NOVEL - Emory Eye Center
 
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TitleDescriptionCreator
1 Anatomy of the Orbits on CT and MRIMRI and CT imaging of the orbit.Valérie Biousse, MD
2 Ophthalmic Artery AneurysmSlideshow describing ophthalmic artery aneurysm with MRI imaging.Valérie Biousse, MD
3 Coexisting Thyroid Eye Disease and Myasthenia GravisA case of coexisting thyroid orbitopathy and myasthenia gravis. External photographs of the eyes and eyelids, as well as images from an MRI of the orbits, are included. Figure 1 : External photograph of eyes showing right lid retraction and left upper lid ptosis. Figure 2 : External photograph of ...Devin D. Mackay, MD; Valérie Biousse, MD
4 Posterior Circulation Infarctions Secondary to a Post Traumatic Vertebral Artery DissectionA case of a young man with a vertebral artery dissection that caused multiple posterior circulation brain infarcts. Images from an MRI of the brain, digital subtraction angiography, and Humphrey visual fields are included. Figure 1 : Humphrey visual fields showed a right homonymous hemianopia with ...Devin D. Mackay, MD; Valérie Biousse, MD
5 Bilateral Lens Subluxation in Marfan SyndromeThis is a case of known Marfan syndrome with bilateral progressive visual loss. The ocular examination showed bilateral lens dislocation. Figure 1a: Typical superonasal lens subluxation in both eyes Figure 1b: The arrows show the inferior edges of the lenses Figure 2: Optical section of the lenses u...Rabih Hage, MD; Valérie Biousse, MD
6 Occipital Hemorrhagic Infarction Secondary to Bacterial Endocarditis-Congruent Homonymous Scotomatous Hemianopic DefectMRI features of occipital hemorrhage secondary to bacterial endocarditis Figure 1 : Humphrey visual fields showing a congruent homonymous scotomatous hemianopic defect Figure 2 : axial gradient echo T2*w brain MRI Figure 3 : axial T1w and T2w brain MRI Figure 4 : axial postcontrast T1w brain MRISamuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
7 Cavernous Sinus Meningioma Extending into the Orbital ApexSeptic left cavernous sinus and superior ophthalmic vein thrombosis, secondary to left maxillary tooth abscess. MRI characteristics Figure 1 : MRI Orbits (Coronal T2 with fat suppression) : Left periorbital edema (increased T2 signal, yellow arrows) extends inferiorly along the premalar tissues to t...Supharat Jariyakosol, MD; Valérie Biousse, MD
8 MRI Findings in Gliomatosis CerebriSingle case of gliomatosis cerebri identified on mulltiple MRI images pre- and post-contrast administration with axial and coronal views. Figure 1 : Axial brain MRI (T2) - Diffusely thickened and T2 hyperintense area (yellow arrows) centered within the genu of the corpus callosum with extension into...Jason Peragallo, MD; Valérie Biousse, MD
9 MRI Findings in Optic Nerve and Chiasmal Glioma in ChildhoodMultiple cases of optic pathway gliomas are demonstrated using MRI imaging. The optic pathway gliomas are identified at multiple points in the optic pathways. Figure 1 : Patient 1: Axial orbital MRI (T1 postcontrast with fat suppression) showing thickening and enhancement of the right optic nerve a...Jason Peragallo, MD; Valérie Biousse, MD
10 Orbital and Cavernous Sinus Involvement by Herpes Zoster OphthalmicusA single case of the effects of herpes zoster is demonstrated using external photographs and MRI imaging. The effects demonstrated include the typical dermatomal rash as well as extraocular muscle invovlement and cavernous sinus involvement. Figure 1 : External photograph of dermatomal rash and s...Jason Peragallo, MD; Valérie Biousse, MD
11 Anterior and Posterior ScleritisA case of anterior and posterior scleritis secondary to idiopathic orbital inflammation, also known as orbital pseudotumor. Various imaging modalities are included to demonstrate optic disc edema, macular edema, and fluid in tenon's capsule which may be seen in posterior scleritis. Figure 1 : Exter...Joshua Levinson, MD; Valérie Biousse, MD
12 Left RAPDVideo clip displaying pupillary examination and RAPD measurement.Valérie Biousse, MD
13 Nonfunctiong Pituitary Adenoma with Chiasmal CompressionThis is a case of large non-functioning pituitary adenoma with mass effect on the optic chiasm inducing loss of optic nerve fibers and subsequent visual field. Figure 1: Fundus photographs demonstrating bilateral temporal optic nerve head pallor Figure 2: Humphrey visual fields demonstrating a bitem...William Pearce, MD; Valérie Biousse, MD
