PMC7683335_01
Intraoperative view of bilocated paraganglioma aorticopulmonale
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A second tumor, sized 4 x 4.2 x 3.6 cm, was palpated caudal the aortic arch (see Fig. 1).
Characteristic Zellballen morphology (100x).
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The histopathologic examination revealed nodular infiltrates composed of nests and trabeculae of polygonal cells (see Fig. 2).
a: Immunohistochemical staining for synaptophysin (200x), Fig. 3b: Immunohistochemical staining for chromogranin A (200x).
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