Malignant rectal polyp overlooked on CT colonography because of retention balloon: opposing crescent appearance as sign of compressed polyp.
Choi
Eugene K
EK
Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, 388-1 Poongnap-Dong, Songpa-Gu, 138-040 Seoul, Korea.
Park
Seong Ho
SH
Kim
Dae Yoon
DY
Ha
Hyun Kwon
HK
D000230:Adenocarcinoma / Q000000981:diagnostic imaging*; D016477:Artifacts; D002404:Catheterization / Q000379:methods*; D023881:Colonography, Computed Tomographic / Q000379:methods*; D003951:Diagnostic Errors / Q000517:prevention & control*; D005189:False Positive Reactions; D006801:Humans; D007417:Intestinal Polyps / Q000150:complications / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D011856:Radiographic Image Enhancement / Q000379:methods*; D012004:Rectal Neoplasms / Q000150:complications / Q000000981:diagnostic imaging*