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Optic disc drusen Radiology

Optic disc drusen may represent a diagnostic challenge, as it can be misdiagnosed as papilledema, resulting in an imaging work-up for pseudotumor cerebri, optic neuritis, or an intracranial lesion. This often leads to multiple unnecessary clinical and diagnostic studies that can increase patient anxiety and lead to inappropriate utilization of. Bilateral optic nerve head calcification. Case Discussion The findings are those of optic disc drusen , which causes blurring of the optic disc margins on fundal examination, mimicking papilledema Drusen of the optic nerve head. Ann Ophthalmo/1978;10:695-704 4. Spencer WHo Drusen of the optic disc and aberrant axoplasmic transport. Am J Ophthalmol 1978;85: 1-12 5. Tso MON. Pathology and pathogenesis of drusen of the optic nerve head. Ophthalmology 1981 ;88: 1 066-1 080 6. Wise GN, Henkind P, Alterman M. Optic disc drusen an Objective To determine the best imaging procedure for diagnosing drusen of the optic nerve head.. Methods We reviewed retrospectively the clinical records of 142 patients (261 eyes) with suspected drusen of the optic disc. The patients were referred to our hospital over a 7-year period and evaluated by B-scan echography, orbital computed tomographic (CT) scan, and/or preinjection control. Disc drusen are composed of small proteinaceous material that become calcified with advancing age. These deposits can be considered small tumors that develop within the optic nerve head, and may lead to an elevated disc (and therefore this condition is sometimes referred to as pseudopapilledema). They can be associated with retinitis pigmentosa, angioid streaks, Usher syndrome, .

16 public playlist include this case. Orbits by Dr Nelson Trieu . Manzoor-Rad Head &Neck by Manzoor Ahmad. Neuro by Dr Alborz Jahangiri. Primer - Head & Neck - Orbits by Aman. pads by Dr Alborz Jahangiri. HEAD AND NECK by Dr Arthur Daire. Manzoor-Rad CNS by Manzoor Ahmad. Manzoor-Rad Mixed (part 4) by Manzoor Ahmad Optic disc drusen (ODD) are predominantly calcified deposits in the optic nerve head with an estimated prevalence of 2.4% ().The condition is generally benign, with rare complications such as anterior ischemic optic neuropathy and retinal vascular occlusions ().Confusion can arise because the frequently observed protrusion of the optic disc and blurring of the optic disc margin can be mistaken. Optic nerve head drusen (ONHD) are globular, often calcified, hyaline bodies located within the optic nerve head. The incidence of ONHD is 3.4 per 1000 in clinical studies; however, a higher rate of 10 to 20 per 1000 has been reported in autopsy studies. Pedigree studies suggest that drusen of the optic disc is a hereditary anomaly most compatible with the theory of irregular dominance with. Papilledema is an ophthalmoscopic diagnosis and refers to swelling of the optic disc. The MRI appearance relates to the dural anatomy of the optic nerve, which is continuous with the subarachnoid space, thereby allowing increased intracranial pressure (ICP) to be transmitted to the optic disc. The causes are protean, a veritable Augean stable of conditions (see below), the most common of which. With B-scan ultrasound, drusen appear highly reflective, and papilledema shows a distended optic nerve sheath. In FA, late dye leakage beyond the disc margin indicates papilledema. In addition, drusen may autofluoresce, and you may observe an increased number of capillaries and venous congestion with papilledema

Article - Optic Disc Drusen - Applied Radiolog

Optic disc drusen (ODD) are globules of mucoproteins and mucopolysaccharides that progressively calcify in the optic disc. They are thought to be the remnants of the axonal transport system of degenerated retinal ganglion cells. ODD have also been referred to as congenitally elevated or anomalous discs, pseudopapilledema, pseudoneuritis, buried disc drusen, and disc hyaline bodies Updates on ophthalmic imaging features of optic disc drusen, papilledema. , and optic disc edema. Correspondence to Dr Yaping Joyce Liao, MD, PhD, Associate Professor, Department of Ophthalmology, Stanford University Medical Center, 2452 Watson Court, Palo Alto, CA 94303-5353, USA. Tel: +1 650 723 6995; fax: +1 650 725 6619; e-mail: yjliao.

