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CASE REPORTS
JOURNAL ARTICLE
Pancreatic neuroendocrine tumor with metastasis to the spleen: a case report.
BMC Cancer 2017 January 10
BACKGROUND: Long-term term survival in patients with pancreatic neuroendocrine tumors has been reported, even in patients with metastatic disease. Metastases to the spleen are extremely rare, but have been reported from a number of primary malignancies, such as breast cancer, lung cancer, melanoma and ovarian cancer. This is the first report of a splenic metastasis from a primary pancreatic neuroendocrine tumor.
CASE PRESENTATION: The patient presented as a 53 years old white male with anemia and fatigue. Physical examination revealed a left upper quadrant fullness and computed tomography showed a 24 cm left upper quadrant mass with multiple liver metastases, splenomegaly and a 1 cm mass in the spleen. Resection of the primary pancreatic tumor (T4N0M1) was accompanied by gastrectomy, splenectomy and resection of adherent bowel. The spleen contained a metastatic lesion 1.0 cm in diameter, consistent with a primary neuroendocrine tumor of the pancreas. This operation was followed 8 months later, by delayed resection of liver metastases. The patient receives monthly administration of somatostatin long-acting analogue and has undergone several ablations of liver lesions with percutaneous radiofrequency ablation as well as a second liver resection. The patient is alive seven years after initial presentation, with no evidence of disease on imaging studies.
CONCLUSIONS: This is the first report of a splenic metastasis from a primary pancreatic neuroendocrine tumor. The patient initially presented with synchronous multiple liver metastases and a single splenic metastasis. After resection of the primary tumor and spleen, the patient has undergone aggressive cytoreductive surgery/ablation of liver lesions and somatostatin therapy with resulting long-term survival.
CASE PRESENTATION: The patient presented as a 53 years old white male with anemia and fatigue. Physical examination revealed a left upper quadrant fullness and computed tomography showed a 24 cm left upper quadrant mass with multiple liver metastases, splenomegaly and a 1 cm mass in the spleen. Resection of the primary pancreatic tumor (T4N0M1) was accompanied by gastrectomy, splenectomy and resection of adherent bowel. The spleen contained a metastatic lesion 1.0 cm in diameter, consistent with a primary neuroendocrine tumor of the pancreas. This operation was followed 8 months later, by delayed resection of liver metastases. The patient receives monthly administration of somatostatin long-acting analogue and has undergone several ablations of liver lesions with percutaneous radiofrequency ablation as well as a second liver resection. The patient is alive seven years after initial presentation, with no evidence of disease on imaging studies.
CONCLUSIONS: This is the first report of a splenic metastasis from a primary pancreatic neuroendocrine tumor. The patient initially presented with synchronous multiple liver metastases and a single splenic metastasis. After resection of the primary tumor and spleen, the patient has undergone aggressive cytoreductive surgery/ablation of liver lesions and somatostatin therapy with resulting long-term survival.
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