Labeled (A) and unlabeled (F) anterosuperior views of the sella and suprasellar region demonstrate cranial nerve IV passing into the trochlear groove (circle,

Slides:



Advertisements
Similar presentations
Hypoplasia at L5 with anterolisthesis at L5 on S1, grade II
Advertisements

A 49-year-old man presenting with left abducens and right facial nerve palsies. A 49-year-old man presenting with left abducens and right facial nerve.
Demonstration of the creation of a patient-specific brain mold for minimizing tissue distortion during fixation. Demonstration of the creation of a patient-specific.
A 30-year-old man with PSA
LV as the 2nd branch off the LS between the TA (thyroid artery) and the CA. RV indicates the right vertebral artery; RS, right subclavian artery; IA, innominate.
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.
Right carotid angiogram (A) demonstrates a small carotid cave aneurysm in a patient who had an anterior communicating artery aneurysm previously treated.
Axial CT scans of the brain and neck performed with contrast medium.
Two angiographically occult additional microaneurysms adjacent to a ruptured posterior inferior cerebellar artery aneurysm in a 53-year-old woman. Two.
Demonstration of a bilaterally duplicated hypoglossal canal.
A, ROIs that were drawn in the flow territories of the anterior cerebral artery (cortex: ROIs 1 and 2, basal ganglia: ROIs 5 and 6) and the middle cerebral.
A and B, Axial T2-weighted MR images in the AC-PC plane.
A case with near-occlusion with full collapse, reprinted with permission from Fox et al.1 Lateral common carotid angiogram shows the thin, threadlike,
Line graph showing change in size over time relative to baseline CT
A, Lateral angiogram obtained before treatment shows a right ruptured dissecting ICA aneurysm.B, 4 × 9 mm Jomed covered stent placed across the aneurysm.
A, Axial source image from a contrast-enhanced MRA unambiguously demonstrates a tiny (
Contrast-enhanced coronal CT scan of a rabbit.
Right ECA angiogram in the lateral view shows the petrous branch of the MMA (black arrows) and the stylomastoid branch (white arrows) arising from the.
Normal schematic diagram of the aortic arch and the great vessels demonstrates the embryologic origins of the arch and its major branches. Normal schematic.
Case 1, Left infundibular dilation at the junction of the internal carotid artery–posterior communicating artery (adult type) in a 75-year-old woman.A,
Case 2, Right infundibular dilation at the junction of the internal carotid artery–posterior communicating artery (fetal-type), in a 36-year-old woman.A,
Intracranial hypertension in a 30-year-old woman presenting with headaches and tinnitus. Intracranial hypertension in a 30-year-old woman presenting with.
Composite diagram of M1-M2 trunk anatomy based on IMS III post hoc analysis. Composite diagram of M1-M2 trunk anatomy based on IMS III post hoc analysis.
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.
Hypervascular tumor. Hypervascular tumor. Right carotid artery angiogram shows displacement of the branches of the middle cerebral artery. The tumor blush.
A 65-year-old man with an unruptured anterior communicating artery aneurysm. A 65-year-old man with an unruptured anterior communicating artery aneurysm.
Myelograms demonstrate small dorsal and ventral extradural filling defects but normal delineation of nerve roots, indicating no subarachnoid abnormality.A,
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.
Single-frame images from left common carotid rotational angiography before (A) and after (B) endovascular treatment demonstrate correction of the arterial.
Normal appearance of Meckel's cave.
Axial T2-weighted MR imaging at the level of the internal auditory canals, demonstrating a large, homogeneous mass filling the right internal auditory.
Apparent diffusion coefficient versus the degree of DWMI in NPH and age-matched controls, showing significantly higher ADC (indicating higher water content)
Four more examples of missed additional aneurysms on DSA
Basilar artery diameter measured with CTA in the delayed stage of SAH
Left ICA angiogram in anteroposterior (A) and lateral (B) views demonstrates the anastomosis between the mandibular artery arising from the petrous ICA.
A−C, Self-expanding V-POD devices.
MR post-gadolinium SE T1 axial plane: extra-axial bilobed enhancing mass, involving the right cerebellopontine angle cistern (star), internal auditory.
Relationship between the deep cervical artery and the C7 and C8 nerve roots. Relationship between the deep cervical artery and the C7 and C8 nerve roots.
