Stewart E T, Dodds W J, Nelson J A
Radiology. 1980 Nov;137(2):567. doi: 10.1148/radiology.137.2.7433695.
The authors recommend that the radiologist perform a digital examination of the rectum before barium enema. Rectal examination may disclose unsuspected lesions, facilitate tube insertion, indicate inadequate preparation of the colon, and aid in the decision of whether a rectal balloon is to be used.
作者建议放射科医生在钡灌肠前对直肠进行指诊检查。直肠检查可能会发现未被怀疑的病变，便于插入肛管，提示结肠准备不充分，并有助于决定是否使用直肠气囊。
