Markedly Melanin-Pigmented Paraganglioma Associated With Decreased Dopa-Decarboxylase Expression Abstract. A 49-year-old woman undergoing evaluation for sigmoid colon cancer was incidentally found to have a 56-mm retroperitoneal tumor. Although asympto

Markedly Melanin-Pigmented Paraganglioma Associated With Decreased Dopa-Decarboxylase Expression. Read more in #JCEM Case Reports: bit.ly/4j30oLt #PigmentedTumor #Paraganglioma #Pheochromocytoma @endocrinesociety.bsky.social