The utility of image-directed Doppler ultrasound in the evaluation of the "parallel channel" sign.
Levy
H M
HM
Department of Radiology, Brigham and Women's Hospital, Boston, Massachusetts 02115.
Dobkin
G R
GR
Doubilet
P M
PM
D000328:Adult; D001653:Bile Ducts, Intrahepatic / Q000473:pathology*; D003937:Diagnosis, Differential; D004108:Dilatation, Pathologic; D005260:Female; D006499:Hepatic Artery; D006801:Humans; D014463:Ultrasonography; D014652:Vascular Diseases / Q000175:diagnosis