Coronary artery ulceration: Difference between revisions
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{{CMG}} | {{Coronary angiography2}} | ||
{{ | {{CMG}}; {{AE}} {{Rim}} | ||
==Overview== | ==Overview== | ||
Coronary artery ulceration is assessed visually using a well defined grading system. Grade 0 corresponds to no angiographic evidence of ulceration, grade 1 ulceration is present when the lesion contains a neck with contrast material dissecting under the plaque either proximally or distally, and grade 2 ulceration is present when there is distinct extravascular extravasation of contrast material with the appearance of a mushroom. | An ulcerated lesion is defined as a cavity in the vessel wall with disruption of the intima and flow observed within the plaque cavity. Coronary artery ulceration is assessed visually using a well defined grading system. Grade 0 corresponds to no angiographic evidence of ulceration, grade 1 ulceration is present when the lesion contains a neck with contrast material dissecting under the plaque either proximally or distally, and grade 2 ulceration is present when there is distinct extravascular extravasation of contrast material with the appearance of a mushroom. | ||
== | ==Examples== | ||
===Grade 0=== | |||
Grade 0: No angiographic evidence of ulceration | |||
[[ | Shown below are an animated image and a static image depicting a normal RCA with no evidence of ulceration. | ||
[[File:RCA-normal.gif|300px|Grade 0 ulceration in the RCA]] | |||
[[File:RCA-normal-static.gif|300px|Grade 0 ulceration in the RCA]] | |||
===Grade 1=== | |||
Grade 1: The lesion contains a neck with contrast material dissecting under the plaque either proximally or distally. | |||
===Grade 2=== | |||
Grade 2: Distinct extravascular extravasation of contrast material with the appearance of a mushroom | |||
Shown below are an animated image and a static image depicting grade 2 ulcerated lesion. Encircled in yellow in the image on the right is the ulcerated lesion which has a "mushroom" appearance. | Shown below are an animated image and a static image depicting grade 2 ulcerated lesion. Encircled in yellow in the image on the right is the ulcerated lesion which has a "mushroom" appearance. | ||
Latest revision as of 16:26, 13 November 2013
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Coronary Angiography | |
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General Principles | |
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Anatomy & Projection Angles | |
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Normal Anatomy | |
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Anatomic Variants | |
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Projection Angles | |
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Epicardial Flow & Myocardial Perfusion | |
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Epicardial Flow | |
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Myocardial Perfusion | |
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Lesion Complexity | |
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ACC/AHA Lesion-Specific Classification of the Primary Target Stenosis | |
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Lesion Morphology | |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Rim Halaby, M.D. [2]
Overview
An ulcerated lesion is defined as a cavity in the vessel wall with disruption of the intima and flow observed within the plaque cavity. Coronary artery ulceration is assessed visually using a well defined grading system. Grade 0 corresponds to no angiographic evidence of ulceration, grade 1 ulceration is present when the lesion contains a neck with contrast material dissecting under the plaque either proximally or distally, and grade 2 ulceration is present when there is distinct extravascular extravasation of contrast material with the appearance of a mushroom.
Examples
Grade 0
Grade 0: No angiographic evidence of ulceration
Shown below are an animated image and a static image depicting a normal RCA with no evidence of ulceration.
Grade 1
Grade 1: The lesion contains a neck with contrast material dissecting under the plaque either proximally or distally.
Grade 2
Grade 2: Distinct extravascular extravasation of contrast material with the appearance of a mushroom
Shown below are an animated image and a static image depicting grade 2 ulcerated lesion. Encircled in yellow in the image on the right is the ulcerated lesion which has a "mushroom" appearance.
