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TitleDescriptionCreator
26 Sequential Non-Arteritic Anterior Ischemic Optic Neuropathy (NAION)A 68-year old woman with hypertension, obstructive sleep apnea and obesity was seen in neuro-ophthalmology consultation for vision loss in the right eye. She had right optic disc edema with a small optic disc hemorrhage a small, crowded optic disc in the left eye known as a "disc-at-risk" (Figure 1)...Jonathan A. Micieli, MD; Valérie Biousse, MD
27 Typical Idiopathic Optic NeuritisThis is a case of a typical optic neuritis in a 41-year-old woman presenting with vision loss and pain with eye movements in the right eye. Optic disc photos at presentation showed subtle hyperemia in the right eye (Figure 1) and optical coherence tomography (OCT) of the retinal nerve fiber layer (R...Jonathan A. Micieli, MD; Valérie Biousse, MD
28 Superior Segmental Optic Nerve HypoplasiaThis is a case of superior segmental optic nerve hypoplasia in a woman with a history of maternal diabetes. A 25 year-old woman noticed a visual field defect in her right eye. Her examination showed: visual acuity: 20/20 OD, 20/20 OS; pupils: trace relative afferent pupillary defect OD; color visi...Naa Naamuah M. Tagoe, MBChB, FWACS, FGCS; Rahul A. Sharma, MD, MPH; Valérie Biousse, MD; Nancy J. Newman, MD
29 Optic Nerve HypoplasiaThis is an illustrated guide to the clinical diagnosis of optic nerve hypoplasia. Optic nerve hypoplasia (ONH) is the most common congenital optic nerve anomaly, with an estimated incidence of 1 in 2287 live births. It may present unilaterally or bilaterally. It is seen in isolation or in associati...Rahul A. Sharma, MD, MPH; Valérie Biousse, MD
30 Rathke's Cleft Cyst Apoplexy with Junctional ScotomaMRI features of Rathke's cleft cyst apoplexy. - Figure 1 : Humphrey visual fields at initial presentation - Figure 2 : Brain MRI without contrast at initial presentation - Figure 3 : Brain MRI with contrast at initial presentation - Figure 4 : Postoperative Humphrey visual fieldsSamuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
31 Junctional Scotoma from a Sellar MassThis is a case of a 55-year-old woman presenting with gradual painless vision loss in both eyes. Although visual acuity was 20/20 in both eyes, there was a left relative afferent pupillary defect and diffuse pallor of both optic nerves (Figure 1). Visual fields (24-2 SITA-Fast) showed a temporal def...Jonathan A. Micieli, MD; Valérie Biousse, MD
32 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
33 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
34 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
35 Giant Cell Arteritis: Temporal Artery Anatomy and HistologyGross anatomy and histology of the normal superficial temporal artery.; Histopathology of the superficial temporal artery involved by active and healed GCA; Summary of the main histopathologic findings in GCASamuel Bidot, MD; Valérie Biousse, MD
36 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
37 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
38 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
39 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
40 MRI Characteristics of Cavernous Sinus and Superior Ophthalmic Vein Septic ThrombosisSeptic 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 ...Devin D. Mackay, MD; Valérie Biousse, MD
41 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
42 Toxoplasmic Chorioretinitis with Unilateral Disc EdemaA 53-year-old man had a history of high myopia and a seronegative spondyloarthropathy treated with immunosuppressive agents. He presented with mild, painless vision loss in his right eye. His examination showed findings of a right anterior optic neuropathy: visual acuity: 20/20 OD (right eye), 20/20...Rahul A. Sharma, MD, MPH; Nancy J. Newman, MD; Valérie Biousse, MD
43 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
44 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
45 Radiologic Appearance of Unilateral Sphenoid Wing Hypoplasia in Neurofibromatosis Type IMRI features of greater wing sphenoid hypoplasia in the setting of neurofibromatosis type 1. - Figure 1 : Orbital MRI with contrast showing right greater sphenoid wing hypoplasia. The lack of bone tissue leads to herniation of the right temporal lobe into the orbit, pushing forward the orbital conte...Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
46 Pulsatile Proptosis from Sphenoid Wing Hypoplasia in Neurofibromatosis Type 1Clinical and radiologic features of greater wing sphenoid hypoplasia in the setting of neurofibromatosis type 1. Figure 1 : slit lamp examination showing Lisch nodules; Figure 2 : orbit CT scan (1); Figure 3 : orbit CT scan (2) with annotations. For visual examples of this disorder, please see the...Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
47 Direct Carotid-Cavernous Sinus FistulaA 40-year-old man presented with decreased vision and redness in his left eye. He had a significant trauma to the left side of his face about one year ago, but did not seek medical attention. External examination showed significant proptosis of the left eye (Figure 1) and conjunctival injection and ...Jonathan A. Micieli, MD; Valérie Biousse, MD
48 Sturge-Weber SyndromeA case of Sturge-Weber syndrome (Encephalotrigeminal angiomatosis) with angiomas that involve the leptomeninges, and the skin of the ipsilateral hemiface, associated with congenital glaucoma in the same eye. Various illustrations are included to demonstrate the port wine stain, enlarged optic nerve ...Supharat Jariyakosol, MD; Valérie Biousse, MD
49 Ocular Hypoperfusion from Severe Internal Carotid Artery Stenosis68 year-old man complaining of mildly decreased vision OD with fluctuation of vision throughout the day. Fluorescein angiography shows delayed choroidal and retinal fillings, suggesting hypoperfusion of the right eye.Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
50 Occipital Infarction with Incomplete Congruent Homonymous HemianopiaCT appearance of a remote occipital infarction. Congruent homonymous hemianopia.Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
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