Diagnostic ultrasound ( PDFDrive )

412 PART II Abdominal and Pelvic Sonography
A few caveats exist. Because of the large vessels in the pelvis,
it is important to use Doppler ultrasound to investigate any area
where biopsy is contemplated. Remember that pelvic kidneys
may mimic pathologic masses. Also, anterior meningoceles may
mimic masses behind the rectum and should not be entered
because of the risk of infection.
We have performed abscess drainage and biopsies of numerous
masses, including ovarian masses, recurrent masses ater diverse
primary tumor surgery, periureteric masses, bladder masses, and
pericolic masses, in both men and women. All these procedures
have the same preparation and protocol as the basic prostate
biopsy. 11
In addition, the distal ureters and ureterovesical junctions
are readily accessible to evaluation for distal ureteric obstructing
lesions, including calculi.
CONCLUSIONS
TRUS has revolutionized prostate assessment and biopsy. TRUSguided
biopsy is currently the standard for prostate biopsy.
Concepts regarding all aspects of prostate cancer are rapidly
changing and there is rapid emergence of new biomarkers,
therapies, and imaging modalities including mpMRI, all of which
will facilitate assessment and management of men with prostate
cancer.
Transrectal probes provide access to all regional structures
in men and women, and TRUS can also help with their
management.
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