Optic disc drusen Radiology Case Radiopaedia

  1. Four cases of optic disk drusen were accurately diagnosed with orbital computed tomography (CT). The radiologist should be aware of the characteristic CT finding of discrete calcification within an otherwise normal optic disk. This benign process is easily differentiated from lesions such as calcific neoplastic processes of the posterior globe
  2. Imaging findings: CT demonstrates a punctuate calcification at the optic disc. Drusen is caused by the accumulation of mucopolysaccharides and proteinaceous material on the surface of the optic disc, which can become calcified with advancing age. There is an inherited form with an autosomal trait with irregular penetrate
  3. Differentiating optic disc edema (ODE) caused by papilledema or other optic neuropathies from optic nerve head drusen (ONHD) is important clinically but can be difficult even with fluorescein angiography, B-scan ultrasonography, and computed tomography. 1-6 The appearance of the optic nerve on optical coherence tomography (OCT) in ONHD and ODE has been described in the literature, but these.
  4. ated hyaline deposits situated in the prela
  5. 8. Malmqvist L, Wegener M, Sander BA, Hamann S. Peripapillary retinal nerve fiber layer thickness corresponds to drusen location and extent of visual field defects in superficial and buried optic disc drusen. J Neuroophthalmol. 2016;36:41-45

• A 42-year-old woman presented with a history of headache. Results of fundus-copic examination revealed elevated disc margins and bilateral optic nerve head drusen. Lumbar puncture, head computed tomography, and fluorescein fundus angiography results were consistent with the diagnosis of pseudotumor cerebri and coexistent disc drusen Optic disc drusen were visible on the nasal portion of the optic disc (Figure, B) in the left eye on fundus photography and both eyes with fundus autofluorescence and enhanced-depth imaging-optical coherence tomography. Enhanced-depth imaging-optical coherence tomography of the optic disc also demonstrated peripapillary hyperreflective. Acute visual loss in a patient with optic disc drusen. Clin Ophthalmol. 2013. 7:795-9. . . Sato T, Mrejen S, Spaide RF. Multimodal Imaging of Optic Disc Drusen. Am J Ophthalmol. 2013 May 12. . Merchant KY, Su D, Park SC, Qayum S, Banik R, Liebmann JM, et al. Enhanced Depth Imaging Optical Coherence Tomography of Optic Nerve Head Drusen.. Drusen are small yellow deposits of fatty proteins (lipids) that accumulate under the retina.. The retina is a thin layer of tissue that lines the back of the inside of the eye, near the optic nerve

Optociliary shunt vessels, also known as retinochoroidal shunt vessels of the optic disc, are collateral vessels on the optic nerve that connect the choroidal and retinal circulations. They are associated with multiple conditions including central retinal vein occlusion, optic nerve sheath meningioma, chronic glaucoma and chronic papilledema Aim: To evaluate the diagnostic value of systematic ophthalmologic imaging examination in the diagnosis of embedded optic disc drusen (ODD) in adolescents with mild visual impairment. Methods: Eleven patients were evaluated through optometric examination, fundus photography, visual field inspection, optical coherence tomography (OCT), ultrasonography (US), and fundus fluorescein angiography (FFA) Optic nerve head drusen rarely cause severe visual loss. 1 Optical coherence tomography and autofluorescence imaging might help distinguish drusen from optic disc edema. 2,3 Neuroimaging is recommended in cases of substantial visual acuity or field loss to rule out compressive optic neuropathy. Consider optic disc drusen in optic disc swelling to ensure appropriate investigations and management We report a patient with optic disc drusen, a common anomaly that may mimic papilloedema (swelling of the optic discs as a result of raised intracranial pressure). We suggest that optic disc drusen (globular collections of calcific material in the optic nerve head1) should be considered.

  1. h funduscopic or ultrasonographic evidence of optic disc drusen. Demographics, presenting symptoms, visual acuity, refractive error, intraocular pressure, presence of an afferent pupillary defect, cup-to-disc ratio, appearance of the optic nerve, and visual field were recorded. Results: Fifty-one (55%) of the eyes were symptomatic; among them, 63% had symptoms of visual acuity loss, and 49%.
  2. Anterior ischemic optic neuropathy associated with disc drusen. J Neuroophthalmol. Mar 1996;16(1):7-8. ↑ Liew SC, Mitchell P. Anterior ischaemic optic neuropathy in a patient with optic disc drusen. Aust N Z J Ophthalmol. Apr 1999;27(2):157-160. ↑ Purvin V, King R, Kawasaki A, Yee R. Anterior ischemic optic neuropathy in eyes with optic.
  3. Drusen are classified into two categories: retinal and optic disc. When they are located in the optic nerve head, they are either buried or superficial (visible). B-scan echography is the best method for diagnosing the presence of drusen (4,5), but detection of autofluorescence (2) and fluorescein angiography (4) may also be used

