Abstract
BackgroundEsophageal metastasis of renal cell carcinoma (RCC) is extremely rare. We have described herein a case of a 59-year-old man with esophageal metastasis of RCC that was endoscopically resected.Case presentationThe case was a 59-year-old man who had undergone left nephrectomy for renal clear cell carcinoma 17 years ago and splenectomy for splenic metastasis 3 years ago. Esophagogastroduodenoscopy (EGD) performed 9 years ago revealed a small reddish elevated lesion with a smooth surface in the middle esophagus; this lesion increased in size 4 years ago. However, no biopsy was performed. The lesion continued to grow in size and was found to have become nodular during the present observation. Biopsy revealed clear cell carcinoma. Endoscopic ultrasound (EUS) revealed that the lesion had not invaded the submucosa, and contrast-enhanced computed tomography did not reveal any other metastasis. The lesion was successfully removed en bloc via endoscopic submucosal dissection (ESD). Pathologically, the tumor was detected in the subepithelium with focal infiltration of the muscularis mucosa. It consisted of monotonous cells with small nuclei and a clear cytoplasm. Immunohistological findings indicated that the tumor was a metastasis of RCC. The lateral and vertical margins were noted to be free.ConclusionsWe have presented herein a case of esophageal metastasis of RCC that had progressed over 9 years and was then resected en bloc through endoscopic submucosal dissection.
Highlights
Esophageal metastasis of renal cell carcinoma (RCC) is extremely rare
We have presented a case of esophageal metastasis of RCC that had progressed over 9 years and was resected en bloc through endoscopic submucosal dissection
We have described here a case of a 59-year-old man with esophageal metastasis of RCC that had progressed over 9 years and removed en bloc by endoscopic submucosal dissection (ESD)
Summary
Esophageal metastasis of renal cell carcinoma (RCC) is extremely rare. We have described a case of a 59-year-old man with esophageal metastasis of RCC that was endoscopically resected.Case presentation: The case was a 59-year-old man who had undergone left nephrectomy for renal clear cell carcinoma 17 years ago and splenectomy for splenic metastasis 3 years ago. Conclusions: We have presented a case of esophageal metastasis of RCC that had progressed over 9 years and was resected en bloc through endoscopic submucosal dissection. Background Esophageal metastasis of RCC is extremely rare. Most cases of this disease are detected when the tumor attains a large size and rarely when it is small.
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