This patient presents with vertical diplopia and the above scan is carried out.

a. What is this scan?

b. What abnormality is seen?

c. What physical sign may be observed?

 

Answer aCT scan of the orbits
 

Answer b
An enlarged lesion in the area of the right lacrimal gland.
This may be caused by tumour (either arising from the lacrimal
gland, lymphoma or secondary), inflammation, infection or congenital lesion (such as dermoid).
 

Answer c
The right globe will be displaced downward and medially.