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. 1994;36(2):111-4.
doi: 10.1007/BF00588072.

Haemorrhagic pituitary tumours

C M Lazaro  1 , W Y Guo, M Sami, T Hindmarsh, K Ericson, A L Hulting, J Wersäll
Affiliations

Haemorrhagic pituitary tumours

C M Lazaro et al. Neuroradiology. 1994.

Abstract

In a group of 69 patients with pituitary tumours, 12 were found to have evidence of intratumoral haemorrhage on MRI, characterized by high signal intensity on short TR/TE sequences. This was verified in all but 1 patient. The majority of the bleedings occurred in macroadenomas. Five (42%) were prolactinomas and 4 (33%) were non-functioning adenomas. There were 2 GH- and 1 ACTH-secreting tumours. All 5 patients with prolactinomas were on bromocriptine medication. Two of the patients had a clinical picture of pituitary apoplexy. The haemorrhage was not large enough to prompt surgery in any of the patients. However, surgical verification of the diagnosis was obtained in 5 cases, while 6 patients were examined with follow-up MRI.

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