Practice Test for CAMRT MRI
Abdomen/Pelvis Pathology Exam
Questions and Answers
How does normal colon appear on MRI - CORRECT ANSWER-Thin walled with
haustrations, enhances minimally with contrast
What sequence is helpful to see the colon - CORRECT ANSWER-IV contrast
enhanced with FS, spoiled GRE, or 3D gre
Chrons most commonly affects what area - CORRECT ANSWER-The small bowel, the
ileium
Chrons appearance on MRI - CORRECT ANSWER-T2 SS-SE/ T1 FS SPGR +C:
-dilated bowel
-inflammatory changes
3D GRE:
-skip lesions
-mural enhancement
-mesenteric inflammatory changes
MREnterography:
-wall thickening
-strictures
decreased peristalsis
DWI: bright (restricted)
Gastric carcinoma and appearance on MRI - CORRECT ANSWER-One of the most
common cancers, 95% of stomach cancers
On MR: polyp type mass
Cavernous hemangioma - CORRECT ANSWER-Most common benign liver tumor.
Usually small and asymptomatic (incidental finding)
Hemangioma appearance on MRI - CORRECT ANSWER-T1- hypo
T2- hyper
Post con- hyper and increases over 15-30mins
How does abdominal cyst appear on MRI - CORRECT ANSWER-T1- hypo
, T2- hyper
Post con - no enahcement
What is a choledocal cyst - CORRECT ANSWER-Dilation of the bile duct
Choledocholithiasis - CORRECT ANSWER-Stones in the bile duct, usually start in
gallbladder and move into CBD
Best sequence for choledocholithiasis - CORRECT ANSWER-MRCP to show filling
defect
Fatty liver - CORRECT ANSWER-Excessive deposition of fat in the liver - due to
obesity, alcoholism, cushings disease, steroid use
Fatty liver on MRI - CORRECT ANSWER-T1- hyper
T2- hyper
STIR- Suppresses
Focal Nodular Hyperplasia (FNH) - CORRECT ANSWER-Benign, tumor like lesion.
Second most common benign liver tumour. Usually asymptomatic or epigastric pain.
FNH on MRI - CORRECT ANSWER-T1- slightly hypo
T2- slightly hyper
Post con: immediately slightly hyper, delayed shows partially enhancing central scar
Hemochromatosis - CORRECT ANSWER-Hereditary disorder when small bowel
absorbs excess iron. Initially stored in hepatocytes before spreading to other organs
Hemochromatosis on MRI - CORRECT ANSWER--Iron is ferrous, shortens both T1
and T2 times
-GRE best to see the susceptibility
Hepatic adenoma - CORRECT ANSWER-Benign liver tumor, common in women taking
birth control. Usually asymptomatic or abdo pain due to hemorrhage. Can develop into
HCC
Hepatic adenoma on MRI - CORRECT ANSWER-T1- iso/hypo to liver
T2- iso/hypo to liver
Post con- hyper
In/out of phase: presence of fat causes to be hypo on out of phase image
How does hepatic adenoma appear after injection of eovist/ primovist - CORRECT
ANSWER-Usually hypointense on delayed (20mins) scan, while FNH appears iso/hyper
Abdomen/Pelvis Pathology Exam
Questions and Answers
How does normal colon appear on MRI - CORRECT ANSWER-Thin walled with
haustrations, enhances minimally with contrast
What sequence is helpful to see the colon - CORRECT ANSWER-IV contrast
enhanced with FS, spoiled GRE, or 3D gre
Chrons most commonly affects what area - CORRECT ANSWER-The small bowel, the
ileium
Chrons appearance on MRI - CORRECT ANSWER-T2 SS-SE/ T1 FS SPGR +C:
-dilated bowel
-inflammatory changes
3D GRE:
-skip lesions
-mural enhancement
-mesenteric inflammatory changes
MREnterography:
-wall thickening
-strictures
decreased peristalsis
DWI: bright (restricted)
Gastric carcinoma and appearance on MRI - CORRECT ANSWER-One of the most
common cancers, 95% of stomach cancers
On MR: polyp type mass
Cavernous hemangioma - CORRECT ANSWER-Most common benign liver tumor.
Usually small and asymptomatic (incidental finding)
Hemangioma appearance on MRI - CORRECT ANSWER-T1- hypo
T2- hyper
Post con- hyper and increases over 15-30mins
How does abdominal cyst appear on MRI - CORRECT ANSWER-T1- hypo
, T2- hyper
Post con - no enahcement
What is a choledocal cyst - CORRECT ANSWER-Dilation of the bile duct
Choledocholithiasis - CORRECT ANSWER-Stones in the bile duct, usually start in
gallbladder and move into CBD
Best sequence for choledocholithiasis - CORRECT ANSWER-MRCP to show filling
defect
Fatty liver - CORRECT ANSWER-Excessive deposition of fat in the liver - due to
obesity, alcoholism, cushings disease, steroid use
Fatty liver on MRI - CORRECT ANSWER-T1- hyper
T2- hyper
STIR- Suppresses
Focal Nodular Hyperplasia (FNH) - CORRECT ANSWER-Benign, tumor like lesion.
Second most common benign liver tumour. Usually asymptomatic or epigastric pain.
FNH on MRI - CORRECT ANSWER-T1- slightly hypo
T2- slightly hyper
Post con: immediately slightly hyper, delayed shows partially enhancing central scar
Hemochromatosis - CORRECT ANSWER-Hereditary disorder when small bowel
absorbs excess iron. Initially stored in hepatocytes before spreading to other organs
Hemochromatosis on MRI - CORRECT ANSWER--Iron is ferrous, shortens both T1
and T2 times
-GRE best to see the susceptibility
Hepatic adenoma - CORRECT ANSWER-Benign liver tumor, common in women taking
birth control. Usually asymptomatic or abdo pain due to hemorrhage. Can develop into
HCC
Hepatic adenoma on MRI - CORRECT ANSWER-T1- iso/hypo to liver
T2- iso/hypo to liver
Post con- hyper
In/out of phase: presence of fat causes to be hypo on out of phase image
How does hepatic adenoma appear after injection of eovist/ primovist - CORRECT
ANSWER-Usually hypointense on delayed (20mins) scan, while FNH appears iso/hyper
