Abstract
Background: Pure testicular seminoma does not express alpha fetoprotein (AFP). However, seminoma patients with mildly elevated serum AFP levels are increasingly reported. As this finding may prompt unwarranted treatment measures, we reviewed our experience with AFP levels in seminoma. Patients and Methods: We retrospectively registered AFP levels in 254 consecutive seminoma patients, and in 196 male controls with non-malignant diseases. In those with elevated AFP levels, we re-examined the orchiectomy specimens histologically. We reviewed the clinical course and looked for hepatic disorders. Results: Elevated AFP levels were found in 5 patients (1.97%, 95% CI 0.19-3.68) and in 4 controls (2.04%, 95% CI 0.06-4.02). The elevations were modest and kept elevated throughout the clinical course. No hepatic disorders were recorded. Histologically, pure seminoma was confirmed. Conclusion: Unspecific AFP elevations occur in about 2% of seminoma patients. Care-givers should be aware of this particular subgroup of seminoma patients to avoid unwarranted treatment burden.
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