- Blood: Low signal intensity on T1- and T2-weighted images when acute.
- Uveal melanoma: High signal on T1-weighted images. Low on T2-weighted images.
- Metastases: Bilateral in 30% of cases.
- Choroidal lymphoma:
- Congential vascular hamartoma: Also known as choroidal hemangioma. High signal on T1- and T2-weighted images.
- Retinal detachment: Y-shaped structure with its apex at the optic disk and its ends extending toward ciliary bodies.
- Choroidal detachment: High-attenuation, low signal intensity lines that are parallel to the choroidal plane and do not converge at the optic disk.
Thursday, October 14, 2010
Differential Diagnosis of Orbital Globe Lesions
A brief differential diagnosis for globe lesions in adults:
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