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Recurrent Orbital Solitary Fibrous Tumor in a 12-Year-Old
Alexander F Vu1, Rao V Chundury2, Alexander D Blandford1
1Cole Eye Institute, Cleveland Clinic, Cleveland, OH, USA.
Purpose:
To report the clinical features and pathology of orbital solitary fibrous tumors and present a case of a recurrence in a 12-year-old boy.
Methods:
Case Report.
Results:
A 12-year-old boy presented to our institution with double vision in upgaze for 6 months. Examination revealed 3 mm of left-sided proptosis, hypoglobus, and -3 impairment of supraduction. Magnetic resonance imaging of the orbits showed an avidly enhancing mass within the superolateral aspect of the orbit. Biopsy revealed a solitary fibrous tumor with STAT6 and CD34 positivity. Positron emission tomography-computed tomography was negative for metastatic disease. The tumor underwent excision. However, 4 months postoperatively, imaging revealed changes consistent with recurrence. A repeat lateral orbitotomy with orbital rim marginotomy was performed with complete gross excision of the tumor. The patient remains tumor-free 22 months after reoperation.
Conclusion:
Orbital solitary fibrous tumor rarely occurs in the pediatric population. Despite initial complete gross tumor excision, this case represents the youngest individual with a recurrence to the authors' knowledge. This case of rapid recurrence may have been due to tumor seeding at the time of initial biopsy or other factors. This case increases the known spectrum of orbital solitary fibrous tumors.
