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Table 4 Results of qualitative grading of void artefacts for the small particle iron oxide high-dose and low-dose groups

From: Breast MRI in patients after breast conserving surgery with sentinel node procedure using a superparamagnetic tracer

Results of assessment HD group
n (% of total)
LD group
n (% of total)
Grade 1 (follow-up MRI with good diagnostic quality) 0 6 (100%)
Grade 2 (follow-up MRI impaired but still readable) 4 (30%) 0
Grade 3 (follow-up MRI with hampered clinical assessment) 9 (70%) 0
Artefact in axillary nodes 6 (46%) 0
Artefact within the fibroglandular tissue 10 (77%) 0
Artefact on post-operative mammography 0 0