目的：对咽旁间隙原发性肿块进行流行病学分析。
Objective: To analyze the epidemiological characters of the original mass in the parapharyngeal space.
目的探讨咽旁间隙区肿块的CT表现，了解其影像特点。
Objective To explore the image features of the masses in parapharyngeal spaces by CT scanning.
目的探讨咽旁间隙区肿块的CT表现，了解其影像特点。
Objective To explore the image features of the masses in parapharyngeal spaces by CT scanning.
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