"T1: hypointense"
"DWI/ADC: variable"
"SWI/T2*: variable, some normal other show signal loss"
"Non-ischaemic cerebral enhancing (NICE) lesions are an uncommon delayed complication of cerebrovascular procedures, including aneurysm coiling, thrombectomy and placement flow-diverter stent placement 1,2,4,5."
"NICE lesions appear as multiple punctate or small ring enhancing foci. They can involve the white matter, cortex or leptomeninges 1. They have the following signal characteristics 1:"
"NICE lesions are a delayed phenomenon and typically present many days to weeks following the procedure; reported range: 2 weeks to 12 months 1,2,4,5. Symptoms are variable depending on the location and number of lesions 1,5."