Wednesday, December 12, 2012

Teardrop Bladder

A contrast-filled bladder that has a teardrop shape (also referred to as pear-shaped) indicates circumferential extrinsic compression. The differential diagnosis includes:
  • presence of pelvic fluid
    • hematoma
    • lymphocele
    • urinoma
    • abscess
  • pelvic lipomatosis
    • usually seen in black males with hypertension
  • iliopsoas muscle hypertrophy
  • retroperitoneal fibrosis
  • lymphoma
  • vascular dilatation
    • aneurysm
    • collateral vessel development

Ambos MA, Bosniak MA, Lefleur RS, et al. The pear-shaped bladder. Radiology 1977;122:85-8.
Dyer RB, Chen MY, Zagoria RJ. Classic signs in uroradiology. Radiographics 2004;24:S247-80.

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