大橋 英行¹, 岡 薫¹, 小出 直², 竹原 靖明³, 関根 英明⁴, 北原 聡史⁴

Hideyuki OHASHI¹, Kaoru OKA¹, Tadashi KOIDE², Yasuaki TAKEHARA³, Hideaki SEKINE⁴, Satoshi KITAHARA⁴

¹関東中央病院泌尿器科, ²関東中央病院循環内科, ³関東中央病院画像診断科, ⁴東京医科歯科大学医学部泌尿器科

¹Department of Urology, Kanto Central Hospital, ²Department of Cardiology, Kanto Central Hospital, ³Department of Diagnostic Imaging, Kanto Central Hospital, ⁴Department of Urology, Tokyo Medical and Dental University

キーワード : Renal infarction

Most of renal infarctions are asymptomatic but occasionally symptomatic and appear acute abdomen. Correct diagnosis should be done as soon as possible. CT, renal scintigram, or angiography would give strong evidences of the disease but ultrasonography would be done foremost because of its simplicity and handiness. Our three cases of fresh renal infarction appeared normal and no informations were gained ultrasonographically at the onset. But all of them turned hyperechoic and their parenchyma thinned afterward, and our other three cases of old renal infarction had the same signs on ultrasonography. We conclude on our experiences and some references that ultrasonography gives no specific signs of urgent renal infarction but is useful for its follow-ups and finding old renal infarctions.