Bergman sign

Berg·man sign

(berg'măn),
a radiographic finding in which 1) the ureter is dilated distal to a ureteral obstruction and 2) a catheter, passed retrograde, coils in the dilated ureter.

Berg·man sign

(bĕrg'măn sīn)
A radiographic finding suggesting a neoplasm in which 1) the ureter is dilated distal to a ureteral obstruction and 2) a catheter, passed retrograde, coils in the dilated ureter.
Synonym(s): catheter coiling sign.
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