14 Iris TransilluminationSingle case of iris transillumination in a patient with albinism. Figure 1 : Anterior segment photograph demonstrating reddish hue to iris in albinism Figure 2 : Slit lamp photograph with retroillumination demonstrating iris transillumination Figure 3 : Slit lamp photograph with retroillumination...Jason Peragallo, MD; Valérie Biousse, MD
15 Geniculate Nucleus Metastasis with Homonymous SectoranopiaThis is a case of multiple brain metastases in the setting of bladder cancer complicated with right homonymous horizontal sectoranopia. Figure 1: Pet-scan showing liver (yellow arrows) and kidneys (red arrow) metastases Figure 2: Goldmann Visual Fields: Right homonymous horizontal sectoranopia Figu...Rabih Hage, MD; Valérie Biousse, MD
16 Large Frontal Meningioma with Mass Effect and Increased Intracranial PressureThis is a case of frontal meningioma presenting with raised intracranial pressure and bilateral papilledema responsible for visual loss. Figure 1: Goldmann visual field of the left eye. In the right eye, there was no response to the V4e. The visual field is severely constricted in the left eye. Fig...Rabih Hage, MD; Valérie Biousse, MD
17 Metastatic Ovarian Cancer to the Left Occipital Lobe With Complete Right Homonymous HemianopiaA case of metastatic ovarian cancer to the left occipital lobe with a complete right homonymous hemianopia. Humphrey visual fields as well as images from an MRI of the brain are included. Figure 1 : Humphrey visual fields showing a complete right homonymous hemianopia Figure 2 : MRI brain T1 axial...Devin D. Mackay, MD; Valérie Biousse, MD
18 Central Retinal Artery Occlusion with Cilioretinal Artery SparingCentral retinal artery occlusion with sparing of the cilioretinal artery Figure 1 : Fundus photographs show retinal whitening in the right eye, with sparing of the perfused retina in the distribution of the cilioretinal artery (arrows); the left eye has a normal funduscopic appearance. Figure 2 : Mo...Supharat Jariyakosol, MD; Valérie Biousse, MD
19 Cerebral Venous Sinus Thrombosis with PapilledemaA case of superior sagittal sinus, right transverse sinus and right sigmoid sinus thrombosis, presenting with increased intracranial pressure (headaches, bilateral sixth palsy and papilledema). Figure 1 : Disc photos of the right and left eyes demonstrating bilateral disc edema. Figure 2 : Non-contr...Supharat Jariyakosol, MD; Valérie Biousse, MD
20 Posterior Cerebral Artery Infarction from Vertebral Artery DissectionRight posterior cerebral artery ischemic infarction due to post traumatic (martial arts) left vertebral artery dissection with resulting right PCA occlusion. Left homonymous hemianopia due to right occipital lobe infarction and left hemisensory loss due to right thalamic infarction. Imaging of the a...Kristen Hudson, MD; Valérie Biousse, MD
21 Cerebral Arterial VascularizationArteries of the neck and brain as seen on a CT Angiogram. Figure 1 : Overview. Figure 1A. Anterior view. Figure 1B. Lateral view. Figure 2 : Internal carotid artery. Segmentation. Figure 3 : Internal carotid artery and vertebral arteries. Extracranial part. Posterolateral view. Figure 4 : Internal c...Samuel Bidot, MD; Valérie Biousse, MD
22 Cerebral Venous VascularizationMRV and CTV scan imaging of the brain veins. Figure 1 : Overview. MRV with contrast Figure 1A. Right postero-lateral view. Figure 1B. Sagittal view. Figure 2 : Dural sinuses. Superior endocranial view. CTV. Figure 3 : Dural sinuses. Sagittal endocranial view. CTV. Figure 4 : Dural sinuses. Right an...Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
23 Fourth Nerve SchwannomaThis is a case of IVth cranial nerve schwannoma, showing an enhancement in the subarachnoid space consistent with the clinical presentation. Figure 1a : T1-weighted axial brain MRI Figure 1b : T1-weighted axial brain MRI : magnification of the brainstem Figure 1c : T1-weighted axial brain MRI : cr...Rabih Hage, MD; Valérie Biousse, MD
24 Osseous Anatomy of the Optic CanalsAnatomic study of the optic canals using 3D reconstruction of CT scan images. Figure 1 : Orbital canal seen through the orbit Figure 2 : Optic canal seen from the intracranial side (1) Figure 3 : Optic canal seen from the intracranial side (2) Figure 4 : Optic canal : axial plane Figure 5 : Optic c...Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
25 Anatomy of the Trigeminal NerveMRI and CT scan imaging of the trigeminal nerve and its 3 divisions. Figure 1 : trigeminal nerve. Overview Figure 2 : trigeminal nuclei Figure 3 : trigeminal root. Cisternal segment. Figure 3A. FIESTA axial image through midpons. Figure 3B. T2 coronal image through prepontine cistern Figure 4 : trig...Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
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