Intrasellar pituitary tissue pressure, tumour size and endocrine status--an international comparison in 107 patients.

Abstract:

:In a two-centre study, intrasellar pituitary tissue pressure was measured at transsphenoidal surgery in 107 patients with pituitary adenomas or intrasellar cysts. 'Normal' ISP in patients under anaesthesia with small microadenomas (< 5 mm diameter) or a partial empty sella was 12 +/- 3 mmHg. Raised ISP (> 15 mmHg) was found in 75% of cases. The highest pressures were recorded in tumours with parasellar invasion (30 +/- 2; p < 0.01) irrespective of size and extension in other directions. In non-invasive lesions there was no correlation between the level of raised ISP and tumour size. Hypopituitarism and stalk compression syndrome were both associated with higher ISP than patients with normal pituitary function.

journal_name

Br J Neurosurg

authors

Lees PD,Fahlbusch R,Zrinzo A,Pickard JD

doi

10.3109/02688699409029619

subject

Has Abstract

pub_date

1994-01-01 00:00:00

pages

313-8

issue

3

eissn

0268-8697

issn

1360-046X

journal_volume

8

pub_type

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