Pheochromocytoma/paraganglioma Syndrome 4, also known as paragangliomas 4, is related to hereditary paraganglioma-pheochromocytoma syndromes and paraganglioma. An important gene associated with Pheochromocytoma/paraganglioma Syndrome 4 is SDHB (Succinate Dehydrogenase Complex Iron Sulfur Subunit B), and among its related pathways/superpathways are glycolysis (BioCyc) and Pyruvate metabolism. Affiliated tissues include kidney and spinal cord, and related phenotypes are neuroblastoma and gastrointestinal stroma tumor