Paragangliomas of head and neck are rare tumors that occur sporadically with the prevalence of about 1 in 30,000 of head and neck tumors.
Paragangliomas of head and neck are rare tumors that occur sporadically with the prevalence of about 1 in 30,000 of head and neck tumors.
摘要头颈部副神经节瘤是一罕见偶发的疾病，盛行率约占所有头颈部肿瘤的三万分之一。