This is unpublished
Findings:
Diffuse enlargement of the ocular muscles
Sparing of the musculotendinous junction
Proptosis
DDX:
Inflammatory pseudotumor
Lymphoma
Sarcoid
Amyloid
Graves Disease
Diagnosis:
Thyroid Orbitopathy (Grave’s Disease)
Discussion:
Exopthalmos with bilateral enlargement of EOM
Increased intra-ocular fat
“I’M SLOW” – Inferior>medial>superior>lateral>oblique
Predilection for muscle bellies; spares tendons
Lymphocyte inflammatory process
Submitted by Sung Logerfo, MD, UW Neuroradiology