Noncontrast CBCT scan of a 13-year-old boy acquired with a sinus protocol (40 seconds, 600 frames, 0.4-mm pixels, 120 kVp, 48 mA). Noncontrast CBCT scan.

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

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 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.

Case 1. Case 1. CT scans in an 8-year-old boy with an ectopic tooth in the left nasal cavity.A, Coronal scan obtained with a bone window setting of 600-HU.

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)

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.

Patient with cholesteatoma on the right and chronic otitis media without cholesteatoma on the left. Patient with cholesteatoma on the right and chronic.

Two patients with chordoma involving the sphenoid bone.

Radiation neuropathy. Radiation neuropathy. A 69-year-old woman with a history of breast carcinoma and external beam radiation therapy 2 years before imaging.

MR images demonstrating a large left middle cranial fossa mass.

Case 2. Case 2. Organized hematoma arising from antrochoanal polyp in a 12-year-old girl. A, Contrast-enhanced axial CT scan shows marked irregular nodular.

Case 1, extranodal orbital involvement in Rosai-Dorfman disease.

MEG SAMg2 data superimposed on coronal reformation (A), sagittal reformation (B), and axial MPRAGE MR imaging (C). MEG SAMg2 data superimposed on coronal.

A, Sagittal T2WI MR image demonstrates a typical intraspinal extramedullary arachnoid cyst. A, Sagittal T2WI MR image demonstrates a typical intraspinal.

Clinical images of 2 patients acquired with the MiniCAT dedicated head and neck CBCT scanner. Clinical images of 2 patients acquired with the MiniCAT dedicated.

Noncontrast dentomaxillofacial CBCT scan (iCAT) of a patient with an impacted left mandibular third molar (0.4-mm pixels, 120 kVp, mA). Noncontrast.

Corticobasal degeneration (CBD), case 1.

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.

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.

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, 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.

A 15-month-old girl with a history of trauma and type 1 CPC

Case 10. Case 10. Organized hematoma of the maxillary sinus in a 76-year-old woman. A, Precontrast axial CT scan with bone window setting shows a large,

Coronal FLAIR images (A–C) document decreasing left hippocampal mass effect and signal intensity over 5-year period (black arrowhead). Coronal FLAIR images.

Sarcoma growing into the left maxilla.

AP (A) and lateral (B) radiographs demonstrating a discontinuous segment of the catheter, with broken catheter ends in the subcutaneous tissue of the lower.

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, 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.

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.

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.

Coronal reconstructed noncontrast multidetector CT image of the chest demonstrates an extensive paravertebral soft-tissue mass and bone destruction at.

An axial T2-weighted MR image (A) reveals mixed signal intensities with minimal surrounding edema in the right posterior mobile tongue. An axial T2-weighted.

A 41-year-old man and his son had positive genetic testing for LDS type 1 after he had intracranial hemorrhage as a complication of dissection and some.

Axial CT image through L5/S1 (3-mm section, 100 KVp, 50 mA).

A 48-year-old woman presenting with headache and seizure.

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

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.

A, A 44-year-old woman with CP

PCT imaging with ICA reference of a patient with right tongue base squamous cell carcinoma. PCT imaging with ICA reference of a patient with right tongue.

KD involving the postauricular area and occipital scalp in an 11-year-old boy. KD involving the postauricular area and occipital scalp in an 11-year-old.

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.

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

Sagittal noncontrast T1WI MR imaging of the cervical, thoracic, and upper lumbar spine demonstrates a circumferential high signal intensity (arrows) in.

A, Coronal enhanced MR image of an IAC meningioma demonstrates intense enhancement of the intralabyrinthine structures (curved white arrow). A, Coronal.

Bone algorithm CT images from the same case, demonstrating focal enlargement of the right tympanic segment, in the axial (left) and coronal (right) planes.

Sagittal reconstruction of a CT scan of a 6-year-old boy (patient 3) after a fall (GCS = 15) demonstrates an REH (thick white arrow), which causes mild.

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

Coronal T2 (A) and axial T1 FLAIR (B), T2 (C), and SWI (D) MR images of a 6-day-old boy. Coronal T2 (A) and axial T1 FLAIR (B), T2 (C), and SWI (D) MR.

A 43-year-old male patient with headaches (case 33).

Multiplanar reformation of a 3D MR angiography image set of the spinal cord demonstrating the visualization of the AKA (arrow) and the ASA (arrowhead;

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.

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.

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

Coronal T2 (A) and sagittal T1 (B), axial T2 (C), and axial ADC (D and E) MR images of a 12-day-old boy. Coronal T2 (A) and sagittal T1 (B), axial T2 (C),

MTF curves for 4 MiniCAT exposure protocols.

Coronal early phase postcontrast (A), axial early phase postcontrast (B), and axial delayed phase postcontrast (C) images showing an early enhancing 1.3-cm.

Coronal reformatted image from noncontrast sinus CT demonstrates the measurements of NSD. The midline is defined by a dashed line extending from the crista.

A 16-year-old boy with rhabdomyosarcoma.

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

Twelve-year-old girl with coinfection of JE and NCC (patient 5).

Case 2. Case 2. A, Coronal unenhanced T1-weighted image through the base of the skull. The left pterygopalatine fossa appears infiltrated by soft tissue.

Axial contrast-enhanced CT (A) and sagittal contrast-enhanced reformatted (B) images reveal a well-defined ovoid mass with homogeneous intense enhancement.

Case 2, 12-year-old boy with right-side mixed HL

KD involving bilateral buccal spaces in a 52-year-old man.

Presentation transcript:

Noncontrast CBCT scan of a 13-year-old boy acquired with a sinus protocol (40 seconds, 600 frames, 0.4-mm pixels, 120 kVp, 48 mA). Noncontrast CBCT scan of a 13-year-old boy acquired with a sinus protocol (40 seconds, 600 frames, 0.4-mm pixels, 120 kVp, 48 mA). A, Axial section at the level of the maxillary sinus floor demonstrates a 1.0 × 0.7 × 1.0-cm oval mass in the alveolar process of the right maxilla (arrow). B, Axial image highlights the inferior extent of the lesion in A. C and D, Coronal and sagittal images, respectively, of the lesion in A. A.C. Miracle, and S.K. Mukherji AJNR Am J Neuroradiol 2009;30:1285-1292 ©2009 by American Society of Neuroradiology