Optic Disc Drusen. Bilateral calcifications in optic discs shown on this non contrast CT. Sometimes it can be incidental finding. This young patient had visual symptoms. I suppose we can see ODD more often due to thin slices of the CT we use Optic disk drusen are relatively benign lesions of the eye but can cause visual symptoms and may occasionally mimic papilledema on funduscopy. We studied the range of sonographic findings and determined if sonography can be used to diagnose this condition in the absence of typical funduscopic findings Introduction. Optic nerve head drusen (ONHD) are acellular, calcific deposits which typically occur in small, crowded optic discs with abnormal vasculature. 1 When ONHD are on the optic disc surface, they usually can be easily visualized as refractile, beige, rounded deposits on ophthalmoscopy. However, when the drusen are buried within the optic nerve head, the optic discs may appear elevated. Optic Disc Drusen Papers. We are pleased to highlight 4 recent publications on optic disc drusen. 1. Yan Y, Ludwig CA, Liao YJ: Multimodal Imaging Features of Optic Disc Drusen. American journal of ophthalmology 2021, 225:18-26. Highlights from this paper: This is a large study of 786 patients with optic disc drusen and analysis of their. Overview. Optic disc drusen (ODD) are acellular deposits of calcium, amino and nucleic acids, and mucopolysaccharidesa (Friedman et al. 1977; Tso 1981).They are located in front of lamina cribrosa in the optic nerve head of 0.3-2.4% of the population (Lorentzen 1966; Auw‐Haedrich et al. 2002).The majority of cases are bilateral

A Comparison of Imaging Techniques for Diagnosing Drusen

  1. Optic nerve drusen are abnormal collections of protein and calcium that accumulate within the optic nerve. Drusen are often present in both eyes (bilateral), but sometimes occur in only one eye (unilateral). The pictures below illustrate the appearance of the optic nerve as seen by your ophthalmologist. The optic nerve is the round, yellow/pink.
  2. ation of optic disc drusen may generate an artifact - the so-called twinkling artifact - which can simulate blood flow and make evaluation of the central retinal vessels impossible
  3. Other common calcifications are at the optic nerve head within the eye, also called 'optic disc drusen'. These are usually asymptomatic, but when the ophtomologist inspects the eye, there is the impression of papilledema, i.e. pseudo-papilledema

Optic Disc Drusen - EyeWik

Drusen Radiology Case Radiopaedia

  1. ation in the diagnosis of embedded optic disc drusen (ODD) in adolescents with mild visual impairment. Methods . Eleven patients were evaluated through optometric exa
  2. Retinal astrocytic hamartomas are the most common ocular finding of tuberous sclerosis complex. Note the obvious calcified astrocytic hamartomas in both eyes, commonly referred to a mulberry lesions due to their multinodular appearance. The right fundus also contains a more subtle non-calcified astrocytic hamartoma which can be spotted as a hazy area overlying the superotemporal arcade
  3. 6. Pineles S, Arnold A. Fluorescein angiographic identification of optic disc drusen with and without optic disc edema. Journal of Neuroophthalmology. 2012;(32)1:17-22. 7. Wester S, Fantes F, Lam B, et al. Characteristics of optic nerve head drusen on optical coherence tomography images. Ophthalmic Surg Lasers Imaging. 2010;41(1):83-90. 8
  4. Superficial drusen appear as autofluorescent bodies that are visible on fundus photographs using appropriate filter prior to fluorescein dye injection. As the progression of the drusen interferes with the blood supply of the optic nerve, several conditions may result: Acute swelling of the optic nerve. Splinter hemorrhage
  5. Alfredo A. Sadun, Michelle Y. Wang, in Handbook of Clinical Neurology, 2011 Funduscopic features. Optic disc drusen often appear with small and crowded optic discs that have a lumpy, bumpy appearance. Drusen are most often concentrated in the nasal half of the optic disc with associated vascular anomalies such as tortuous and dilated veins, cilioretinal arteries, and optociliary shunt vessels.

