[Inflammatory myofibroblastic tumor of the temporal bone with case report and literature review].

Abstract

Objective: To study the clinical presentation, imaging characteristics, intraoperative findings, and histopathologic features of inflammatory myofibroblastic tumor of the temporal bone.

Method: The clinical information of 1 case was reported and the literatures were also reviewed. The specimens were prepared for immunohistochemical staining and light microscopy.

Result: The lesions were locally aggressive with extensive bony erosion. Histologically, the tumor was composed of spindle cells and large number of chronic inflammatory cells. Immunohistochemical stains demonstrated Vimentin, SMA and CD68 were positive meanwhile S-100 and CK were negative.

Conclusion: Inflammatory myofibroblastic tumor of the temporal bone are rare lesions with a potential of local recurrence. Therapy should consists of surgical excision with steroids reserved for residual or intracranial disease or in patients in whom surgery is not an option.