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  • Title: Comparison of ultrasound and lateral chain urethrocystography in the determination of bladder neck descent.
    Author: Gordon D, Pearce M, Norton P, Stanton SL.
    Journal: Am J Obstet Gynecol; 1989 Jan; 160(1):182-5. PubMed ID: 2643321.
    Abstract:
    Several methods exist to determine the position of the bladder neck, an important mechanism of urinary continence. Radiologic screening is widespread but involves irradiation and may be imprecise. We compared perineal ultrasound scanning and radiologic scanning of the bladder neck by use of a chain and catheter and found good correlation between the two techniques. Ultrasound scanning is preferred, as it avoids irradiation, is accurate, is portable, and is readily available in most gynecologic departments.
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