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Korean J Anesthesiol. 2012 Mar;62(3):289-92. doi: 10.4097/kjae.2012.62.3.289. Epub 2012 Mar 21.

Hypertensive crisis during wide excision of gastrointestinal stromal cell tumor (GIST): Undiagnosed paraganglioma -A case report-.

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Department of Anesthesiology and Pain Medicine, College of Medicine, Inha University, Incheon, Korea.


Although paraganglioma (PGL), an extra-adrenal retroperitoneal pheochromocytoma (PHEO), is a rare catecholamine-secreting neuroendocrine tumor, it can cause severe hypertensive crisis during anesthesia or surgery if undiagnosed preoperatively. Extraluminal perigastric masses may be presumed to be gastrointestinal stromal tumors (GISTs) or soft tissue sarcomas even when histologic confirmation is not possible. Therefore, without a histologic diagnosis or symptoms of excessive catecholamine secretion, PGL may be mistaken for GIST. We report a case of preoperatively undiagnosed PGL which caused hypertensive crisis during anesthesia for retroperitoneal mass excision.


Gastrointestinal stromal tumor; Hypertensive crisis; Paraganglioma; Pheochromocytoma

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