Three other patients were considered true-negative results because US examination demonstrated a normal ONSD (<5 mm) with normal ICP in spite of swollen optic disc by ophthalmoscope, in which the US demonstrated optic disc drusen in two patients, and the third patient was a pregnant woman and the diagnosis is still unknown Rarely, chorioretinal folds precede the disc edema, suggesting that increased sheath pressure may even indent the globe prior to reducing retrolaminar flow. 18 Chorioretinal folds associated with papilledema are typically coarse and horizontal in the macula and fine and curvilinear at the nasal side of the optic disc (See Figure 9). In some. The optic nerve begins to display pallor two to three weeks after onset, with resolution of disc edema around two months later. It is common for the fellow eye to have a small or absent cup. This is frequently referred to as a disc at risk, because upon swelling from ischemia, a compartment syndrome may develop and cause further ischemic damage Drusen bodies are located at the level of the optic nerve head. Drusen bodies are found in < 1% of the population and may be familial. When the drusen body is deep, it may elevate and blur the margins of the optic disc and clinically mimic papilledema Welcome to the Department of Radiology at the University of Florida College of Medicine in Jacksonville, Florida. Rao D, Fiester P. Case Reports: Optic Disc Drusen. Applied Radiology. 2020;49(6):54-5. PubMed PMID: WOS:000589713000012. Fiester P, Rao D, Soule E, Andreou S, Haymes D. The Medial Longitudinal Fasciculus and Internuclear.

Optic disc drusen (ODD) are defined as a form of calcific degeneration of the optic nerve. Visual field defects are seen in nearly 90% of the cases. We.. Introduction. Optic disc drusen are acellular calcified deposits believed to arise from disrupted axonal flow in the prelaminar portion of the optic nerve head.1 They were first described histologically by Müller in 1858.1 Drusen is the plural form of a German word used to describe small crystals in spaces inside a rock. Strictly speaking therefore the singular is druse but this has been.

The Optic Disc Drusen Studies Consortium Recommendations

Boldt HC, Byrne SF, DiBernardo C. Echographic evaluation of optic disc drusen. J Clin Neuroophthalmol 1991; 11:85. Merchant KY, Su D, Park SC, et al. Enhanced depth imaging optical coherence tomography of optic nerve head drusen. Ophthalmology 2013; 120:1409. Mustonen E, Nieminen H. Optic disc drusen--a photographic study. I Introduction. Optic disc drusen (ODD) are acellular deposits located in the optic nerve head shown in postmortem studies in up to 2.4% of the population. 1 Different theories explain the reason for their formation. A narrow scleral canal and a genetical predisposition for these accumulations, which are believed to be a by-product of axoplasmic metabolism, are hypothesised. Theories aimed at explaining the pathogenesis of optic disc drusen include: axonal degeneration of the optic nerve head, mesodermal dysgenesis of the optic nerve head resulting in a small sclera. Drusen typically occurs in optic discs with small cups. Drusen can be buried underneath the optic disc or be on the surface of the optic disc, where they are more likely to be visible, and are. Optic disc drusen (ODD), high hypermetropic discs, vitreo-papillary traction, anomalous disc malformations (e.g. myelinated nerve fibres) o Arteritic or non-arteritic ischaemic optic neuropathy, sequential /bilateral On History Vincent's radiology where indicated

Optic Nerve Head Drusen - EyeWik

Glaucomatous optic neuropathy differs from other diseases of the optic nerve, because it does not cause swelling or pallor. 13 In glaucoma, localized areas of thinning (notches) most often occur in the inferior and superior quadrants of the optic nerve. 5,6,14 Over time, we observe vertical enlargement of the cup-to-disc ratio, with. We report a case of optic disc drusen (ODD) associated with peripapillary polypoidal choroidal vasculopathy (PCV). A 62-year-old Malay lady presented with both eye ODD and the left eye associated with peripapillary subretinal hemorrhage. Ultrasound B-scan and red-free photography confirmed the optic nerve head drusen findings bilaterally In this symposium, we will review current applications of AI in neuro-ophthalmology, advances and diagnostic utility of OCTA, new diagnostic techniques for optic disc drusen, and conclude with novel and current management of two critically important neuro-ophthalmic conditions, NMO and IIH Fig 1- Gray scale sonograms showing optic disc drusen in the left eye (a) and the right eye (b). Fig 2- Color Doppler sonograms of the left eye showing the twin-kling artifact: color mosaic behind optic disc drusen (a) and reverber-ating vertical lines instead of blood flow spectrum (b). a a b

