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DISTANT METASTASIS - The Trigeminal Nerve

Now viewing: Case 3

Case 3 - Adenoid cystic carcinoma of left maxillary sinus with metastasis to maxillary division and gasserian ganglion

Open biopsy of the left maxillary sinus revealed adenoid cystic carcinoma. The case was deemed inoperable and treated with radiation therapy and chemotherapy.
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Coronal CT scan with IV contrast medium at the level of the maxillary and mid ethmoid sinuses: there is postoperative change in the left maxillary sinus and nasal fossa with absence of inferior turbinate. A large irregular soft tissue mass occupying most part of the left maxillary sinus with destruction of the bony walls (1).  The left infraorbital canal is enlarged with destruction of the bony boundary (2). Axial CT scan with IV contrast medium at the level of the maxillary sinus and nasopharynx: soft tissue mass in the left pterygopalatine fossa with destruction of the bony boundary (1). The right pterygopalatine fossa is normal (2).
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Coronal CT scan with IV contrast medium at the level of the anterior sphenoid sinus: there is enlargement and erosion of the left foramen rotundum (1). The right foramen rotundum is normal (2). Coronal CT scan with IV contrast medium at the level posterior to the dorsum sella: there is enlargement of the left gasserian ganglion (1). The right ganglion is normal (2).

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