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Papers of the Week
Malignant pheochromocytoma: A diagnostic and therapeutic dilemma.
Authors
Abstract
Malignant pheochromocytomas are rare endocrine tumors that develop within chromaffin tissue. The diagnosis of malignancy is based on neoplastic recurrence or the presence of metastasis in organs that lack chromaffin tissue. We report a series of four cases because of their diagnostic and therapeutic particularities.