Optic disc drusen (ODD) are also known as hyaline bodies and are a relatively common entity. They are usually found incidentally on CT or on follow-up of abnormal fundoscopy. Ultrasound Ocular ultrasound demonstrates an echogenic focus within or on the surface of the optic nerve head. Posterior acoustic shadowing may be present with larger lesions Systemic associations 1) Pagets 2) Alagilles 3) NF 4) Tuberous sclerosis Complications 1) Visual Field loss (can be progressive) 2) CNV 3) Vascular occlusion - acute changes in drusen --> patient reports flashing lights, disc haemorrhage is seen - can cause an RAPD (must be a diagnosis of exclusion

Papilledema Radiology Reference Article Radiopaedia

Optic nerve colobomas may be seen in a multitude of ocular and systemic abnormalities including the CHARGE association ( c oloboma, h eart disease, a tresia choanae, r etarded growth and development and/or central nervous system anomalies, g enetic anomalies and/or hypogonadism, e ar anomalies and/or deafness). Figure 623-1 Optic nerve coloboma Humphrey's visual field analysis revealed an enlarged blind spot. Dilated funduscopy showed an elevation of the left optic disc. A B-scan was performed to exclude optic disc drusen and a 'cyst' was identified behind the left optic disc, which was further confirmed with optical coherence tomography (OCT), as shown in Fig. 1 The purpose of this CME course on optic disc drusen is to teach: (1) how optic disc drusen manifest in adults in children and how they cause vision loss, (2) genetic and systemic conditions associated with optic disc drusen, (3) biomarkers for optic disc drusen and vision loss, and (4) treatment and clinical trial design for optic disc drusen Buried optic disc drusen Visual function is the best way to differentiate papilledema and bilateral optic neuropathies. This patient has reduced vision function (reduced visual acuity and an RAPD), suggesting there is a bilateral optic neuropathy

Optic neuritis describes any condition that causes inflammation of the optic nerve; it may be associated with demyelinating diseases, or infectious or inflammatory processes. It is also known as optic papillitis (when the head of the optic nerve is involved), neuroretinitis when there is a combined involvement of optic disc and surrounding retina in the macular area and retrobulbar neuritis. The doctor will look at the optic disc, the point at the back of the eye where the optic nerve enters. In optic atrophy, the optic disc will be pale because of a change in the flow in the blood vessels. The ophthalmologist may also perform other tests to measure your vision and peripheral and color vision In some cases yes: The most common cause of a raised optic disc is a benign condition called optic nerve head drusen. However, additional testing is needed to differentiate this from optic disc swelling, or papilledema. Optic disc swelling indicates a potentially serious problem such as elevated pressure of the fluid around the brain

The term optic nerve hypoplasia should be reserved for cases that show hypoplasia as the main or sole anomaly of the nerve (e.g., colobomas of the optic nerve usually show hypoplastic nerves, but the main event is the coloboma, not the hypoplasia). Also, in situations in which multiple anomalies of the eye or brain or both are present, it is difficult to determine whether the optic nerve is. Quadrantanopia, quadrantanopsia, refers to an anopia affecting a quarter of the field of vision. It can be associated with a lesion of an optic radiation. While quadrantanopia can be caused by lesions in the temporal and parietal lobes, it is most commonly associated with lesions in the occipital lobe Opthalmology Week 1 - 3rd Year Ophthalmology Notes. Module: Medicine (MED-MB-S) C l i n i c a l S k i l l s ( O p h t h a l m o l o g y) Ophthalmic His tory T aking. - Presen ting Complaint: Fron t of ey e: P ain, R edness, Dischar ge, Pho tophobia. Back of ey e: Flasher s, Float ers, Shadows Radiology (584) Rheumatology (98) Sports Medicine (130) which makes it difficult to differentiate from a true optical disc oedema. Despite it being rare, the drusen of the optic nerve and the papilloedema secondary to idiopathic intracranial hypertension can coexist in the same patient. the drusen of the optic nerve and the papilloedema. Optic disc drusen (ODD) are calcified deposits found at the anterior optic nerve in about 2% of the general population. It affects both children and adults and can sometimes run in families. It is an important risk factor for optic neuropathy and vision loss. Vision loss in ODD can be progressive or sudden and irreversible, like vision loss in.

