EyeRounds Photo Quiz #3
Compiled by Tyler Risma, MD
Q9: What is the primary anomaly in these CT scan images?
A9: Enlargement of the extraocular muscle bellies, especially both medical recti and the left inferior rectus muscle. Note there are discontinuities in the orbital walls due to prior orbital decompression surgery.
Q10: What is the most likely diagnosis?
A10: Thyroid eye disease. Patients are most often hyperthyroid, although some are hypothyroid or even euthyroid. See atlas Entry