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TitleDescriptionCreator
51 Internal Carotid Artery / Posterior Communicating Artery Aneurysm with Third Nerve Palsy Shown on CT AngiogramInternal Carotid Artery / Posterior Communicating Artery Aneurysm with Third Nerve Palsy Shown on CT Angiogram ; anatomic description of vascular and bony findings on the CTA. - Figure 1 : 51 year-old man complaining of painful binocular diplopia. Orange arrows indicate the direction of gaze. In p...Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
52 Sellar Aneurysm with Chiasmal CompressionThis is a case of aneurysm of the internal carotid artery, invading the sella and complicated by chiasmal compression and bitemporal hemianopia. Figure 1 : Humphrey visual fields (gray scale and pattern deviations) Figure 2a : T1-weighted axial brain MRI (1): well defined circular intracerebral mass...Rabih Hage, MD; Valérie Biousse, MD
53 Large Right Hypophyseal Aneurysm Causing a Junctional ScotomaRight, multi-lobulated superior hypophyseal artery aneurysm measuring 1.6 x 1.2 x 2.2 cm with 6 mm neck causing a right junctional scotoma . Images from a brain CT with contrast, a brain CT angiography with contrast, cerebral angiogram, Humphrey visual fields and ocular fundus photographs are includ...Laurel N. Vuong, MD; Valérie Biousse, MD
54 Previous Branch Retinal Artery OcclusionThis is a typical case of an old branch retinal artery occlusion in a 64 year old woman presenting with persistent monocular vision loss. She had sudden onset of painless vision loss in the inferior field of her left eye approximately one year prior. Her past medical history was significant for atri...Benson S. Chen, MBChB FRACP; Valérie Biousse, MD
55 Cotton Wool Spots in Giant Cell ArteritisThis is a case of cotton wool spots in a patient with temporal artery-biopsy proven temporal arteritis.; ; A 66-year-old woman presents with isolated painless vision loss related to a left optic neuropathy in her left eye. She denies systemic symptoms to suggest giant cell arteritis.; Her examinatio...Rahul A. Sharma, MD, MPH; Valérie Biousse, MD
56 Occipital Pyogenic Abscess with Homonymous HemianopiaThis is a case of right occipital abscess with a left homonymous hemianopia. Number of Figures and legend for each: 8 figures Figure 1: Humphrey visual fields: Dense left homonymous hemianopia Figure 2: T2-weighted axial MRI : Round, hyperintense lesion (yellow arrow) in the right occipital lobe sur...Rabih Hage, MD; Valérie Biousse, MD
57 Ophthalmic Artery AneurysmSlideshow describing ophthalmic artery aneurysm with MRI imaging.Valérie Biousse, MD
58 Funduscopic Findings of Acute Central Retinal Artery OcclusionA 59-year-old man was referred for assessment acute vision loss in the right eye. His examination showed: best-corrected visual acuity: light perception OD, 20/20 OS; pupils: Relative afferent pupillary defect OD; color vision: unable to visualize control plate OD, 14/14 OS correct Ishihara plates. ...David B. Enfield, MD; Valérie Biousse, MD
59 NeurosarcoidosisThis is an illustrated guide to the clinical diagnosis of neurosarcoidosis. Sarcoidosis is a chronic systemic inflammatory disorder characterized by non-caseating granulomas. It can affect multiple organ systems including the lungs, skin, orbit, and brain. When there is central nervous system (CNS) ...Bryce Buchowicz, MD; Valérie Biousse, MD
60 Left RAPDVideo clip displaying pupillary examination and RAPD measurement.Valérie Biousse, MD
61 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
62 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
63 Anatomy of the Ocular FundusA review of normal features of the ocular fundus. Fundus photography using various techniques illustrate anatomic features of the ocular fundus. - Figure 1 : A) Color fundus photograph of the left optic disc and peripapillary retina showing a normal optic disc, retinal arteries, retinal veins, and...Devin D. Mackay, MD; Valérie Biousse, MD
64 Checkboard Visual Field Loss Due to Bilateral Homonymous HemianopsiasA 70-year-old man with vascular risk factors was seen for assessment of sudden visual field loss in both eyes. His examination showed: visual acuity: 20/20 OD and 20/25 OS; pupils: equal with no relative afferent pupillary defect; color vision: 14/14 plates correct OU; anterior segment exam: normal ...Rahul A. Sharma, MD, MPH; Valérie Biousse, MD
65 Optic Disc Edema and PseudoedemaA presentation covering how to approach optic disc edema, including clinical characteristics and the distinction of pseudoedema.Rahul A. Sharma, MD, MPH; Valérie Biousse, MD
66 Optic Disc MelanocytomaA 26-year-old woman was seen for assessment of an asymptomatic optic nerve abnormality in her left eye. Her examination showed normal afferent visual function: visual acuity: 20/30 OD and 20/25 OS; PH 20/20 OU; pupils: no relative afferent pupil defect; color vision: 14/14 plates correct OU. Humphre...Rahul A. Sharma, MD, MPH; Valérie Biousse, MD
67 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
68 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
69 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
70 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
71 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
72 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
73 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
74 Anatomy of the Orbits on CT and MRIMRI and CT imaging of the orbit.Valérie Biousse, MD
75 Enophthalmos from Breast Cancer Metastasis to the OrbitRight painful ophthalmoplegia with right enophthalmos secondary to breast cancer metastasis to the right orbit.Valérie Biousse, MD
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