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TitleDescriptionCreator
51 Ocular Fundus ExaminationReview of various techniques of ocular fundus examination, including direct ophthalmoscopy, binocular indirect ophthalmoscopy, slit lamp binocular indirect ophthalmoscopy, and fundus photography. Advantages and disadvantages of each technique are discussed.Devin D. Mackay, MD; Valérie Biousse, MD
52 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
53 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
54 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
55 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
56 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
57 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
58 Anatomy of the Orbits on CT and MRIMRI and CT imaging of the orbit.Valérie Biousse, MD
59 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
60 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
61 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
62 Terson Syndrome and Subarachnoid HemorrhageA case of Terson syndrome resulting with subarachnoid hemorrhage and right vitreous hemorrhage resulting from a left pericallosal artery aneurysm. Figure 1 : External photograph of right eye demonstrates blunted red reflex secondary to vitreous hemorrhage Figure 2 : External photograph of left eye d...Joshua Levinson, MD; Valérie Biousse, MD
63 Terson Syndrome With Cranial Nerve 3 Palsy Due to Subarachnoid Hemorrhage from Arteriovenous Malformation and Aneurysmal RuptureA 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
64 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
65 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
66 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
67 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
68 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
69 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
70 Ophthalmic Artery AneurysmSlideshow describing ophthalmic artery aneurysm with MRI imaging.Valérie Biousse, MD
71 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
72 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
73 Large Sellar and Suprasellar Mass (Pituitary Macroadenoma) With Left Third Nerve Palsy and Left Optic Tract CompressionA 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 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
75 Vertical Diplopia Secondary to Skew Deviation With Ocular Tilt Reaction With Multiple Posterior Fossa MetastasesThis 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
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