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British Journal of Radiology 74 (2001),662-667 © 2001 The British Institute of Radiology

Pictorial review

Imaging of giant tumours involving the anterior skull base

S E J Connor, MRCP, FRCR 1 N Umaria, MRCP, FRCR 2 and S V Chavda, FRCR 2

1Department of Neuroimaging, King's College Hospital, Denmark Hill, London SE5 9RS and 2Department of Radiology, City Hospital NHS Trust, Birmingham B18 7QH, UK

Tumours involving the anterior skull base are a challenge in diagnosis and treatment. They may arise from the bony skull base itself, intracranially or from the sinonasal tract and orbit. It is often difficult to determine the site of origin of giant tumours as anatomical boundaries are frequently breached. Accurate imaging evaluation is useful in planning treatment and may help in the differential diagnosis. We review those CT and MRI features of giant anterior cranial fossa tumours which may be helpful in identifying a pre-operative diagnosis.






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