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Paragangliomas may have composite forms in which they combine features of a typical paraganglioma with those of a neural component consisting of either neuroblastoma, ganglioneuroblastoma, or ganglioneuroma. These variants are rare and generally located in the adrenal. Herein, we describe a retroperitoneal, extra-adrenal composite paraganglioma–ganglioneuroma of a 57-year-old woman. Radiological evaluation...