Cotton Wool Spots Causes & Reasons

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Cotton Wool Spots Symptom Checker: Possible causes include Preeclampsia. Check the full list of possible causes and conditions now! Talk to our Chatbot to narrow down your search.

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Possible Causes

Preeclampsia

This ischemic state can manifest as reduced arteriolar caliber and arteriovenous ratio, retinal haemorrhages, oedema and cotton wool spots secondary to arteriolar damage, [eyewiki.aao.org]

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Diabetic Retinopathy

The first signs of nonproliferative retinopathy are Capillary microaneurysms Dot and blot retinal hemorrhages Hard exudates Cotton-wool spots (soft exudates) Hard exudates [merckmanuals.com]

spots. [ncbi.nlm.nih.gov]

Cotton-wool spots are areas of microinfarction of the retinal nerve fiber layer that lead to retinal opacification; they are fuzzy-edged and white and obscure underlying vessels [merckmanuals.com]

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Hypertensive Crisis

A dilated fundus examination showed improvement in hemorrhages and cotton-wool spots. [reviewofoptometry.com]

Organ damage can include: Encephalopathy Grade III ( retinal haemorrhages, exudates, cotton wool spots and retinal oedema ) or Grade IV (papilloedema) retinopathy Renal failure [em3.org.uk]

Grade 3 (white cotton wool spots, flame shaped hemorrhage and yellow white exudates) and grade 4 (papilledema along with hemorrhage and exudates) retina changes are cardinal [symptoma.com]

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Multiple Myeloma

Physical Examination On head, ears, eyes, nose, and throat (HEENT) examination, the eyes may show exudative macular detachment, retinal hemorrhage, or cotton-wool spots. [emedicine.medscape.com]

Examination for MM may reveal the following: HEENT examination: Exudative macular detachment, retinal hemorrhage, or cotton-wool spots Dermatologic evaluation: Pallor from [emedicine.com]

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Retinopathy

An ocular examination revealed multiple retinal cotton-wool spots and hard exudates. Interferon treatment was suspended. [ncbi.nlm.nih.gov]

The first signs of nonproliferative retinopathy are Capillary microaneurysms Dot and blot retinal hemorrhages Hard exudates Cotton-wool spots (soft exudates) Hard exudates [msdmanuals.com]

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Central Retinal Vein Occlusion

PURPOSE: To report a case series, whereby we encountered a transient increase in retinal cotton wool spots (CWS) following anti-vascular endothelial growth factor (anti-VEGF [ncbi.nlm.nih.gov]

There were intraretinal hemorrhages and cotton-wool spots within the superior vascular arcade and nasal to the optic disc. [ncbi.nlm.nih.gov]

Possible predictors included baseline VA, age, presence of cotton wool spots (CWS), haemorrhages (few scattered or multiple deep), foveal detachment, CRT, time from presentation [ncbi.nlm.nih.gov]

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Peripheral Vasoproliferative Retinopathy

Cotton wool spots may also be seen in other systemic vasculitides, such as polyarteritis nodosa, temporal arteritis, or Wegener's granulomatosis. [ncbi.nlm.nih.gov]

F/A: HF - blockage of background choroidal and retinal capillary fluorescence. 14. • Cotton wool Spots /Soft exudates/ NFL infarcts - Local ischaemia ,axoplasmic flow block [slideshare.net]

cotton wool spots). [patient.info]

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Branch Retinal Vein Occlusion

PURPOSE: To describe and follow cotton wool spots (CWS) in branch retinal vein occlusion (BRVO) using multimodal imaging. [ncbi.nlm.nih.gov]

Patients will have disc swelling and retinal neovascularization, and cotton wool spots. [decisionmakerplus.net]

wool spot in his right macula (fig 1 ). [bmj.com]

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Purtscher's Retinopathy

The most-prevalent bilateral retinal signs include white ischemic infarcts (cotton-wool spots or Purtscher-flecken) and hemorrhages (dot and blot, pre-retinal, or flame). [ncbi.nlm.nih.gov]

