Endocrinology imaging

Question 1

Graves opthalmology, what structures affected?
Classical signs?

Answer 1

Coronal CT scans from two patients with Graves’ orbitopathy. A) Patient with symmetric enlargement of the extraocular muscles in both orbits. B) Patient with asymmetric involvement of the extraocular muscles.

Bilateral thickening of EOM and relative tendon sparing
(IM SLOW pattern: starting with inferior rectus, superior rectus, lateral rectum than superior oblique)