PMC5574228_01
Axial CT showing incisional hernia in the left lower quadrant containing transverse colon causing large bowel obstruction.
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Urgent abdominal CT (computed tomography) was performed, which indicated a severe large bowel obstruction secondary to herniation of transverse colon into an incisional hernia at the previous colostomy reversal site (Figure 1).
Axial CT showing significantly dilated caecum.
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The proximal large bowel was dilated up to 54 mm and the caecum was dilated up to 93 mm in maximum diameter (Figure 2).
Coronal CT showing caecum measured from the anterior superior iliac spine and the lateral abdominal wall.
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Using sagittal and axial CT images, the vertical distance from the anterior superior iliac spine (ASIS) and the anterior abdominal wall skin to the caecum was measured (Figure 3).
Sagittal CT showing caecum measured from the anterior abdominal wall.
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At the level of the ASIS, the caecum was measured to be approximately 3 cm from the skin and there were no small bowel loops between it and the abdominal wall (Figure 4).