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  • Title: Coronary angiographic abnormalities in mucocutaneous lymph node syndrome: acute findings and long-term follow-up.
    Author: Kuribayashi S, Ootaki M, Tsuji M, Matsuyama S, Iwasaki H, Oota T.
    Journal: Radiology; 1989 Sep; 172(3):629-33. PubMed ID: 2772168.
    Abstract:
    Coronary arterial changes in mucocutaneous lymph node syndrome were evaluated by retrospectively analyzing 62 coronary angiograms of 42 patients with abnormal coronary arteries. A total of 108 aneurysms on the initial studies were classified as follows: eight diffuse, 18 saccular, and 50 fusiform aneurysms and 32 localized areas of dilatation. These were also classified as large, medium, or small aneurysms. Approximately one-third of the aneurysms were in the right coronary artery and two-thirds in the left. Seventy percent of the aneurysms were located in the proximal portion of the coronary artery, 16% in the middle portion, and 14% in the distal portion. Sixteen patients were followed up with angiography for periods ranging from 4 months to 8 years 11 months. At follow-up, 48% of the 62 aneurysms had regressed to normal, 37% were diminished in size, and 10% were unchanged. Small and medium-sized aneurysms frequently showed complete regression. In contrast, large aneurysms tended to persist, and stenotic lesions formed at or adjacent to the aneurysm in 41%. Aneurysms larger than 9 mm in diameter, especially those that were diffuse in shape, carried a high risk of subsequent total occlusion.
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