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What is Progressive enhancement pattern for a lesion on Breast MRI shows and explain in detail?
Breast MRI enhancement curves Following administration of Gadolinium there can be three possible enhancement kinetic curves for a lesion on breast MRI. Type 1 curve: progressive enhancement pattern Typically shows a continuous increase in signal intensity throughout time Usually considered benign with only a small propoion of (~9%) of malignant lesions having this pattern Type II curve: plateau pattern Initial uptake followed by the plateau phase towards the latter pa of the study Considered concerning for malignancy Type III curve: washout pattern Has a relatively rapid uptake shows reduction in enhancement towards the latter pa of the study Considered strongly suggestive of malignancy