This study aimed to explore the diagnostic points of myoepithelial carcinoma（MEC）in the nasopharynx analyze through analysing the imaging features.11 patients with MEC in the nasopharynx and paranasal sinus confirmed by pathology were analyzed retrospectively. CT and MRI appearances can localize the tumors，show tumors’size, and delineate the relationship of the 1esions with the surrounding tissue．On CT findings, MEC easily has osteolytic destruction and on MR and ADC vuale it owns certain characteristic features.These characteristics are conducive to the early diagnosis and rational treatment in clinics.
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