Dye lamination

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Definition
Dye lamination is the noticeable retention of dye along either wall of the artery during the washout phase, which displays a characteristic churning motion, contrary to an arterial stain.

The location of dye lamination specific to the culprit lesion is recorded as being proximal remote, proximal contiguous, intralesional, distal contiguous, and/or distal remote and its persistence is recorded according to the presence of lamination remaining or ending prior to the washout of the distal landmark.

The total length of dye lamination is quantified as either 1/6th, 2/6th, 3/6th, 4/6th, 5/6th or 6/6th of the total length of the main parent vessel (from ostium to distal landmark).

| RCA Dye Lamination