Diagnosis of superficial drusen is generally made with dilated fundoscopic examination. ONHD typically shows yellow bumpy deposits over the optic disc and often gives the appearance of an edematous optic nerve with abnormal vascular patterns. B-scan ultrasonography and computed tomography (CT) are useful mo-dalities to detect deeply buried drusen Fundoscopic image demonstrates optic nerve drusen which can be mistaken for papilledema, however there is a more distinct nodular appearance in optic nerve drusen and no vessel obscurations. Clinical Information: Patients are usually asymptomatic; rarely may have transient visual impairments. Fundoscopy shows small optic disk with irregular. Optic disc drusen demonstrate a hyperechogenic artifact in B mode ultrasound. J Clin Neurosci. 2016;23:111-119. 3. Zaouali S, Abroug N, Khochtali S, et al. Optic nerve head drusen: a comparative study of 10 MHz and 20 MHz ultrasound probes. Int Ophthalmol. 2015;35:229-232. 4. Naoum S, Bouacha I, Drumare I, et al. [Optic disc drusen i Coexistence of optic disc drusen and idiopathic intracranial hypertension in a non-obese female Pradeep A Venkataramana 1, Preetham B Patil 2, Shivabasappa V Koti 1, Varna Shetty 2 1 Department of Ophthalmology, Sri Dharmasthala Manjunatheshwara College of Medical Sciences and Hospital, Sattur, Dharwad, Karnataka, India 2 Department of Radiology, Sri Dharmasthala Manjunatheshwara College of.

Drusen of the optic nerve head | Image | Radiopaedia

Optic disc drusen are calcified hyaline-like deposits in the optic nerve head. They occur in 0.4 to 20.4 % of the population and may be bilateral (67-91 %) [ 32 ]. They are usually asymptomatic, but may cause blurring or loss of vision optic nerves may look fuller, but not be truly swollen, explained Dr. Chen. The patient might have optic disc drusen or a congested optic nerve, or just have been born with anomalous-looking nerves. Demographic delusion. Demographics, combined with headache and fundus findings, can mistakenly lead to a diagnosis of IIH, sai Diagnosing Optic Disc Drusen in the Modern Imaging Era: A Practical Approach Neuro-Ophthalmology Costello, F., et al 2021; Updates on ophthalmic imaging features of optic disc drusen, papilledema, and optic disc edema. Current opinion in neurology Yan, Y., Liao, Y. J. 202 Arcuate scotoma is a type of scotoma extending from the blind spot and arching into the nasal field following the lines of retinal nerve fibers.. Types. An arcuate scotoma may be relative or absolute. In the temporal portion of the field, it is narrow because all of the nerve fiber bundles converge onto the optic nerve

Optic disc drusen (ODD) are hyaline-like deposits localized in the prelaminar portion of the optic nerve head. The prevalence of the ODD is estimated at 0.3-2.0%; in 66-92% of the cases, the. Optic disc drusen (prevalence of 2%) usually manifest as bilateral calcified nodules within the optic nerve head, producing a lumpy optic disc appearance.1 They are asymptomatic but can be complicated by haemorrhages, peripapillary neovascular membranes, anterior ischaemic optic neuropathy and visual field loss.1 2 They are frequently mistaken for papilloedema (bilateral optic disc swelling. Multimodal ophthalmic imaging of nonarteritic anterior ischemic optic neuropathy with and without optic disc drusen. Journal of Neuro-Ophthalmology . Diagnosing Optic Disc Drusen in the Modern Imaging Era: A Practical Approach Costello, F. (2021) Uehara M, Inomata H, Yamama Y, et al. Optic disc drusen with central retinal artery occlusion. Jpn J Ophthalmol 1982;26:10-7. CAS PubMed Google Scholar 24. Newman NJ, Lessell S, Brandt EM .. Calcifications. In adults the most common intraorbital calcifications occur at the tendinous insertion of the ocular muscles. Other common calcifications are at the optic nerve head within the eye, also called 'optic disc drusen'. These are usually asymptomatic, but when the ophtomologist inspects the eye, there is the impression of papilledema, i.e. pseudo-papilledema

