1Harnsberger HR, Osborn AG. Differential diagnosis of head and neck lesions based on their space of origin. 1. The suprahyoid part of the neck. AJR, 1991, 157:147-154.
2Teresi LM, Lufkin RB, Vinuela F, et al. MR imaging of the nasopharynx and floor of the middle cranial fossa.Part Ⅰ. Normal anatomy. Radiology, 1987, 164: 811-816.
3Hoe J. CT of nasopharyngeal carcinoma: significance of widening of the preoccipital soft tissue on axial scans. AJR, 1989, 153: 867-872.
4Hoe JW. Computed tomography of nasopharyngeal carcinoma:a review of CT appearances in 56 patients. Europ J Radiol, 1989, 9:83-90.
2Duman D, Naiboglu B, Esen HS,et al. Impaired right ventricular function in adenotonsillar, hypertrophy[J]. Int J Cardiovasc Ima- ging,2008,24(3) :261-267.
