Extraprostatic extension of prostate cancer
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Multiple criteria are used to detect extracapsular extension of prostate cancer. They include 3:
- an irregular bulge in capsule
- obliteration of the rectoprostatic angle
- asymmetry of the neurovascular bundle
- angulation/step-off appearance to the tumour
- focal capsular retraction and or thickening
- broad capsular tumour contact (>10 mm)
- breach of the capsule with evidence of direct tumour extension
These criteria can be used both in high-resolution transrectal ultrasound / MRI.
MRI is much more superior thanto transrectal ultrasound, CT, and digital rectal examination in detecting extracapsular spreadextension as well as seminal vesicular invasion in prostate cancer.
Criteria for seminal vesicular extension include 3:
- direct tumour extension into and around the seminal vesicles
- tumour extension along the ejaculatory ducts, resulting in enlarged T2 hypointense seminal vesicles and ejaculatory ducts
- obliteration of vesicoprostatic angle
See also
-</ul><p>These criteria can be used both in high-resolution transrectal ultrasound / MRI.</p><p>MRI is much more superior than transrectal ultrasound, CT and digital rectal examination in detecting extracapsular spread as well as seminal vesicular invasion in prostate cancer.</p><p>Criteria for <a href="/articles/seminal-vesicle">seminal vesicular</a> extension include <sup>3</sup>:</p><ul>- +</ul><p>These criteria can be used both in high-resolution transrectal ultrasound / MRI.</p><p>MRI is superior to transrectal ultrasound, CT, and digital rectal examination in detecting extracapsular extension as well as seminal vesicular invasion in prostate cancer.</p><p>Criteria for <a href="/articles/seminal-vesicle">seminal vesicular</a> extension include <sup>3</sup>:</p><ul>
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