Abstract
IntroductionTesticular germ cell tumors are common in young men. There is a wide consensus regarding the key points in their diagnosis and treatment, although some elements, including the best approach to follow-up, are being reviewed and revised.We present a statistical study that uses tools for the evaluation of diagnostic tests to compare the usefulness of abdominal ultrasonography (US) with that of abdominal CT, taken as the gold standard, in the detection of liver metastases and retroperitoneal adenopathies in patients with testicular germ cell tumors. Material and methodsWe analyzed a total of 308 diagnostic tests (154 CT studies and 154 US studies) from 59 patients with at least one year's follow-up at our institution. Patients underwent abdominal US before abdominal CT following a standard protocol. ResultsCompared to the gold standard, abdominal US had 95% sensitivity, 92% specificity, 82% positive predictive value (PPV), and 98% negative predictive value (NPV). ConclusionUS is very sensitive and can be used in protocols for the follow-up of primary testicular tumors to rule out the disease.
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