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  • Title: A large pheochromocytoma requiring aortic and inferior vena caval reconstruction: A case report.
    Author: Wang J, Yuan D, Lu Y, Ma Y, Huang B, Yang Y, Zhao J.
    Journal: Medicine (Baltimore); 2019 Jul; 98(29):e16494. PubMed ID: 31335714.
    Abstract:
    RATIONALE: It is difficult to discriminate malignant pheochromocytoma (PCC) from benign PCC. The requirement of abdominal aortic and inferior vena cava reconstruction is extremely rare. PATIENT CONCERNS: We here report a case of a large pheochromocytoma in a 56-year-old woman who complained of only hand trembling and had no hypertension or other symptoms. The operation was difficult because of a tight adhesion to the circumference of great vessels. A replacement of the aortocaval vessels with grafts was necessary to remove the tumor completely. DIAGNOSES: Ultrasonography, computed tomography (CT), and catecholamine assay revealed suspecting the retroperitoneal PCC. INTERVENTIONS: Tumor excision and reconstruction of the abdominal aorta and inferior vena cava by externally supported polytetrafluoroethylene (ePTFE) vessels were successfully performed. OUTCOMES: A follow-up CT angiography showed no recurrence and graft vessels presented good patency after 7years. Catecholamine in urine and serum assay was normal. LESSONS: The complete resection of the tumor and infiltrated great vessels were necessary for the long-term survival of patients with a large PCC. The ePTFE graft is a good substitute for vessel reconstruction.
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