Anatomical Location and Ultrasonographic Features of Retroperitoneal Extra-Adrenal Paragangliomas: A Report of Three Cases
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Retroperitoneal extra-adrenal paragangliomas are rare neuroendocrine tumors that frequently arise in a confined anatomical space bordered by the right side of the abdominal aorta, the left side of the inferior vena cava, and the posterior aspect of the horizon... ...
