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Title | Description | Creator |
51 |
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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 |
52 |
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Optic Disc Melanocytoma | A 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 |
53 |
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Anterior and Posterior Scleritis | A 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 |
54 |
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Cavernous Sinus Meningioma Extending into the Orbital Apex | 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 t... | Supharat Jariyakosol, MD; Valérie Biousse, MD |
55 |
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Colloid Cyst Hydrocephalus | This is a case of colloid cyst of the third ventricle complicated by severe hydrocephalus, raised intracranial pressure and papilledema. Figure 1: Fundus photographs demonstrating bilateral optic nerve head edema Figure 2a and 2b: T1-weighted axial brain MRI without contrast: Dilation of both later... | Rabih Hage, MD; Valérie Biousse, MD |
56 |
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Large Frontal Meningioma with Mass Effect and Increased Intracranial Pressure | This 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 |
57 |
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Metastatic Ovarian Cancer to the Left Occipital Lobe With Complete Right Homonymous Hemianopia | A 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 |
58 |
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Occipital Pyogenic Abscess with Homonymous Hemianopia | This 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 |
59 |
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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 |
60 |
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Vertical Diplopia Secondary to Skew Deviation With Ocular Tilt Reaction With Multiple Posterior Fossa Metastases | This is a case of multiple brain metastases in the posterior fossa resulting in a skew deviation. Figure 1 : Photograph of the patient demonstrating a spontaneous right head tilt. The patient's head is tilted toward his right shoulder to suppress his diplopia Figure 2 : Ocular movements : There is a... | Rabih Hage, MD; Valérie Biousse, MD; Jason Peragallo, MD |
61 |
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Direct Carotid-Cavernous Sinus Fistula | A 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 |
62 |
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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 |
63 |
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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 |
64 |
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Internal Carotid Artery / Posterior Communicating Artery Aneurysm with Third Nerve Palsy Shown on CT Angiogram | Internal 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 |
65 |
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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 |
66 |
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MRI Findings in Gliomatosis Cerebri | Single 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 |
67 |
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Normal Retinal Anatomy | Normal posterior vitreous, retinal and chroroidal anatomy (pictures, fluorescein angiography and optical coherence tomography). Figure 1: Normal fundus photograph of the left eye o a : Optic disc and fovea o b : Foveal reflex in young patients o c : Macular and foveal areas share the same center o d... | Rabih Hage, MD; Valérie Biousse, MD |
68 |
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Sellar Aneurysm with Chiasmal Compression | This 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 |
69 |
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Terson Syndrome With Cranial Nerve 3 Palsy Due to Subarachnoid Hemorrhage from Arteriovenous Malformation and Aneurysmal Rupture | A case of Terson syndrome due to AVM and posteral cerebral aneurysm. The patient developed a left CN3 palsy due to hematoma involving the left midbrain. Figure 1 : External photograph of right eye demonstrates blunted red reflex secondary to vitreous hemorrhage Figure 2 : External photograph of lef... | Joshua Levinson, MD; Valérie Biousse, MD |
70 |
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Fundus Autofluorescence | The retinal pigment epithelium (RPE) has many important functions including phagocytosis of the photoreceptor outer segments. The metabolism of the photoreceptor outer segments leads to the formation of lipofuscin. Disease states and potentially increased oxidative damage can lead to the buildup of ... | Jonathan A. Micieli, MD; Valérie Biousse, MD |
71 |
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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 |
72 |
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MRI Findings in Optic Nerve and Chiasmal Glioma in Childhood | Multiple 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 |
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Large Sellar and Suprasellar Mass (Pituitary Macroadenoma) With Left Third Nerve Palsy and Left Optic Tract Compression | A case of a large sellar and suprasellar pituitary macroadenoma with an associated left third nerve palsy and left optic tract compression. Images from an MRI of the brain with contrast illustrate the imaging characteristics and extent of the tumor. Figure 1 : Humphrey Visual Fields (24-2 SITA-Fast)... | Devin D. Mackay, MD; Valérie Biousse, MD |
74 |
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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 |
75 |
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Non-Arteritic Anterior Ischemic Optic Neuropathy (NAION) With Segmental Optic Disc Edema | A 75-year old white woman with hypertension and diabetes presented with a 1 week history of vision loss in the right eye. Dilated fundus examination revealed superior segmental optic disc edema in the right eye and a small, crowded optic disc in the left eye known as a "disc-at-risk" (Figure 1). Int... | Jonathan A. Micieli, MD; Valérie Biousse, MD |