Certain findings on Computer-Tomography (CT) scans of the kidney are associated with analgesic nephropathy.


Findings associated with analgesic nephropathy:

(1) papillary calcifications

(2) >= 3 cortical indentations on a slice image ("bumpy" contour)

(3) decrease in renal size estimate (< 103 square mm in males, < 96 square mm in females)


renal size estimate from a slice image in square mm =

= (anterior-to-posterior dimension in mm) * (left-to-right dimension in mm)


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