title: Malignant peripheral nerve sheath tumor of the infratemporal fossa.
abstract: Malignant peripheral nerve sheath tumor is a rare pathologic lesion in a patient without neurofibromatosis diseases. The patient is a 36-year-old man without any congenital or systemic diseases who presented with a firm and painful mass on the left preauricular and temporomandibular joint area with paresthesia of temporal region. Clinical diagnosis of this tumor was made with delay owing to the lack of initial sign and symptoms and its location.
authors.affiliation: Department of Oral and Maxillofacial Surgery, Alzahra Hospital, Isfahan University of Medical Sciences, Isfahan, Iran. r_gheisari@dnt.mui.ac.ir
authors.forename: Rasoul
authors.initials: R
authors.lastname: Gheisari
authors.forename: Amrolah
authors.initials: A
authors.lastname: Roozbehi
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005153:Facial Neoplasms / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008297:Male; D018317:Nerve Sheath Neoplasms / Q000175:diagnosis* / Q000473:pathology; D010292:Paresthesia / Q000175:diagnosis; D009418:S100 Proteins / Q000032:analysis; D012983:Soft Tissue Neoplasms / Q000175:diagnosis* / Q000473:pathology; D013701:Temporal Bone / Q000473:pathology*; D014057:Tomography, X-Ray Computed; D014746:Vimentin / Q000032:analysis
chemical_list: D009418:S100 Proteins; D014746:Vimentin