Cotton-wool spots in PR represent infarctions of the retinal nerve fiber layer. [ncbi.nlm.nih.gov]

Purtscher described sudden blindness in patients with severe head trauma due to a remote retinopathy, characterised by bilateral retinal haemorrhages, cotton wool spots, and [ncbi.nlm.nih.gov]

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Papilledema

wool spots In chronic phase, optic disc elevation and blurred margins, but no hemorrhages or cotton wool spots In atrophic phase (optic nerve axons have died), optic disc [kellogg.umich.edu]

This usually presents with hemorrhages with or without cotton wool spots extending into the peripheral retina. [metrolinaeye.com]

wool spots and hard exudates may result in complete vision loss. [ncbi.nlm.nih.gov]

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Retinal Phlebitis

Other features include Roth’s spots, cotton wool spots, exudates, retinal venous tortuosity, perivascular sheathing, and neovascularization. [reviewofoptometry.com]

However, the differential diagnosis of retinal hemorrhages with a central white spot, also referred to as a hemorrhagic cotton-wool spot, includes such entities as anemia, [circ.ahajournals.org]

Hyperviscosity states These may cause haemorrhages, cotton wool spots and retinal vein change. [patient.info]

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Optic Nerve Infarction

Prior to optic nerve infarction, hyperemic swelling of the nerve and/or cotton wool spots in the macular area may be the only ophthalmologic finding ( Fig. 18–3 ). [entokey.com]

Exudative signs (Microaneurysms, dot/blot/flame haemorrhages, cotton wool spots exudates) are caused by disruption in blood brain barrier and are non-specific signs, present [oxfordmedicaleducation.com]

Several days later, mild disc edema often appears to affect the retina (arteriolar narrowing, cotton wool spots, retinal edema, cherry-red spot) of the optic nerve head (pallid [ijo.in]

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Hypertensive Retinopathy

presents with a ‘wet’ retina (multiple hemorrhage, multiple exudate, extensive edema, and few cotton wool spots). [web.archive.org]

This can lead to arteriolar necrosis, retinal edema, cotton-wool spots, hemorrhage, and disc edema. [ncbi.nlm.nih.gov]

"cotton wool spots"), hard exudates and in severe cases swelling of the optic disc (optic disc edema), a ring of exudates around the retina called a "macular star" and visual [en.wikipedia.org]

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Acute Hypertensive Retinopathy

Image in 2012: Three years later, the cotton-wool spot completely vanished. [atlasophthalmology.net]

Funduscopic examination shows arteriolar constriction, arteriovenous nicking, vascular wall changes, flame-shaped hemorrhages, cotton-wool spots, yellow hard exudates, and [msdmanuals.com]

Cotton-Wool Spots Cotton-wool spots describe the retinal change resulting from acute blockage of blood flow within a terminal retinal arteriole. [entokey.com]

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Malignant Hypertension

Cotton-wool spots, or cytoid bodies, are not exudates, but rather are retinal infarcts. Hypertensive optic neuropathy is a late finding. [ncbi.nlm.nih.gov]

Decrease in visual acuity (6/7 patients) and scotoma (5/7) were the main symptoms and Elschnig spot, flamed shaped haemorrhage, serous retinal detachment, cotton wool spots [ncbi.nlm.nih.gov]

It is defined clinically as high blood pressure (BP) levels associated with lesions of the retinal fundus (flame-shaped hemorrhages, exudates, or cotton wool spots, with or [ncbi.nlm.nih.gov]

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Arteriosclerotic Retinopathy

Infarction of the nerve fibre layer follows occlusion of pre-capillary arterioles leading to “cotton-wool spots”- so called because of their fluffy white appearance. [ndrs-wp.scot.nhs.uk]

wool spots "), hard exudates and in severe cases swelling of the optic disc ( optic disc edema ), a ring of exudates around the retina called a " macular star" and visual [en.wikipedia.org]

