A 57-year-old man with a history of Duke’s C colon cancer is being evaluated for a rising CEA. Which of the following statement(s) is/are correct concerning the use of CT scanning for this indication?
A. Conventional CT scanning will detect lesions well below 1 cm in size
B. CT arterio-portography involves immediate CT scanning after direct injection into both the common hepatic artery and superior mesenteric artery
C. A double helical (spiral) CT scan may eliminate the need for invasive angiography
D. Magnetic resonance imaging of the liver will add little to the workup of this patient
Answer:B
A 57-year-old man with a history of Duke’s C colon cancer is being evaluated for a rising CEA. Which of the following statement(s) is/are correct concerning the use of CT scanning for this indication?
A. Conventional CT scanning will detect lesions well below 1 cm in size B. CT arterio-portography involves immediate CT scanning after direct injection into both the common hepatic artery and superior mesenteric artery C. A double helical (spiral) CT scan may eliminate the need for invasive angiography D. Magnetic resonance imaging of the liver will add little to the workup of this patient