Erschienen in:
01.03.2010 | Clincal Quiz
Differential diagnosis of renal mass: answer
Erschienen in: Pediatric Nephrology | Ausgabe 3/2010
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1.
The magnetic resonance (MR) study shows a wedge-shaped area in the right kidney (black arrows), which had homogeneous early arterial enhancement, similar to that of the renal cortex (black arrows). The appearance is consistent with a hypertrophied column of Bertin. Magnetic resonance is helpful in differentiating renal masses that have been found by ultrasound to be suggestive of malignancy.
2.
The renal scan shows normal size, shape and contour of both kidneys, with normal homogeneous uptake of the isotope and no photopenic areas.
3.
The renal mass represents columns of Bertin, as the wedge-shaped area in the MR study showed arterial enhancement similar to that of the cortex and the renal scan was normal.