Archive for the ‘eye’ Category
Orbital Calcifications
- retinoblastoma
- astrocytic hamartoma
- choroidal osteomas
- phthisis bulbi
- drusen
- prior retinal detachment
- retinopathy of prematurity
- Sturge-Weber
- von Hippel-Lindau
- infection: toxocara, CMV
Case Review Series
Thyroid Ophthalmopathy
- most common cause of proptosis
- 90% bilateral
- inferior rectus and medial rectus muscle body enlargement with sparing of tendon insertions
- hyper or euthyroid
- become fibrotic and fatty change
- DDx:
- myositis
- pseudotumor
- vascular: fistula, thrombosis, AVM
Globe Intraocular Calcification Differential
- neoplasms
- retinoblastoma
- astrocytic hamartomas
- choroidal osteomas
- metabolic
- hyperparathyoidism (hypercalcemia)
- degenerative
- optic drusen
- phthisis bulbi
- prior retinal detachment
- retinopathy of prematurity
- congenital
- Sturge-Weber syndrome
- von Hippel-Lindau syndrome
- Infection
- toxocara
- CMV
Ocular Lesions
- retinoblastoma
- persistent hyperplastic primary vitreous
- anophthalmos
- melanoma
- optic nerve drusen
Extraconal & Intraconal Tumors
- cavernous hemangioma
- lymphangioma
- lymphoma
- rhabdomyosarcoma
Pediatric Orbital Tumors
- retinoblastoma
- rhabdomyosarcoma
- optic nerve glioma
- lymphangioma
- teratoma
Optic Nerve/Sheath Enlargement
- optic neuritis
- optic nerve glioma
- optic sheath meningioma
- intracranial hypertension
- lymphomatous and leukemic infiltration
- sarcoidosis
- advanced Grave’s disease
- central retinal vein occlusion
- hemangioblastoma
- hemorrhage
Enlarged Extraocular Muscles
- Graves disease
- pseudotumor
- orbital cellulitis
- AV Malformation
- Carotid-cavernous fistula
- Infiltration by tumor
- spontaneous or traumatic hematoma
Radiology Notes 