Ancient renal schwannomas pose substantial diagnostic challenges as they frequently masquerade as renal malignancies on imaging. While definitive diagnosis currently relies on histopathological analysis, maintaining awareness of this rare entity is important when evaluating complex cystic renal masses. Greater diagnostic awareness may help inform surgical planning and, in selected cases, allow consideration of nephron-sparing approaches.
Akdagcik et al. (Wed,) studied this question.