3 Radiology Department, Hospital de Viladecans, Viladecans, Spain 4 Ophthalmology Department, Hospital de Viladecans, Optic disc Drusen Post-surgical conditions Pseudophakia Scleral buckle Silicone oil Perfluorocarbon liquids (PFCL) Intraocular air and gas Fig. 1 Diagram illustrating ocular anatomy. The anterior segmen drusen of optic disc, optic disc drusen, optic nerve drusen Imaging device Fundus camera Description An 11-year-old boy presented with transient blurry vision, VA:20/20 bilaterally. He has pseudo optic disc swelling only in the right eye ; margin is blurred but the pattern of vessels are normal and there are some yellowish deposits on the. Journal Highlights. Journal of Neuro-Ophthalmology Published online Jan. 16, 2020. Download PDF. Rueløkke et al. compared the preva­lence of known risk factors for nonar­teritic anterior ischemic optic neurop­athy (NA-AION) in patients with the condition and in a subset of those with optic disc drusen (ODD-AION).They found that ODD may be a risk factor in the development of AION Papilloedema is really an ophthalmoscopic diagnosis, referring to swelling of the optic disc. The MRI appearance relates to the dural anatomy of the optic nerve, which is continuous with the subarachnoid space, thereby allowing increased intracranial pressure (ICP) to be transmitted to the optic disc. The causes are protean, a veritable Augean.

PPT - CONGENITAL OPTIC NERVE ANOMALIES PowerPoint

Diagnosis and Management of Optic Disc Elevatio

Optic nerve head Drusen are a mostly bilateral change of the optic nerve, eventually causing a slow, but progression loss of the visual fields. Characteristic are the crystalline deposits at the entrance of the optic nerve, the so called optic disc. The material consists of calcium, calcium phosphate, iron, but also amino acids and polysaccharides optic disc drusen, drusen of optic disc, optic nerve drusen Imaging device Heidelberg spectralis Description Autofluorescence imaging shows heper AF on the optic nerve head specially superiorly due to drusen in the same patient #2. Related file Case Report of Non-Arteritic Ischemic Optic Neuropathy (NAION) Grand Rounds by Dr. Joyce Liao 11/13/2019: AION and Optic Disc Drusen Research at Stanford University Video; Grand Rounds by Dr. Nancy Newman 04/08/2020: CRAO, Optic Neuropathy, Papilledema, Idiopathic Intracranial Hypertension, NMO, Leber's Hereditary Optic Neuropathy, Horner's. Optic Disc C/D: 0.30 OD/OS Radiology C/T done at ER OPTIC DISC DILEMMAS Optic Nerve Head Drusen Optic disc drusen (ODD), high hypermetropic discs, vitreo-papillary traction, anomalous disc malformations (e.g. myelinated nerve fibres) o Arteritic or non-arteritic ischaemic optic neuropathy, sequential /bilateral . CPG6.0. Bilateral Optic Disc Swelling Clinical Practice Guideline. Vincent's radiology where indicated

• When located adjacent to the disc, they may closely resemble optic disc drusens, and in early reports they were termed giant drusen of the optic disc. • In contrast to true optic disc drusens, disc hamartomas originate at the disc margin, with extension to the peripapillary retina arise in the inner retinal layers and typically obscure. Optic disc drusen are acellular calcific deposits occurring in small, crowded optic discs with abnormal vasculature. Evidence suggests axoplasmic transport alteration and axonal degeneration are involved in disc drusen formation. In affected patients, the number and size of disc drusen are highly variable, and the drusen may be visible near the disc surface or buried within the disc, causing.

Optic disc drusen - Wikipedi

seen in 3 and 2 patients respectively. Optic disc involvement by drusen was seen in only 2 cases. Papilledema, coloboma and metastases involving optic nerve were seen in 1 case each. Among the spectrum of the posterior segment eye pathologies detected on high resolution b-mode scan vitreous hemorrhag Calcified optic disc drusen appeared as hyperechoic, highly reflective structures with posterior acoustic shadow (red-circle; Panels c & d) Fig. 2 Fluorescein angiography reveals Optic Disc Drusen ruling out IIH. Arterial phase of FA revealing early nodular staining of the disc due t Optic Disc Drusen. Nerve elevation due to disc drusen is usually apparent in childhood as a full optic nerve that simulates papilledema. As the person ages and this pseudopapilledema changes, the optic nerve takes on a scalloped appearance at the nasal disc margin. Finally, subtle excrescences appear on the surface of the disc

