Abstract
Metastatic spermatic cord tumors are relatively rare, and gastric, colorectal, and pancreatic cancers have been reported as the primary lesion [1, 2]. We experienced a case of metastasis to the spermatic cord 1 year after surgery for gastric cancer. A 68-year-old male developed a painful right inguinal mass 1 year after surgery for gastric cancer and tubular adenocarcinoma was diagnosed by aspiration biopsy cytology from the right inguinal mass. A solitary inguinal metastasis was suspected by FDG-PET, and laparoscopic tumor resection was performed for definite diagnosis. Postoperatively, spermatic cord metastasis of gastric cancer was diagnosed pathologically by hematoxylin and eosin staining and immunohistochemistry (CK7+ and CK20−) of the resected samples. As to the metastasis route to the spermatic cord, development from minimal peritoneal disseminated nodules was suspected. Metastatic routes were speculated by comprehensive analysis of clinical information such as laparoscopic findings and a pathohistological approach including immunohistochemistry.
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