Schwannoma of right cerebellopontine angle. A cytologic diagnosis

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Alexandra Kalogeraki
Dimitrios Tamiolakis
Iris Zoi
John Segredakis
Maria Kafousi
Antonios Vakis


Schwannoma, Cytology, Histopathology, Immunocytopathology


Schwannomas affect mainly head and neck peripheral nerves, are benign tumors and derive from Schwann cells. Schwannoma of right cerebellopontine angle is extremely rare to diagnose by cytology. We report one such rare case presenting the cytological features in material obtained during the resection of the tumor. Case report: A 47-year-old female was diagnosed by MRI with a tumor of right cerebellopontine angle.. Cytologic material from the tumor was obtained intraoperatively and diagnosed cytologically as a neurilemoma. Conclusion: This case is presented here to focus the ability of cytology in diagnosis of schwannoma in intraoperative material of the tumor, using immunohistochemistry and confirmed by histology- immunohistochemistry.


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