Thyroid orbitopathy (severe)

Case contributed by Frank Gaillard


Kids claiming that their mother has become "googly eyed".

Patient Data

Age: Adult
Gender: Female

CT orbits


Selected images from a non-contrast CT of the orbits demonstrates marked enlargement of the extraocular muscles which spares the tendinous insertions. The belly of the muscles also demonstrate low attenuation change. The inferior rectus is most severely affected. The result is significant proptosis. 

Case Discussion

Typical appearances of advanced thyroid orbitopathy. The inferior rectus is usually the first and most severly affected muscle. The order of involvement can be remembered using the mnemonic I'M SLOW

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