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Staging of prostate cancer: value of ultrasonography
Ist Teil von
Urologic clinics of North America, 1989-11, Vol.16 (4), p.713-734
Ort / Verlag
New York, NY: Elsevier
Erscheinungsjahr
1989
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
Clinical staging is the attempt to determine the pathologic extent of a cancer by clinical tests (Whitmore). Traditionally, staging of prostate cancer has relied on the digital rectal examination, but ultrasonography, which provides an unprecedented picture of the gland, has become a valuable adjunct. The overall sonographic pattern helps to classify a tumor as "localized" or "extensive." A more detailed analysis yields information about the volume and location of the primary tumor; the presence, location, and extent of extracapsular extension; and the presence of seminal vesicle invasion. Comparison of sonograms with corresponding sections of radical prostatectomy specimens demonstrates that ultrasound complements the digital examination in determining by clinical tests the pathologic extent of a cancer.