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Case ReportOpen Access
Malignant Transformation in a Benign Encapsulated Schwannoma of Retropharyngeal Space : A Case Report
Supiyaphun P 
,
Snidvongs K ,
Shuangshoti S ,
Khowprasert C
,
Snidvongs K ,
Shuangshoti S ,
Khowprasert C Malignant schwannomas are rare in the head and neck, however benign schwannoma of
this area are common. Cases of malignant schwannoma have been reported in the nasal cavity,
paranasal sinuses, eye, parapharyngeal space and neck with or without an association of von
Recklinghausen disease. We described a case of an asymptomatic solitary malignant schwannoma
arising in the retropharyngeal space which was treated by local excision and postoperative radiotherapy.
To our know ledge, this case may be the first reported case in the world literature.
this area are common. Cases of malignant schwannoma have been reported in the nasal cavity,
paranasal sinuses, eye, parapharyngeal space and neck with or without an association of von
Recklinghausen disease. We described a case of an asymptomatic solitary malignant schwannoma
arising in the retropharyngeal space which was treated by local excision and postoperative radiotherapy.
To our know ledge, this case may be the first reported case in the world literature.
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