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J Korean Soc Radiol. 2011 Feb;64(2):139-146. Korean. Original Article.
Choi HC , Shin TB , Park MJ , Kim JE , Choi HY , Bae KS , Choi DS , Na JB , Jeong SH .
Department of Radiology, Gyeongsang National University, College of Medicine, Jinju, Korea.

PURPOSE: We evaluated the effectiveness of performing fluoroscopic and ultrasonography guided percutaneous catheter drainage (PCD) through the anterolateral transabdominal approach for treating iliopsoas abscess. MATERIALS AND METHODS: From January 2008 to December 2009, fluoroscopic and US-guided PCD through the anterolateral transabdominal approach was performed on sixteen iliopsoas abscesses of fourteen patients (7 males and 7 females; mean age: 63 years; age range: 30-87 years). Six abscesses were on the right side and ten abscesses were on the left side. The location of the abscesses were the psoas muscle (n=7), the iliacus muscle (n=7) and the iliopsoas muscle (n=2). All the procedures were performed under fluoroscopy and US guidance in the angiography room. The clinical findings before and after the procedure, the duration of catheter insertion and the procedure-related complications were evaluated. RESULTS: 15 out of the 16 iliopsoas abscesses were effectively treated. The duration of catheter insertion was 5-27 days (mean: 14.6) days. No patient had significant complications during or after drainage. One patient died of uncontrolled diabetes complications and shock on the 9th day after percutaneous catheter drainage. One recurrence was noted 5 months after removal of the catheter. This patient underwent aspiration and antibiotic treatment for this lesion and the patient improved. CONCLUSION: Fluoroscopic and US-guided PCD for iliopsoas abscess through the anterolateral transabdominal approach is an effective and safe procedure.

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