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Mucocutaneous lymph node syndrome (MLNS) is not uncommon in Japan and it is well recognized that the dominant lesion is located in the coronary artery. We experienced recently a particular case which was diagnosed at first as acute cholecystitis, but a definite diagnosis of MLNS was later made from clinical manifestations and laboratory findings, especially ECG tracings, selective coronary angioram and selective celiac angiogram. We discussed the significant relationship between acute cholecystitis and MLNS. Mucocutaneous lymph node syndrome (MLNS) is an acute febrile and eruptive disorder described by Kawasaki1)2) for the first time in 1967. According to increasing reports, it has become gradually clear that the dominant lesion is located in the coronary artery and the symptoms result from the generalized vasculitis in small arteries and arterioles. Its etiology, however, remains unknown. The case, presented here was diagnosed at first as acute cholecystitis and treated with antibiotics, but a definite diagnosis of MLNS was later made by ECG and coronary angiograms.

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Two patients with unusual right ventricular aneurysms, probably congenital in origin, are reported. In both patients, unifocalfrequent ventricular ectopic beats were the only symptoms. These aneurysms are thought to act as foci of the ventricular premature beats, and in one of them, aneurysmectomy led to the abolition of the ventricular premature beats.