear mass.

Case 1: Axial DWI through the maxillary sinus level demonstrates high signal intensity within the affected left maxillary sinus (black asterisk) compared.

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.

Patient 10. Patient 10. A 67-year-old man after radiation therapy at an outside hospital for base-of-tongue cancer. A and B, Axial contrast-enhanced CT.

Intraoperative images show a typical pearly appearance of a cholesteatoma (arrow, A), in the aditus ad antrum, next to the posterior wall of the EAC (dashed.

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

Examples of types of AICA loops and eighth CN-AICA relationships.

A, Sagittal T1-weighted, contrast-enhanced, fat-suppressed MR image shows infiltration of the superior extraconal space (small asterisk), superior rectus.

T1-weighted sagittal MR imaging of the sacrum demonstrates fracture-related edema in the S2 sacral body. T1-weighted sagittal MR imaging of the sacrum.

A 16-year-old boy with rhabdomyosarcoma.

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

MRN appearance of a normal sciatic nerve.

Presentation transcript:

A, A comminuted fracture of the posterior wall of the left maxillary sinus (arrow). A, A comminuted fracture of the posterior wall of the left maxillary sinus (arrow). Note the vector of the fracture fragment displacement (anteromedially) and herniation of the retroantral fat into the maxillary sinus. B, 3D reconstructed image demonstrates a minimally displaced fracture of the left subcondylar mandibular ramus, extending into the mandibular notch (arrowhead). The comminuted left posterior maxillary wall fracture is redemonstrated (long arrow). J.S. Simonds et al. AJNR Am J Neuroradiol 2011;32:468-470 ©2011 by American Society of Neuroradiology