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Small bowel obstruction due to incarcerated sciatic hernia: ultrasound diagnosis

¹ Department of Radiology, Chang Gung University, Chang Gung Memorial Hospital at Kaohsiung, 123 Ta-Pei Road, Niao-Sung Hsiang, Kaohsiung Hsien 833 and ² Department of Radiology, Chang Gung University, Chang Gung Memorial Hospital at Linkou, 5 Fu-Shing Street, Kwei Shan, Tao Yuan, Taiwan

View larger version (86K): [in a new window]   Figure 1. Transgluteal ultrasound scan showing fluid accumulation in the right subgluteal region and an oedematous dilated bowel loop (long arrow) entrapped between the inferior border of the iliac bone (short black and white arrows) and lateral margin of the sacrum (arrowheads).

View larger version (110K): [in a new window]   Figure 2. CT image showing incarcerated bowel loop (arrow) through the right sciatic foramen, similar to Figure 1, and entrapped ascites in the right subgluteal region.