Learn Prostate MRI

1)  According to PI-RADS version 2, which of the following is the dominant sequence for determining the overall assessment category for a peripheral zone lesion?

2)  According the PI-RADS version 2, which of the following is the dominant sequence for determining the overall assessment category for a transition zone lesion?

3)  According the PI-RADS version 2, what size threshold differentiates between sequence scores of 4 and 5 for both T2WI and DWI??

4)  According the PI-RADS version 2, positive DCE for a peripheral zone lesion is associated with which of the following changes in assessment category?

5)  Which of the following techniques is not incorporated in the PI-RADS version 2 system for deriving a lesion’s overall assessment category on MRI?

6)  According to the lecture, which of the following may be an appropriate maximal b-value for prostate DWI?

7)  According to PI-RADS version 2, a peripheral zone lesion exhibiting focal marked hypointensity on the ADC map and marked hyperintensity on high b-value images, though measuring under 1.5 cm and not exhibiting definite extra-prostatic extension or invasive behavior, would receive what score on DWI?

8)  Achieving an empty rectum is of particular importance for minimizing artifacts on which of the following sequences?

9)  As the Gleason score of prostate tumors increase, the ADC value tends to:

10)   PI-RADS version 2 suggests what threshold in terms of ADC value measurement for detecting clinically significant tumors? (units of µm2/sec)

11)   PI-RADS version 2 advises a temporal resolution for dynamic contrast-enhanced imaging of at least which of the following?

12)   According to PI-RADS version 2, which of the following scales is used for assessing DCE for a peripheral zone lesion?

13)   According to PI-RADS version 2, for a transition zone lesion, which of the following properties may raise the overall assessment category to a 4 for a lesion with a T2WI score of 3?

14)   According to PI-RADS version 2, which of the following morphologic features must a peripheral zone lesion exhibit to receive a score of at least 3 on DWI?

15)   The prostatic pseudocapsule, or “surgical capsule,” separates which two zones?

16)   When performing MRI/ultrasound fusion biopsy, the MRI-defined targets are marked during a planning session in advance of the biopsy.

17)   A potential benefit of MRI-targeted biopsy is reduced detection of clinically insignificant prostate cancer.

18)   According to PI-RADS v2, what length of abutment between a visualized tumor and the capsule raises suspicious for extra-prostatic extension?

19)   Obtaining subtraction images for DCE may help address which of the following interpretive pitfalls?

20)   Which of the following processes may cause decreased T2 signal in the peripheral zone?