Items tagged “eye”

65 results found
Article

Calcification of the globe (differential)

Calcification of the globe has many causes, varying from the benign to malignant. When calcification is seen of the posterior half of the globe, it could relate to any of the layers (scleral, choroidal or retinal), as it is not possible to separate them out on CT. Retinal drusen: 1% population...
Article

Ectopia lentis

Ectopia lentis refers to subluxation or dislocation of the lens of the eye secondary to dysfunction or disruption of zonular fibres.  Pathology Aetiology trauma systemic and syndromic disorders Marfan syndrome typically upwards and out most common spontaneous cause 2 homocystinuria -  ty...
Case

Retinal detachment

Retinal Detachment
 Diagnosis certain
A.Prof Frank Gaillard
Published 22 May 2008
74% complete
MRI
Case

Enophthalmos due to anorexia nervosa

 Diagnosis almost certain
A.Prof Frank Gaillard
Published 02 Jan 2009
62% complete
CT
Article

Coloboma

Coloboma is collective term encompassing any focal discontinuity in the structure of the eye, and should not be confused with staphylomas, which are due to choroidal thinning.  Pathology Most commonly colobomas are due to failure of closure of the choroidal fissure posteriorly. Typically colob...
Case

Multiple myeloma of the orbit

 Diagnosis certain
A.Prof Frank Gaillard
Published 15 Apr 2009
71% complete
CT
Case

Coats disease of the eye

 Diagnosis almost certain
Dr Michael Sargent
Published 22 Apr 2009
56% complete
CTUltrasoundMRI
Article

Trilateral retinoblastoma

Trilateral retinoblastoma refers to the combination of retinoblastoma (usually bilateral) and pineoblastoma. This relationship highlights the close relationship between these highly aggressive small round blue cell tumours. It affects only a minority of patients with retinoblastoma (1.5-5%) and...
Case

Drusen

Drusen
 Diagnosis almost certain
A.Prof Frank Gaillard
Published 05 Apr 2010
53% complete
CT
Article

Optic disc drusen

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. Epidemiology Optic disc drusen are identified radiographically in up to 0.3-3.7% of the population and are frequently b...
Article

Choroidal osteoma

Choroidal osteomas are rare benign calcific masses of the globe.  Epidemiology Choroidal osteomas are typically found in young Caucasian women 1. A number of familial cases have been reported 3.  Clinical presentation These lesions are usually unilateral (75%), and result in painless and gra...
Article

Retinoblastoma

Retinoblastomas are the most common intraocular neoplasm found in childhood, and with modern treatment modalities are, in most cases, curable. On imaging, they are generally characterised by a heterogeneous retinal mass with calcifications, necrotic components, and increased vascularisation on ...
Article

Retinoblastoma (staging)

A number of systems have been devised to stage retinoblastoma, with various end-points, and multiple systems are often used concurrently. The Reese Ellsworth classification is assessed with fundoscopy and aims at predicting the chance of preserving the eye with external beam radiotherapy 3. Mo...
Case

Retinoblastoma

Retinoblastoma : T2
 Diagnosis certain
A.Prof Frank Gaillard
Published 20 Apr 2010
68% complete
MRI
Case

Retinoblastoma fundoscopy

Retinoblastoma fu...
 Diagnosis not applicable
A.Prof Frank Gaillard
Published 20 Apr 2010
27% complete
MRI
Case

Retinoblastoma: gross pathology

Retinoblastoma - ...
 Diagnosis not applicable
A.Prof Frank Gaillard
Published 20 Apr 2010
29% complete
Photo
Case

Retinoblastoma - leukocoria

Retinoblastoma - ...
 Diagnosis not applicable
A.Prof Frank Gaillard
Published 20 Apr 2010
32% complete
Photo
Case

Drusen - histology

Drusen

Image cou...
 Diagnosis not applicable
A.Prof Frank Gaillard
Published 22 Apr 2010
32% complete
Photo
Article

Exudative retinitis

Exudative retinitis (also known as retinal telangiectasis or Coats disease) is a rare congenital disease affecting the eyes and is a cause of leukocoria. Epidemiology The exact aetiology is unknown and the disease is a non hereditary disorder.  It occurs predominantly in young males, with the ...
Case

Traumatic vitreous haemorrhage

 Diagnosis probable
Dr Andrew Dixon
Published 12 May 2010
39% complete
CT

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