Examples and prevalence of circle of Willis anomalies that hamper collateral function. Examples and prevalence of circle of Willis anomalies that hamper.
Differentiation of common pediatric brain tumors by quantitative 1H-MR spectroscopy. Differentiation of common pediatric brain tumors by quantitative 1H-MR.
Axial contrast-enhanced CT scan shows bilateral facial soft-tissue tumor infiltration, bilateral enlarged middle cranial fossae (arrowheads), bilateral.
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 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.
A, Sagittal T1-weighted image demonstrates a mildly hypointense well-defined mass arising from the posterior aspect of the tongue abutting the inferior.
Z-score brain surface map represents areas of metabolic reduction in patients in comparison with healthy subjects (data base group). Z-score brain surface.
Z-score brain surface map represents the result of group comparison between 2 healthy subjects groups such as control group (CG) and data base group (DBG).
Midsagittal MDCT image of the craniocervical junction demonstrates the Powers ratio, which is calculated by dividing the distance between the tip of the.
External carotid angiogram, lateral view, with midarterial (A) and capillary (B) phase, shows the rich vascularity of the tumor. External carotid angiogram,
Left carotid artery angiograms demonstrate the persistent otic artery (a), the basilar artery (b), the fetal posterior cerebral artery (PCA) (c), the ACoA.
A and B, Anteroposterior (A) and lateral (B) anatomic diagrams demonstrate the anatomy of the PMVs in relation to the vertebrobasilar system. 1 indicates.
Axial T2-weighted image (A) demonstrates focal cortical dysplasia (arrow) centered in the left anterior temporal lobe in a right-handed patient. Axial.
Conventional angiogram obtained from a right internal carotid artery injection (A) precoiling AP view and (B) unsubtracted postcoiling lateral view demonstrates.
The “white gray sign.” Axial high-resolution 3D inversion recovery fast-spoiled gradient-echo T1-weighted image demonstrates decreased gray-white contrast.
A 55-year-old woman (the same patient as in Fig 1) with RCVS complicated by ischemic infarcts. A 55-year-old woman (the same patient as in Fig 1) with.
Patient with “classic” MR imaging findings of SIH on brain MR imaging.
Reproduction of the original Fig 16 (Vol. 1, page 36) of Adachi
A 59-year-old woman with bilateral descending thoracic vertebral arteries. A 59-year-old woman with bilateral descending thoracic vertebral arteries. A,
Imaging plane for arterial spin labeling method.
Pseudoaneurysms demonstrated by femoral arteriography and sonography.
Case 2: 16-year-old boy, brother of girl in case 1, also with profound bilateral congenital sensorineural hearing loss. Case 2: 16-year-old boy, brother.
The ASPECTS system scores arteries distal to the occlusion (0, artery not seen; 1, less prominent; 2, equal or more prominent compared with a matching.
Interexaminer variability of the BAI
Consecutive cranial to caudal axial T2-weighted MR images demonstrate L4 and L5 nerve root anatomy. Consecutive cranial to caudal axial T2-weighted MR.
An 11-year-old girl with positive genetic testing and other connective tissue manifestations demonstrates spine instability at both C1 and C2 (note atlantoaxial.
Axial anatomic dissection, seen from above, shows the relationship of the right CNIII to the clivus and cavernous sinus dura. Axial anatomic dissection,
Sagittal anatomic dissection of the cavernous sinus with the dura partially removed and the oculomotor nerve exposed. Sagittal anatomic dissection of the.
Diagram of the functional vascular anatomy of the head and neck with the 3 major extracranial–intracranial anastomotic pathway regions: the orbital, petrous-cavernous-clival,
Axial CT at level of thyroid cartilage shown on soft tissue window (width, 340 HU; center, 43 HU) in panel A and narrow window (width, 1 HU; center, 130.
Highly specific connections between the cortical lobe and thalamus.
Presentation transcript:

Labeled (A) and unlabeled (F) anterosuperior views of the sella and suprasellar region demonstrate cranial nerve IV passing into the trochlear groove (circle, F). Labeled (A) and unlabeled (F) anterosuperior views of the sella and suprasellar region demonstrate cranial nerve IV passing into the trochlear groove (circle, F). Car.A. indicates carotid artery; Oculom., oculomotor; Post., posterior; Ant., anterior; Cist., cistern; Tuberc., tuberculum; Clin., clinoid; Pet. Apex, petrous apex. Modified with permission from Rhoton AL Jr. The sellar region. Neurosurgery 2002;51(4 suppl):S335–74.12 P.M. Bunch et al. AJNR Am J Neuroradiol 2017;38:1026-1030 ©2017 by American Society of Neuroradiology