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Seminoma with elevated human chorionic gonadotropin. The case for retroperitoneal lymph node dissection.

T R Pritchett, D G Skinner, S F Selser

    Urology
    |April 1, 1985
    PubMed
    Summary

    Elevated human chorionic gonadotropin (HCG) in pure seminoma patients suggests syncytiotrophoblastic giant cells. This finding warrants consideration of retroperitoneal lymph node dissection and chemotherapy for seminoma with elevated HCG levels.

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    Area of Science:

    • Oncology
    • Pathology
    • Reproductive Endocrinology

    Background:

    • Seminoma is a germ cell tumor of the testis.
    • Human chorionic gonadotropin (HCG) is a hormone typically elevated in certain non-seminomatous germ cell tumors.
    • Elevated HCG in pure seminoma is uncommon and its implications are not fully understood.

    Observation:

    • A patient with a pure seminoma presented with elevated serum HCG levels.
    • The elevated HCG suggested the presence of syncytiotrophoblastic giant cells, either in the primary tumor or metastatic sites.

    Findings:

    • Syncytiotrophoblastic giant cells, indicated by elevated HCG, may be present in pure seminoma.
    • The malignant potential and radioresponsiveness of these cells are currently unknown.
    • Elevated HCG can also be indicative of metastatic embryonal carcinoma.

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    Implications:

    • For seminoma patients with post-orchiectomy elevated HCG, retroperitoneal lymph node dissection should be considered.
    • Adjuvant chemotherapy decisions should be based on pathologic staging.
    • Further research is needed to understand the behavior of syncytiotrophoblastic giant cells in testicular cancer.