Chapter 32. Tumors of the Paranasal Sinuses
What reconstructive option is indicated for a 3.5-cm defect of the cribriform plate with a high risk for CSF leak postoperatively?
A. Free mucosal graft from the middle turbinate
Physaliferous cells are associated with what histopathologic diagnosis?
What radiographic finding is consistent with a juvenile angiofibroma?
A. Nasal mass extending into the nasopharynx
B. Expansion of infratemporal fossa with a solid mass
C. Nasal mass with associated expansion of the pterygopalatine fossa
D. Invasion of the orbital floor
Which tumor is most correlated with the immunohistochemical staining pattern of cytokeratin negative, chromogranin positive, and epithelial membrane antigen positive?
B. Sinonasal neuroendocrine carcinoma
Which of the following is a contraindication of expanded endoscopic skull base surgery?
A. Invasion of orbital contents
B. Invasion of the cribriform plate
C. Nasolacrimal duct involvement
D. Posterior wall invasion of the maxillary sinus