Updates on ophthalmic imaging features of optic disc

Optic atrophy is the final common morphologic endpoint of any disease process that causes axon degeneration in the retinogeniculate pathway. Clinically, optic atrophy manifests as changes in the color and the structure of the optic disc associated with variable degrees of visual dysfunction Stanford Center for Continuing Medical Education, Stanford Optic Disc Drusen: Treatment and Optic Neuropathies, 10/6/2020 12:00:00 AM - 10/6/2023 12:00:00 AM, Internet Enduring Material Sponsored by Stanford University School of Medicine. Presented by the Division of Ophthalmology at Stanford University School of Medicine. The purpose of this CME course on optic disc drusen is to teach: (1.

Computed tomographic identification of calcified optic

Pseudo-papilloedema (or pseudo-disc oedema) are the term used to describe ON variants or abnormalities that mimic papilloedema ophthalmoscopically, including congenital anomalies, tilted optic discs, hypoplastic optic discs, crowded hyperopic discs, optic disc hamartomas, myelinated nerve fibres, and optic disc drusen 1. Without systemic associations Tilted optic disc Optic disc drusen Optic disc pit Myelinated nerve fibres 2. With systemic associations Optic disc coloboma - A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 42666f-ZDM5 Optic Disc Drusen. Lumpy, bumpy optic nerve. Optic Disc Drusen Prognosis > Can be refractile > Can cause optic disc damage so check pupils > Often sick and febrile. Orbital Cellulitis Treatment. Radiology Final Questions. 9 terms. shea_church. OTHER QUIZLET SETS. MBIO First Exam. 35 terms. destinyholtzman

Dr Balaji Anvekar FRCR: Orbital Calcification

Optic disc drusen Radiology Reference Article . Since optic disc is the most important part of retinal fundus image for glaucoma detection, this paper proposes a two-stage framework that first detects and localizes optic disc and then classifies it into healthy or glaucomatous. Method The optic disc or optic nerve head is the location where. Evidence-based information on Optic disk drusen from hundreds of trustworthy sources for health and social care. Search results. Add filter for American College of Radiology (1) Optic disc swelling can be caused by a number of conditions; papilloedema is a specific optic disc swelling.. common congenital optic nerve abnormalities include . underdevelopment - optic nerve hypoplasia or, less commonly, optic nerve aplasia cavitary (excavated) abnormalities . optic nerve coloboma - gaps or excavation in optic nerve ; morning glory disc anomaly - conical excavation of optic disc ; optic nerve pit - depression in optic disc ; optic disc drusen - intra- and extracellular deposits. Optic neuritis usually improves on its own. In some cases, steroid medications are used to reduce inflammation in the optic nerve. Possible side effects from steroid treatment include weight gain, mood changes, facial flushing, stomach upset and insomnia. Steroid treatment is usually given by vein (intravenously)

MY E-RADIOLOGY CASES: August 2011Drusen of Optic Disc - Retina Image BankB-scan ultrasound of the patient&#39;s right eye showing aSubstantial Visual Field Loss Associated With Giant OpticOptic Nerve Head Drusen - Red Free - Retina Image Bank

This session is intended to be a supplemental case -based review of neuro -radiology pearls and pitfalls as they relate to imaging in neuro -ophthalmology. A particular focus of this session will be understanding advances in the diagnosis of optic disc drusen , (4) describe new immunotherapies in NMO , and (5 Optic Disc Drusen Studies Consortium recommendation on diagnosis of optic disc drusen using optical coherence tomography (J Neuroophthalmol 2018 Sep) View in topic Subscribe for unlimited access to DynaMed content Disorders of the optic nerve and retina are common causes of afferent visual loss in clinical neurology. The diagnosis of optic neuropathy should be considered when visual loss (affecting visual acuity, color vision, or visual field) is accompanied by abnormal optic disc appearance or a relative afferent pupillary defect (RAPD; see Chapter 17) Acute optic neuropathy associated with an intracranial mass in a patient with POEMS syndrome. March 01, 2012 [ MEDLINE Abstract] Fluorescein angiographic identification of optic disc drusen with and without optic disc edema. March 01, 2012 [ MEDLINE Abstract] Clinical neuro-ophthalmic findings in familial dysautonomia. March 01, 201