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  • Title: [A retroperitoneal embryonal carcinoma with a high HCG level].
    Author: Murao T, Sunami M, Yoshioka H, Saito Y, Fujita T.
    Journal: Gan No Rinsho; 1990 Dec; 36(15):2611-5. PubMed ID: 1702478.
    Abstract:
    A case of an embryonal carcinoma of the retroperitoneum in a 23-year-old male is reported. His serum, urinary HCG, serum alpha-fetoprotein, and LDH values were high. After combination chemotherapy, when the tumor markers decreased to within normal values, the retroperitoneal tumor was extirpated. Histologically, a small focus in the embryonal carcinoma and cartilage was seen in the fibrous scar tissue. Immunohistochemically, the cancer cells revealed negativity for HCG, alpha-fetoprotein, and the epithelial membrane antigen. However, with the recurrence of the tumor, his HCG and LDH values elevated. The patient died 8 months after the surgical extirpation of his retroperitoneal tumor.
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