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Primary Ewing's sarcoma of the paranasal sinus with intracranial extension: imaging features

M Harman^*,1, F Krolu², M Kösem³ and Ö Ünal¹

¹ Department of Radiology, University of Yuzuncu Yl Faculty of Medicine, Van, Turkey; ² Department of Otorhinolaryngology, University of Yuzuncu Yl Faculty of Medicine, Van, Turkey; ³ Department of Pathology, University of Yuzuncu Yl Faculty of Medicine, Van, Turkey

*Correspondence to: Dr Mustafa Harman, Tp Fakültesi Hastanesi, Mara Cad. 65300, Van, Turkey; Email: drmharman{at}hotmail.com

Received 19 May 2003; revised 11 September 2003; accepted 12 September 2003

Extraskeletal Ewing's sarcoma is often described as a tumour involving the soft tissues of the lower extremities and the paravertebral region. Involvement of the paranasal sinus is a very rare entity. We present a case of primary Ewing's sarcoma of the paranasal sinus extending into the middle cranial fossa in a 40-year-old female. CT and MRI findings of this unusual case are discussed. To our knowledge, this case is the first to be reported with CT and MRI documentation.

Keywords: Ewing's sarcoma; paranasal sinus; CT; MRI