The bear's paw sign is seen in xanthogranulomatous pyelonephritis and refers to the cross-sectional appearance of the kidney which is said to resemble the paw of a bear. The renal pelvis is contracted whereas the calyces are dilated, mimicking the toe-pads of the paw.
Synonyms & Alternative Spellings
|Synonyms or Alternative Spelling||Include in Listings?|
|Bear's paw sign of XPN||✗|
|Bear's paw sign in XPN||✗|
|Bear's paw sign of xanthogranulomatous pyelonephritis||✗|
|Bear's paw sign in xanthogranulomatous pyelonephritis||✗|