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Australas Radiol. 1996 Feb;40(1):88-90.

Giant growth-hormone secreting pituitary tumour with extracranial extension.

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1
Department of Medicine, University of Hong Kong.

Abstract

A 19 year old female patient with typical features of acromegaly was found to have an extensive pituitary tumour with suprasellar, lateral and inferior extensions. Magnetic resonance imaging (MRI) also showed a portion of the tumour extending from the right cavernous sinus through the foramen ovale to become extracranial. Serum growth hormone (GH) was 52.6 mU/L basally and remained elevated after oral glucose, confirming the diagnosis of acromegaly. Treatment with the long-acting somatostatin analogue, octreotide, for 6 months led to a 30% reduction in tumour volume of the intracranial portion but no effect on the extracranial and sphenoidal extensions. She was subsequently treated with trans-sphenoidal surgery followed by external irradiation. The possibility of perineural spread of the tumour was considered.

[Indexed for MEDLINE]

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