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Year : 2018  |  Volume : 26  |  Issue : 3  |  Page : 160-162

Sonographic diagnosis of a colovesical fistula due to sigmoid colon cancer

1 Department of Radiology, Kyung Hee University Hospital, Gangdong, Seoul, South Korea
2 Department of Pathology, Kyung Hee University Hospital, Gangdong, Seoul, South Korea

Correspondence Address:
Dr. Dal Mo Yang
Department of Radiology, Kyung Hee University Hospital, 149 Sangil-Dong, Gangdong, Seoul
South Korea
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JMU.JMU_42_18

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Based on sonographic findings, colovesical fistula was diagnosed in a 71-year-old man with sigmoid colon cancer. Gray-scale sonography revealed an irregular thickening of the sigmoid colon wall abutting the urinary bladder which also showed thickening in the region of contact. Color Doppler sonography showed a twinkling artifact within the thickened bladder wall. Contrast-enhanced computed tomography scan showed luminal communication between the sigmoid colon and the bladder in the region of thickening.

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