Enlarged extraocular muscles (differential)

Last revised by Joshua Yap on 9 Jan 2023

There is a short list of causes for enlarged extraocular muscles. The differential can be narrowed by the clinical history, known systemic illness, pattern of specific muscles involved, the muscle morphology, as well as concurrent findings outside the muscles 3:

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Cases and figures

  • Case 1: metastatic malignant melanoma
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  • Case 2: thyroid associated orbitopathy
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