Total resection combined with osteotomy is more effective for orbital solitary fibrous tumor excision: a report of three cases
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A solitary fibrous tumor is a neoplasm generally arising from the mesothelial surfaces of the pleura and mesothelium. In this paper, we describe three cases of rare solitary fibrous tumors arising from the orbit and discuss the management of the tumors, including diagnosis and treatment. All three cases were treated by surgical resection and showed satisfactory aesthetic and functional results. For a definitive diagnosis, immunohistochemical staining for proteins such as vimentin, CD34 and bcl-2 and hematoxylin and eosin (H&E) staining for identifying the morphological characteristics of spindle cell tumors with a partially storiform pattern and staghorn vessels are indispensable. The principle of treatment for orbital solitary fibrous tumor is complete resection because the prognosis depends on controlling tumor progression, which can be difficult with chemotherapy and radiotherapy alone.
KeywordsOrbital tumor Solitary fibrous tumor Pathology Immunohistochemistry Surgical treatment
This work was supported by JSPS KAKENHI (Grant numbers 26670773 and 26861503).
Conflict of interest
The authors report no conflicts of interests.
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