Malignant giant pheochromocytoma: a case report and review of the literature
AbstractMalignant pheochromocytoma is a rare disease and surgical resection
is the only curative treatment. There are no definitive histological
or cytological criteria of malignancy, as it is impossible to
determine this condition in the absence of advanced locoregional
disease or metastases. We report a case of a patient with a giant
retroperitoneal tumour, the second largest to be published, which
was diagnosed as a malignant pheochromocytoma; it was treated
with surgery. The literature is reviewed to evaluate tumour features
and criteria to distinguish between benign and malignant
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