EURORAD ESR

Case 1076

Aneurysmal bone cyst of the orbit

Author(s)
S. Cakirer¹, D. Cakirer²
 
Patient
female, 7 year(s)
 
 
  • Figure 1
    Figure 1
     

    Axial SE T1-weighted MR image shows a well-circumscribed multi-cystic orbital lesion causing severe compression on optic nerve, with a peripheral hypointense capsule and internal hypointense septations. The cavities...

     
    Area of Interest: unknown; Imaging Technique: Figure 1;

    Axial FSE PD-weighted MR image shows a well-circumscribed multi-cystic orbital lesion causing severe compression on optic nerve, with a peripheral hypointense capsule and internal hypointense septations. The cavities...

     
    Area of Interest: unknown; Imaging Technique: Figure 1;

    Coronal FSE T2-weighted MR image shows a well-circumscribed multi-cystic lesion originating from orbital roof, causing thinning of cortex of frontal bone. Severe compression on optic nerve and some of the extraocular...

     
    Area of Interest: unknown; Imaging Technique: Figure 1;
     
     
  • Figure 2
    Figure 2

    2a. Coronal post-gadolinium fat-suppressed SE T1-weighted MR image shows intense contrast enhancement of the lesion at its periphery and internal septations.

     
    Area of Interest: unknown; Imaging Technique: Figure 2;
     
     
Axial SE T1-weighted MR image shows a well-circumscribed multi-cystic orbital lesion causing severe compression on optic nerve, with a peripheral hypointense capsule and internal hypointense septations. The cavities are filled with hyperintense hemorrhagic fluid (due to extracellular methemoglobin). The eyeball is proptotic.
 
Axial FSE PD-weighted MR image shows a well-circumscribed multi-cystic orbital lesion causing severe compression on optic nerve, with a peripheral hypointense capsule and internal hypointense septations. The cavities are filled with hyperintense hemorrhagic fluid (due to extracellular methemoglobin). The eyeball is proptotic.
 
Coronal FSE T2-weighted MR image shows a well-circumscribed multi-cystic lesion originating from orbital roof, causing thinning of cortex of frontal bone. Severe compression on optic nerve and some of the extraocular muscles in the orbit and compression on frontobasal lobe with cranial extension are evident. The lesion has a peripheral hypointense capsule and internal hypointense septations. The cavities are filled with hyperintense hemorrhagic fluid (due to extracellular methemoglobin).
 
2a. Coronal post-gadolinium fat-suppressed SE T1-weighted MR image shows intense contrast enhancement of the lesion at its periphery and internal septations.
 
 
 
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