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