Biomedical subjects
Publications and source records attributed to G W Koos.
Lesions of the seminal vesicle can be evaluated by the transrectal needle approach. Biopsy, aspiration of contents for culture and cytology, injection of contrast medium for x-ray and drainage of cysts or abscesses can be done with this approach.
There have been 14 cases of anterior urethral valves reported in the literature. The main diagnostic test in these cases has been voiding cystourethrography since retrograde urethrography is believed to be useless. Two additional cases of anterior urethral valves are presented to demonstrate the usefulness of the retrograde urethrogram as a valuable adjunctive diagnostic study.