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Updated: Aug 11, 2026

Transurethral Instillation Procedure in Adult Male Mouse
Published on: November 2, 2017
Analysis of retrograde ejaculation using color Doppler ultrasonography before and after transurethral collagen
1Department of Urology, Okayama University Graduate School of Medicine and Dentistry, Okayama, Japan. atsnagai@md.okayama-u.ac.jp
Abstract:
Transurethral bladder neck collagen injection therapy was performed in a patient with retrograde ejaculation. The phenomenon of retrograde ejaculation and its correction after the therapy were clearly demonstrated by color Doppler ultrasonography. To our knowledge this is the first report showing successful observation of retrograde ejaculation using color Doppler ultrasonography.
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