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Title | Description | Creator |
26 |
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Clinical Features of Neuroretinitis | A 13-year-old girl was seen for assessment of blurred vision and optic disc edema in her right eye. Her examination showed: best-corrected visual acuity of hand motion OD and 20/25 OS; pupils: no relative afferent pupil defect; color vision: 0/14 plates OD and 14/14 plates OS; humphrey visual fields... | Rahul A. Sharma, MD, MPH; Jason H. Peragallo, MD; Valérie Biousse, MD |
27 |
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Optic Disc Pseudoedema Due to Leber Hereditary Optic Neuropathy | A 23-year-old woman developed sequential painless central vision loss in both eyes (right eye 5 months ago and left eye 2 months ago). Her examination showed bilateral optic neuropathies: visual acuity: 20/300 eccentrically OU (no improvement with pinhole); pupils: equal and reactive with no relativ... | Rahul A. Sharma, MD, MPH; Valérie Biousse, MD |
28 |
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Retrograde Trans-Synaptic Degeneration from a Longstanding Occipital Lobe Tumor | This is an illustrated guide that (1) discusses the localization of paracentral homonymous hemianopic scotomatous visual field defects and (2) discusses the concept of trans-synaptic retrograde degeneration. A 43-year-old woman was assessed for longstanding blurred vision in both eyes. Her examinati... | Rahul A. Sharma, MD, MPH; Valérie Biousse, MD |
29 |
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Incipient Non-Arteritic Anterior Ischemic Optic Neuropathy (NAION) | A 61-year old white man with hypertension, diabetes, and dyslipidema was seen in neuro-ophthalmology consultation for asymptomatic right optic disc edema. He had a small, crowded optic disc in the left eye known as a "disc-at-risk" (Figure 1). He had normal visual function including normal 24-2 SITA... | Jonathan A. Micieli, MD; Valérie Biousse, MD |
30 |
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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 |
31 |
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Typical Idiopathic Optic Neuritis | This 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 |
32 |
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Superior Segmental Optic Nerve Hypoplasia | This 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 |
33 |
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Optic Nerve Hypoplasia | This 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 |
34 |
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Rathke's Cleft Cyst Apoplexy with Junctional Scotoma | MRI 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 fields | Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD |
35 |
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Junctional Scotoma from a Sellar Mass | This 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 |
36 |
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Central Retinal Artery Occlusion with Cilioretinal Artery Sparing | Central 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 |
37 |
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Cerebral Venous Sinus Thrombosis with Papilledema | A 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 |
38 |
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Posterior Cerebral Artery Infarction from Vertebral Artery Dissection | Right 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 |
39 |
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Giant Cell Arteritis: Temporal Artery Anatomy and Histology | Gross 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 GCA | Samuel Bidot, MD; Valérie Biousse, MD |
40 |
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Cerebral Arterial Vascularization | Arteries 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 |
41 |
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Cerebral Venous Vascularization | MRV 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 |
42 |
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Vitreopapillary Traction Syndrome (VPT) | Vitreopapillary traction (VPT) is characterized by abnormal vitreous adherence to the optic disc due to a fibrocellular membrane or incomplete posterior vitreous detachment (PVD). Traction on the optic disc can result in elevation of the disc, blurred margins, and rarely peripapillary hemorrhage. Pa... | Kirstyn Taylor; Sachin Kedar, MD |
43 |
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Osseous Anatomy of the Optic Canals | Anatomic 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 |
44 |
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Anatomy of the Trigeminal Nerve | MRI 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 |
45 |
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MRI Characteristics of Cavernous Sinus and Superior Ophthalmic Vein Septic Thrombosis | Septic 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 |
46 |
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Orbital and Cavernous Sinus Involvement by Herpes Zoster Ophthalmicus | A 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 |
47 |
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Toxoplasmic Chorioretinitis with Unilateral Disc Edema | A 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 |
48 |
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Nonfunctiong Pituitary Adenoma with Chiasmal Compression | This 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 |
49 |
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Geniculate Nucleus Metastasis with Homonymous Sectoranopia | This 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 |
50 |
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Vitreomacular Traction Syndrome (VMTS) | Vitreomacular traction (VMT) syndrome is characterized by an abnormal vitreous adherence to the macula due to incomplete posterior vitreous detachment (PVD). The resulting traction produces morphological changes of the macula. Patients may complain of decreased visual acuity, photopsia, micropsia, o... | Kirstyn Taylor; Sachin Kedar, MD |