The BHD Literature Database has been updated with a study by researchers at the NIH in the United States. Boris et al investigated whether the pathological concordance of bilateral renal tumours with an oncocytoma would be altered in the presence of BHD syndrome. The authors evaluated 40 patients, 23 of which had been diagnosed with BHD syndrome, finding that these patients do exhibit significantly lower concordance than patients unaffected by BHD. The authors note therefore that BHD patients should be monitored and treated differently; testing for BHD should also be indicated for patients with bilateral renal masses and known oncocytoma.

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