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IMPRESSION:
MRI:
- Changes secondary to radiation
treatment. Signal enhancement in the tumor bed (small
circle) is suspicious for tumor recurrence.
Thallium SPECT:
- Intense focus of thallium uptake
in deep right temporal lobe.
Tc-99m HMPAO SPECT:
- Hyperemia corresponding to Tl-201
uptake in temporal lobe (small circle). There is a second
focus of hyperemia in the left anterior temporal cortex
(larger circle) without corresponding Tl-201 uptake.
CONCLUSION:
- Metastatic tumor focus
- Anterior temporal hyperemia may
represent silent seizure focus
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