PMC4701802_01
Radiograph shows colonic dilatation.
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fig0005
Abdominal X-ray demonstrated the existence of dilated bowel segments with air-fluid levels (Fig. 1).
PMC4701802_02
Axial contrast-enhanced CT scan shows an eccentric large mass with luminal narrowing (in circle).
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PMC4701802_02_gr2.jpg
fig0010
In abdominal CT sigmoid colon there were 10 x5 cm ulcerovegetant tumour and mass air-fluid levels in the proximal bowel loops (Fig. 2).
PMC4701802_03
Shows intraoperative view of sigmoid colon cancer after detorsion of volvulus.
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PMC4701802_03_gr3.jpg
fig0015
When the sigmoid colon was detorsioned, sigmoid colon was seen to be elongated (afferent loop was about 30 cm and efferent loop was about 30 cm), meson base was narrow (4-5 cm) and an overflowing tumoral mass of anti mesenteric 8 x 5 cm serosa was found in the middle of sigmoid colon (Fig. 3).