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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 22:518-520 (3 2001)
© 2001 American Society of Neuroradiology

ARTICLE

Inflammatory Myofibroblastic Tumor Involving the Pterygopalatine Fossa

Andrea Campos de Oliveira Ribeiro^a, Varsha M. Joshi^a, William K. Funkhouser^a and Suresh K. Mukherji^,a

^a From the Departments of Radiology (A.C.d.O.R., V.M.J., S.K.M.) and Pathology (W.K.F.), University of North Carolina School of Medicine, Chapel Hill, North Carolina.

Summary: Inflammatory myofibroblastic tumors (IMT) comprise a rare group of lesions characterized histologically by acute and chronic inflammatory cells with a variable degree of fibrous stroma. Occurrence in the extracranial head and neck in children is unusual, and involvement in the pterygopalatine fossa has not, to our knowledge, been reported as occurring in this age group. We present the CT findings of an IMT of the pterygopalatine fossa in a 6-year-old female patient with a 2-week history of fever and a painless swelling of the left cheek. The diagnosis of IMT should be included in the differential diagnosis of a child presenting with an aggressive mass associated with systemic features such as fever, elevated sedimentation rate, and leukocytosis.

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