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On MRI, a large lesion (arrow) measuring 60 × 44 × 50 mm located in the left orbit was hyperintense in the STIR image (A, B), isointense with extraocular muscle in the T1W image (C), and heterogeneously enhanced postcontrast (D). It caused an ocular compression deformity but did not invade the eyeball, intra-conal space, or intracranial. The lesion had a strong restricted diffusion in DWI/ADC images with a minimum ADC of 0.7 × 10−3 mm2/s (E, F).
