CT scan showed : ( 1 ) Lesions arose mainly from nasal vestibule or anterior part of nasal cavity , consisting of rease hyperplasia type 2 cases , infiltration type 3 cases , and hyperplasia infiltration ( mixed ) type 6 cases .
CT表现：（1）病变起源于鼻腔前部或鼻前庭，病灶形态呈增殖型2例，浸润型3例，混合型6例。
rease