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[Prostatic cancer. Staging via transrectal prostatic sonography and computed tomography with histopathological
Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|April 1, 1987
Summary
Transrectal prostatic sonography accurately assesses local prostate cancer spread, outperforming CT scans and clinical exams. CT scans are useful for detecting lymph node metastases, but enlarged nodes may show non-specific changes.
Area of Science:
- Urology
- Medical Imaging
- Oncology
Background:
- Accurate pre-operative staging is crucial for prostate cancer management.
- Conventional methods like clinical examination, CT, and transrectal prostatic sonography are used for staging.
Purpose of the Study:
- To compare the accuracy of transrectal prostatic sonography and CT scans with clinical findings in pre-operative staging of prostate cancer.
- To evaluate the effectiveness of these imaging modalities in determining local tumor spread and lymph node involvement.
Main Methods:
- 30 patients with cytologically confirmed prostate cancer underwent pre-operative staging using transrectal prostatic sonography and CT.
- Findings were compared with clinical examinations and subsequently verified histologically after radical prostatectomy.
Main Results:
- Transrectal prostatic sonography demonstrated superior accuracy over CT and clinical examination in assessing local tumor spread and capsular penetration.
- CT scans showed a high rate of non-specific changes in enlarged pelvic lymph nodes; absence of enlarged nodes effectively excluded metastases.
- Transrectal prostatic sonography provided more detailed information on local spread, while CT was more indicative of lymph node metastasis presence or absence.
Conclusions:
- Transrectal prostatic sonography is a valuable tool for evaluating local tumor extent in prostate cancer.
- CT imaging aids in assessing lymph node status, though findings require careful interpretation due to potential non-specific changes.