Funduscopic examination shows arteriolar constriction, arteriovenous nicking, vascular wall changes, flame-shaped hemorrhages, cotton-wool spots, yellow hard exudates, and [msdmanuals.com]

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Cytomegalovirus Retinitis

The patient was found to have an exudative retinal detachment involving the fovea, subretinal hemorrhage, cotton wool spots, and active CMV retinitis temporal to the exudative [ncbi.nlm.nih.gov]

October Right Eye : resolution of cotton wool spots Vision sc: 20/50 Left Eye : glial scars along superior arcade; resolution of cotton wool spots adjacent to the nerve Vision [webeye.ophth.uiowa.edu]

Lesions such as cotton wool spots can be visualized on the retina. HIV further predisposes individuals to cytomegalovirus retinitis due to its immunosuppressive effects. [symptoma.com]

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Susac Syndrome

Retinal edema and cotton-wool spots were observed. Fluorescein angiography showed bilateral peripheral occlusive arterial vasculopathy. [ncbi.nlm.nih.gov]

(D) Right eye color fundus photography; arrows show cotton wool spots. (E) White arrow shows BRAOs and black arrow shows ischemic areas. [pediatricneurosciences.com]

Funduscopy revealed cotton wool spots and ischaemic cloudy swelling of the retina. [tandfonline.com]

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Ocular Toxoplasmosis

Ocular toxoplasmosis and Fuchs' heterochromic cyclitis are well-defined diseases that have completely different clinical courses. We studied 13 patients (seven men and six women, ranging in age from 18 to 73 years) who had Fuchs' heterochromic cyclitis and the focal necrotizing chorioretinal lesions characteristic of[…] [ncbi.nlm.nih.gov]

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Radiation Retinopathy

The findings in the right eye were normal except for cotton wool spots in the superior major arch. [ncbi.nlm.nih.gov]

The most commonly encountered ophthalmoscopic signs of retinopathy include retinal hard exudates, hemorrhages, microaneurysms, cotton-wool spots, and telangiectases. [ncbi.nlm.nih.gov]

Progressive reductions in retinal hemorrhages, exudates, cotton-wool spots, and microangiopathy were documented by photography, angiography, and OCT/SLO imaging. [ncbi.nlm.nih.gov]

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Optic Papillitis

Optic disk swelling with cotton-wool spots and hemorrhages. (B) Retinal exudates Cotton wool spots are an abnormal finding on fundoscopic exam of the retina of the eye. [de.slideshare.net]

wool spots. [eyewiki.org]

Cotton wool spots are an abnormal finding on fundoscopic exam of the retina of the eye. They appear as fluffy white patches on the retina. [de.slideshare.net]

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Benign Concentric Annular Macular Dystrophy

wool spots Cotton wool spots Cotton wool spots are soft exudates seen as white fluffy superficial deposits in retina Causes are Diabetic retinopathy Hypertensive retinopathy [rxpgonline.com]

[…] macula ETDRS study showed benefit of focal or grid laser Staging & Follow-Up Mild -- occasional microaneurysms (q12 months) Moderate -- more MAs and scattered hard exudates/cotton-wool [goldsberry.org]

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Retinal Arterial Branch Occlusion

Color fundus photographs demonstrate extensive retinal hemorrhages and cotton-wool spot formation.Vein obstruction is localized at the arterial venous crossing. [od-os.com]

Cotton wool spots in the distribution of a branch retinal artery, corroborated by fluorescein angiography, suggest BRAO [6]. [eyewiki.aao.org]

Narrowed branch retinal artery, boxcarring, segmentation of the blood columns, cotton-wool spots, and emboli are other possible findings. [emedicine.medscape.com]

