PMC4897035_01
77-year-old woman with renal tumor. Pre-operative CT. There is a 2.8 cm strongly enhancing, sharply marginated mass (arrow) arising from the left kidney.
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A 77-year-old woman underwent a left partial nephrectomy with local excision of the mass for renal cell carcinoma (Figure 1).
Unenhanced CT of the left kidney at the level of the excised mass, 5 months following tumor excision. The scan is at the same anatomic level as Figure 1. There are three small densities (arrows) in the periphery of the left kidney, adjacent to the surgical defect (D).
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Follow-up CT 5 months later demonstrated post surgical changes including three 1mm hyperdensities near the periphery of the kidney adjacent the tumor excision site (Figure 2).
Unenhanced CT of the left kidney at the level of the excised mass, 11 months following tumor excision. The scan is at the same level as Figure 1, Figure 2. The three small densities seen in Figure 2 are no longer present.
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Subsequent follow-up CT 6 months later (11 months after surgery) showed that these densities were no longer present (Figure 3).