PMC4886060_01
Endoscopic view of the Schwannoma.
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During her oropharynx and nasal endoscopic examination, a medium hard, semimobile, painless when pressed, and well-circumscribed mass, with 2 x 1 cm dimensions, was observed, originating from the nasopharynx and stretching downwards from the back of the soft palate (Figure 1).
Preoperative axial neck MR.
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Magnetic resonance (MR) examination revealed a vascular lesion with no high flow which starts from the nasopharynx and completely fills the choana (Figure 2).
Preoperative axial neck CT.
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In computed tomography (CT) examination, a nonhomogeneous lesion was seen which did not create an erosion in the peripheral tissues and did not reveal calcification (Figure 3).
Histopathological view of the Schwannoma.
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In histopathological examination, S100 (+) hyalinizing spindle cell mesenchymal tumor, Antoni A, Antoni B, and Verocay corpuscles were identified (Figure 4).