Most<unk> s are asymptomatic, present as a painless mass, or create symptoms such as hypertension, tachycardia, headache, and palpitations. While all contain neurosecretory granules, only in 1–3% of cases is secretion of hormones such as catecholamines abundant enough to be clinically significant; in that case manifestations often resemble those of pheochromocytomas (intra-medullary<unk> .
Paraganglioma
Ganglioglioma
Neurothekeoma
Schwannoma
Glomus tumor
Central neurocytoma
Astrocytoma
Pilocytic astrocytoma