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Washington University Experience | NEOPLASMS (NEURONAL) | Paraganglioma - Cauda Equina Neuroendocrine Tumor | 9A2 Paraganglioma (Case 9) H&E 3.jpg
Microscopic sections reveal a paraganglioma. Tumor cell density is moderate, and a neuroendocrine pattern is seen with tumor cells arranged in cords, ribbons, and irregular clusters; the classic 'zellballen' pattern is only focal at best.
