Malignant gangliocytic paraganglioma of the duodenum with distant metastases and a lethal course

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Gangliocytic paraganglioma(GP) is rare and has been regarded as benign in general with a good prognosis.We present a patient with duodenal GP showing a malignant and lethal clinical course.A 47-year-old male patient was found to have a duodenal tumor and
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