Presacral neuroendocrine tumor (PSNET) is a rare disease that currently lacks a standardized treatment approach. In this report, we present a unique case of PSNET with liver metastasis that progressed into a pseudosacral cyst following complete surgical resection and sulfatinib treatment with radiofrequency ablation. Before undergoing surgical treatment for presacral neuroendocrinology, it is important to consider the potential risks of poor healing of the presacral incision and formation of pseudocysts. These complications may be caused by various factors, including the procedure itself and the use of targeted drugs.
Keywords: cyst; liver metastasis; neuroendocrine tumor; presacral tumor; pseudocysts; sulfatinib.
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