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Retinal Artery Embolism

wool spot - Soft exudate - 망막 혈관 폐쇄 (막힘) 질환 망막 정맥 폐쇄(Retinal vein occlusion, RVO)의 원인, 발생기전 - 망막 혈관 질환 임신성 고혈압, 전자간증, 자간증과 눈의 변화 - 임신, 임산부에서의 망막질환 임산부, 임신시 발생할수 있는 망막 질환, [eyeamfinethankyou.com]

Occasionally, an embolus (cholesterol, fibrinoplatelet, calcific) can be seen within the artery, and cotton wool spots may eventually occur around that area. [patient.info]

Photograph shows multiple retinal hemorrhages, hard exudates and cotton wool spot. [ekjm.org]

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Non-Cranial Giant Cell Arteritis

Additional ophthalmic manifestations include isolated cotton-wool spots, cranial-nerve palsies, ocular hypotony, and pupillary abnormalities. 2 To detect these conditions, [nejm.org]

wool spots and disc abnormalities on fundoscopy murmurs of aortic regurgitation indicating ascending aortic aneurysm limb gangrene return to top Investigations lab investigations [sharinginhealth.ca]

Other signs that may be associated with AAION include cotton wool spots, central retinal artery occlusion, branch retinal artery occlusion and cranial nerve involvement (especially [reviewofoptometry.com]

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Secondary Polyarteritis nodosa

In the posterior pole, this may manifest as hypertensive retinopathy replete with macular star formation, cotton-wool spots, and intraretinal hemorrhage in patients with renal [aao.org]

PAN is also associated with heterogeneous ocular manifestations, such as cotton wool spots, the most prevalent, and optic neuritis (ON), which is less frequent ( 6 ). [frontiersin.org]

Pericardial friction rub Arrhythmias Congestive heart failure Ophthalmologic symptoms Ophthalmologic symptoms of PAN include the following: Retinal vasculitis Retinal detachment Cotton-wool [emedicine.medscape.com]

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Essential Hypertension

We describe a case of bilateral papillophlebitis with disc edema, scattered cotton-wool spots, flame-shaped hemorrhages, and exudates around the optic discs and in the macula [ncbi.nlm.nih.gov]

(cotton-wool spots) Microaneurysms Shunt vessels Collaterals Chronic hypertensive retinal changes include the following: Arteriolosclerosis: Localized or generalized narrowing [emedicine.medscape.com]

[…] can result from malignant hypertension include the development of the following acute retinal lesions: Focal intraretinal periarteriolar transudates Inner retinal ischemic spots [emedicine.medscape.com]

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Eales Disease

SLE manifests more like hypertensive retinopathy than vasculitis, presenting typically with cotton-wool spots and retinal hemorrhages, and sometimes, choroidopathy. 31 Only [entokey.com]

Trolard on the right side Click here to view Figure 3: Picture of retina showing neovascularization, microaneurysms, arteriovenous shunts, venous beading, hard exudates, and cotton‑wool [neurologyindia.com]

[…] suggestive of other conditions like systemic vasculitides. 11, 18 Other clinical features which suggest alternative inflammatory etiologies are exudative or focal vasculitis, cotton-wool [entokey.com]

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Optic Disc Drusen

Paton’s lines, described as retinal folds or buckling, may also be present. 8 More advanced stages of true papilledema manifest with peripapillary cotton wool spots and retinal [reviewofoptometry.com]

wool spots) Optic Nerve pallor Interpretation Suggests Increased Intracranial Pressure Causes: Pseudopapilledema Optic disc drusen Tilted optic disc Diagnostics Stereoscopic [fpnotebook.com]

The presence of exudates, cotton wool spots, or hemorrhages is rare in most conditions associated with optic disc swelling other than papilledema and the non-arteritic form [news-medical.net]

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Temporal Arteritis

One week later, there were multiple cotton wool spots in the posterior pole, a relative afferent pupillary defect, and subtle visual field loss in the left eye. [ncbi.nlm.nih.gov]

Cotton-wool spots were seen in one third of the eyes. Peripheral triangular chorioretinal ischemic lesions were seen in 10 eyes. [web.archive.org]

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