Article Figures & Data
Figures
- Fig 1.
A, Pretreatment view of the edematous left optic disc, showing congestion of surface capillaries and dilated optociliary shunt vessels (arrows). B, Optic disc appearance just before the end of radiation treatment. The optic disc edema has nearly resolved and the optociliary shunt vessels have shrunk (arrows).
- Fig 2.
A, Humphrey visual field of the left eye before treatment shows generalized constriction with a mean deviation −11.28 dB. B, After 3 weeks of treatment, the visual field shows improvement, with a mean deviation of −8.18 dB. C, Two days before completing radiation treatment, the visual field mean deviation is only −5.29 dB.
- Fig 3.
A, Axial T1-weighted MR image with fat suppression and gadolinium demonstrates enhancement of the left optic nerve sheath. B, The mass extends into the optic nerve canal, terminating just proximal to the optic chiasm.
- Fig 4.
Axial, sagittal, and coronal contrast CT images showing the isodose distribution map. A maximum radiation dose of 5400 cGy was planned to encompass the tumor at 90% isoattenuated line (purple, 5200 cGy; blue, 4500 cGy; turquoise, 3600 cGy).
- Fig 5.
A, Axial T1-weighted MR image with fat suppression and gadolinium showing the meningioma before treatment. B, Three months after treatment, there is no change in the size or enhancement of the tumor.
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