Q) All are true about pancreatic protocol CT except (AIIMS 2012)
a) > 90% unresectable lesions picked up by CT
b) Dual phase CT with cuts taken at 40 secs and 70 secs
c) Liver metastasis detected in early arterial phase
Answer is free for all
Pancreatic protocol CT involves imaging at the pancreatic phase (i.e., approximately 45 seconds after contrast administration) and at the portal venous phase (i.e., approximately 70 seconds after contrast administration). It is useful for detection of adenocarcinoma of pancreas.
Metastatic lesions are seen in the portal venous phase, because the lesions are not typically well vascularized.
Arterial phase images are principally used to distinguish metastatic disease from benign vascular lesions, such as hemangiomas, or to better define the arterial anatomy of the liver.
Q. All of the following predisposing syndromes for pancreatic adenocarcinoma are AD except A. PJS (Peutz Jeghers) B. CFTR (Cystic fibrosis) C. HNPCC D. FAMMM
Answer for premium members
Several hereditary cancer syndromes (e.g., Peutz-Jeghers syndrome, familial atypical mole and multiple melanoma syndrome, hereditary breast and ovarian cancer syndrome) are known to be associated with increased risk of pancreatic cancer