Unilateral nasal obstruction and recurrent epistaxis are the most ones.Combined radical surgical excision and irradiation therapy and long-term follow-up are consideed the best treatment for patient.

• 因其具有缓慢进程之局部复发或远端转移的特性，故以彻底的手术治疗合并放射治疗及长期追踪病人为最好的处置方式。