What is the best imaging method for locating the missing testis in a toddler with clinical cryptorchidism?
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Physicians should use ultrasound (US), magnetic resonance imaging (MRI), or magnetic resonance arteriography/venography (MRA/MRV) cautiously in the work-up of cryptorchidism, as their utility remains unclear. These methods often fail to identify testicles when present, with false-negative rates ranging between 10% for MRA/MRV and 55% for US (SOR: B, meta-analysis with moderate heterogeneity and a diagnostic study comparing imaging with the surgical gold standard).
Evidence Based Practice 15(12): 23.