“ This is a vascular malformation of the eye— it is encapsulated (unlike an infantile capillary haemangioma) , rounded and well defined. It ...

The most common globe malignancy is a metastasis (breast, lung or kidney). Other causes include retinoblastoma and melanoma. For Radiology C...

“ This is the most common ocular tumour in adults. It arises from the choroid. For tumours >12 mm, the mortality is 70%. US •   ‘ Cottage...

“ This is the most common congenital midline neck mass. It accounts for 90% of congenital neck lesions. The foramen caecum (at the tongue ba...

“ CT •  Characteristic V shape on cross-sectional imaging, the apex of the V is at the optic disc. ” For Radiology Cases, Discussion join: R...

“ Pseudotumour Thyroid ophthalmopathy Symptoms Unilateral, painful ophthalmoplegia Bilateral, painless ophthalmoplegia Demographic Young adu...

“ This affects adults and is due to lymphocytic infiltration. It causes a painful, proptosed and paralysed eye. The lacrimal gland is the mo...

“ Also known as lymphangioma or cystic hygroma, they are the most common vascular orbital tumour. They usually affect children aged 3-15 yea...

“ In total, 60% of those with optic neuritis go on to have a diagnosis of MS. In this group, 50% will have a lesion on MRI. A total of 70% a...

“ Optic nerve glioma Optic nerve sheath meningioma 80% <20 years of age Middle-aged women Variable enhancement ‘Tram track’ enhancement C...

“ Benign and slow growing, these arise from the arachnoid layer. They encircle and grow along the nerve sheath. MRI •   Mass surrounding the...

“ This is the most common cause of optic nerve enlargement and is mostly found in children less than 10 years of age (80%  less than  20 yea...

“   •  Lymphoma •   Leukaemia •   Sarcoidosis •   Sjogren syndrome ” For Radiology Cases, Discussion join: Radiology Made Easy on Facebook  ...

“ Commonly, it arises due to adjacent sinusitis (also trauma, foreign body, etc.). CT •   Inflammation of the peri-orbital fat. •   With or ...

“ Either bilateral (drusen—incidental and asymptomatic) or unilateral (choroidal osteoma—distal to the optic disc and associated with tubero...

“ These typically regress after 2 years. They increase in size with Valsalva and large lesions consume platelets. CT •   Lobular lesion that...