Incidentally detected kidney masses are increasing in
frequency as more and more Americans undergo CT scans, MRIs, and ultrasounds for
a variety of conditions. Historically,
renal cell cancer was presented with flank pain, mass, or blood in the
urine. However, as medical imaging has
improved in its detection, and its use has flourished, lesions are becoming
quite common.
While not all lesions are cancerous, this is the obvious
concern. Risks for kidney cancer include
smoking and hypertension; however, not all patients with these lesions have
these risk factors.
Recently, a study was published showing that chronic and frequent
use of nonaspirin anti-inflammatory (NSAID) use was associated with an
increased risk of renal cancer development.
While factors such as smoking and hypertension could confound these
results, this increased risk may be a partial factor in the increasing
incidence of these lesions.
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