Summary: | <p>Abstract</p> <p>Background</p> <p>Carcinoid is an endocrine cell tumor with low-grade atypia, which is generally a low-grade malignant cancer with a good prognosis. Metastatic renal carcinoid is even rarer than primary carcinoids.</p> <p>Case presentation</p> <p>We present our experience of a patient with metastatic renal carcinoid from the gastrointestinal tract.</p> <p>Conclusions</p> <p>The carcinoid tumor of the kidney in our patient, who had a history of liver metastasis from rectal carcinoid, was considered metastatic based on the pathological findings.</p>
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