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Tissue outcome of Case 1 and Case 2. Both cases have a 'favourable penumbral pattern' on acute CTP, and both received thrombolytic treatment. In Case 1, follow-up DWI (24 hours) shows small lesions that correspond to pre-treatment infarct core map, with complete salvage of penumbra. In Case 2, there is a large infarct at 24 hours representing the progression of pre-treatment penumbral tissue to infarction. Note that both cases had normal baseline NCCT with no early ischemic changes.
