'Sinking pellet' sign of bladder perforation

M. R. Conrad, C. Bazan, T. Allen, R. Schoenvogel

Research output: Contribution to journalArticlepeer-review


Preoperative diagnosis of urinary bladder perforation due to penetrating missile injury may be difficult to establish. Although retrograde cystography usually demonstrates extravasation, it may be normal on occasion. In shotgun blast wounds, metallic pellets are usually distributed randomly throughout the abdominal cavity, but clumping of pellets in the pelvis on the plain film of the abdomen suggests that they may be lying in a hollow viscus such as the bladder. The authors present 2 cases with this finding.

Original languageEnglish (US)
Pages (from-to)113-114
Number of pages2
JournalAmerican Journal of Roentgenology
Issue number1
StatePublished - 1979
Externally publishedYes

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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