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Eble JN, Sauter G., Epstein JI, Sesterhenn IA - iarc

Eble JN, Sauter G., Epstein JI, Sesterhenn IA - iarc

Eble JN, Sauter G., Epstein JI, Sesterhenn IA - iarc

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kidney {902,2491}. Gynecomastia may<br />

result from gonadotropin {904} or prolactin<br />

production {2486}.<br />

Renal cell carcinoma also is known for<br />

presenting as metastatic carcinoma of<br />

unknown primary, sometimes in unusual<br />

sites.<br />

Imaging<br />

The current imaging technology has<br />

altered the management of renal masses<br />

as it enables detection and characterization<br />

of very small masses. Radiological<br />

criteria established by Bosniak assist<br />

management of renal masses {283}.<br />

Ultrasonography is useful for detecting<br />

renal lesions and if it is not diagnostic of<br />

a simple cyst, CT before and after IV contrast<br />

is required. Plain CT may confirm a<br />

benign diagnosis by identifying fat in<br />

angiomyolipoma {284}. Lesions without<br />

enhancement require nothing further, but<br />

those with enhancement require followups<br />

at 6 months, 1 year, and then yearly<br />

{258}. Increased use of nephron-sparing<br />

and laparoscopic surgery underscores<br />

the importance of preoperative imaging<br />

work-up. Routine staging work-up for<br />

renal cell carcinoma includes dynamic<br />

CT and chest radiography.<br />

14 Tumours of the kidney

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