Trabecular and psammomatoid juvenile ossifying fibroma of the skull base mimicking psammomatoid meningioma.
Ossifying fibroma (OF) is a fibro-osseous tumor that usually occurs in young people and arises in the craniofacial bones. We report a case of a 15-year-old boy who developed progressive proptosis and hypertelorism and was found to have a mid-face and skull base tumor, initially diagnosed as psammomatoid meningioma. The tumor recurred and the resected specimen revealed a unique OF having trabecular and psammomatoid features. The clinical, radiographic, histopathologic findings and differential diagnoses of the case are presented.
Department of Pathology, MetroHealth Medical Center-Case Western Reserve University, Cleveland, OH 44109, USA.
Olga L
OL
Bohn
John R
JR
Kalmar
Carl M
CM
Allen
Claudia
C
Kirsch
Dayna
D
Williams
Marino E
ME
Leon
D000293:Adolescent; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D018214:Fibroma, Ossifying / Q000473:pathology* / Q000601:surgery; D006801:Humans; D007150:Immunohistochemistry; D008279:Magnetic Resonance Imaging; D008297:Male; D008577:Meningeal Neoplasms / Q000473:pathology*; D008579:Meningioma / Q000473:pathology*; D009364:Neoplasm Recurrence, Local / Q000473:pathology* / Q000601:surgery; D019635:Neurosurgical Procedures; D019292:Skull Base Neoplasms / Q000473:pathology* / Q000601:surgery; D014057:Tomography, X-Ray Computed