PMC2816852_01
A CT scan showing a slightly enhanced, soft tissue mass filling the right anterior nasal cavity and the maxillary sinus, extending to the nasal septum and the right nasal dorsum.
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F1
A paranasal sinus computed tomography scan showed a slightly enhanced, soft tissue mass filling the right anterior nasal cavity and maxillary sinus, extending to the nasal septum and the right nasal dorsum (Fig. 1).
An area of typical adenoid cystic carcinoma with a cribriform pattern (H-E stain, x40 (A), x200 (B)).
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F2
Right medial maxillectomy with resection of the nasal septum was performed, and the pathologic diagnosis was hybrid carcinoma composed of epithelial-myoepithelial carcinoma with an adenoid cystic carcinoma component (cribriform pattern) (Fig. 2, 3).
An area of epithelial-myoepithelial carcinoma composed of ductular structures surrounded by clear myoepithelial cells (H-E stain, x40 (A), x200 (B)).
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F3
Right medial maxillectomy with resection of the nasal septum was performed, and the pathologic diagnosis was hybrid carcinoma composed of epithelial-myoepithelial carcinoma with an adenoid cystic carcinoma component (cribriform pattern) (Fig. 2, 3).