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Teardrop bladder: additional considerations

R J Wechsler, R E Brennan

    Radiology
    |July 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Teardrop bladder (TDB) is a common normal variant in black males. Large iliopsoas muscles and narrow pelves are key factors predisposing individuals to TDB.

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    Area of Science:

    • Radiology
    • Anatomy
    • Urology

    Background:

    • Teardrop bladder (TDB) is an uncommon finding during excretory urography.
    • Evaluation of perivesical structures is sometimes needed for TDB diagnosis.

    Purpose of the Study:

    • To investigate the anatomical factors associated with teardrop bladder.
    • To determine if TDB is a normal variant in specific populations.

    Main Methods:

    • Retrospective review of nine cases with TDB diagnosed via excretory urography.
    • Computed tomography (CT) used to evaluate iliopsoas muscles and perivesical fat.
    • Measurement of psoas muscle width and pelvic width in patients and a control group.

    Main Results:

    • CT revealed hypertrophied iliopsoas muscles in TDB patients.

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  • Patients with TDB exhibited significantly larger iliopsoas muscles and narrower pelves compared to controls.
  • The psoas muscle width/pelvic width ratio was significantly greater in the TDB group (1.04 +/- 0.05) versus controls (0.82 +/- 0.09).

    • Conclusions:

    • Teardrop bladder is a common normal variant in black males.
    • Iliopsoas muscle hypertrophy and narrow pelvis are predisposing factors for TDB.