A Case of Gastric Cancer with Long-Term Survival after Salvage Surgery for Testicular Recurrence

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  • 胃癌術後精巣再発に対しサルベージ手術を行い長期生存を得た1例

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Abstract

<p>Metastatic testicular tumor is a rare disease, whereas gastric cancer is the sixth most common primary tumor. The testis is a special organ with immune privilege that is anatomically and embryologically isolated from the immune system. Thus, it is assumed that anatomical and immunological barrier mechanisms prevent metastasis of malignant tumors to the testis. However, testicular migration of the anticancer drug itself may also be poor due to these barriers. A 42-year-old male was diagnosed with testicular metastasis 6 years after gastric cancer surgery. Chemotherapy (tegafur, gimeracil, oteracil potassium+cisplatin, ramucirumab) did not reduce the size of the metastases, but scrotal resection was performed because the metastases were well controlled without recurrence at other sites. The patient has been recurrence-free for 3 years and 10 months after surgery without chemotherapy. This case suggests that salvage surgery may be effective in patients with metastases confined to the testis and no recurrence at other sites.</p>

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