Case Reports
doi: 10.1007/BF02932647.
The nubbin sign on computed tomography and sonography
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- PMID: 3326239
- DOI: 10.1007/BF02932647
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Case Reports
The nubbin sign on computed tomography and sonography
Urol Radiol.
1987.
Abstract
The loss of parenchyma in the lower pole of a kidney with a duplicated collecting system may mimic a mass on urography ("the nubbin sign"). Computed tomographic findings of this entity are diagnostic. The diagnosis may be difficult to make using sonography alone.
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