Esophageal Squamous Cell Carcinoma with Solitary Renal Metastasis-A Case Report

Yi-Chun Lai, Jiun-I Lai, Po-Chou Lin, Wei-Shu Wang, Yen-Chung Chen


An esophageal carcinoma is often diagnosed at an advanced stage and only few patients can be treated for curative resection. The kidney is the fifth most common visceral metastasis site of a primary esophageal carcinoma, ranked after lung, liver, bone and the adrenal gland. More than 50% of renal metastases typically show bilateral involvement. Solitary, unilateral renal metastasis is extremely rare. Therefore, the diagnosis of renal metastases is very difficult. Herein, we report a patient with advanced esophageal cancer and lung metastasis after neoadjuvant concurrent chemoradiotherapy complicated by poor appetite and abdominal pain. Subsequently, a solitary left renal mass was confirmed as esophageal squamous cell carcinoma origin by the immunohistostaining. Prognosis after treatment of recurrent disease is disappointing, and the prognosis is poor. Better early detection methods and effective systemic therapeutic plan for such rare cases are needed.

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