突発性腎動脈解離に伴う腎梗塞の1例 [in Japanese] SPONTANEOUS RENAL ARTERY DISSECTION WITH RENAL INFARCTION : A CASE REPORT [in Japanese]
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A 58-year-oldwoman visitedour hospital with nausea andright flank pain. At first abdominal ultrasonography was performed, suggesting a right renal infarction. Computed tomography (CT) study of the abdomen with intravenous contrast was performed to determine the cause of the symptoms. The scan revealed poor enhancement in the lower half of the right kidney. She was diagnosed with a right renal infarction. She was initially treatedwith anticoagulant therapy, but 5 days later, she complainedof nausea. This time, CT demonstrated exacerbation of a right renal infarction with renal artery dissection. Based on this finding, we performed a right nephrectomy. The result of pathology was segmental arterial mediolysis. She was discharged 12 days after the surgery and is doing well at 6 months after discharge. Spontaneous renal artery dissection is a rare disease. It constitutes approximately 0.05% of arteriographic dissections. In addition, spontaneous renal artery dissection shows nonspecific symptoms. Together, these two factors may cause a delay in diagnosis.
泌尿器科紀要 57(11), 611-614, 2011-11