Prostate Flashcards
1
Q
Lesions suspected for prostate cancer on TRUS appear more commonly how?
A
Hypoechoic (darker)
2
Q
On TRUS, what does frequency reduction give?
A
increases the depth of view; however, decreases resolution
3
Q
What is the Prostate volume formula?
A
0.524 x height x width x length
4
Q
On prostate MRI, how do cancer areas appear?
A
Low signal intensity on T1 and T2-weighted images
5
Q
On prostate MRI, how do prostate biopsy hemorrhages appear?
A
high T1 and low T2 signal intensity
6
Q
What is Prostascint?
A
Indium capromab pendetide: monoclonal antibodies to PSA
- a SPECT (single photon emission CT) is does at baseline and then 4-5 days later
- highlights sites of soft-tissue prostate cancer metastasis
7
Q
Image of choice for prostate abscess?
A
US (appears hypoechoic or anechoic, usually in the central or transitional zones)
- recommended to drain abscess at time of diagnosis
- if pt cannot tolerate, then CT > MRI
