Abstract:
:Pituitary apoplexy in patients with pituitary macroadenomas can occur either spontaneously or following various interventions. We present a case of a 71-year-old woman who developed third, fourth, and sixth cranial nerve palsies following administration of the four hypothalamic releasing hormones for routine preoperative testing of pituitary function. The MR examination showed interval tumor growth with impression of the floor of the third ventricle. There were also changes in signal intensity characteristics of the mass, suggestive of intratumoral bleeding. A transsphenoidal surgery with subtotal resection of the pituitary adenoma was performed. Microscopical examination revealed large areas of necrosis and blood surrounded by adenomatous tissue. Third, fourth, and sixth cranial nerve palsies completely resolved within 4 months. We conclude that MR imaging is useful in the demonstration of pituitary apoplexy following preoperative stimulation tests, but we suggest that these tests should be abandoned in patients with pituitary macroadenomas.
journal_name
Eur J Radioljournal_title
European journal of radiologyauthors
Riedl M,Clodi M,Kotzmann H,Hainfellner JA,Schima W,Reitner A,Czech T,Luger Adoi
10.1016/s0720-048x(00)00148-0keywords:
subject
Has Abstractpub_date
2000-10-01 00:00:00pages
1-4issue
1eissn
0720-048Xissn
1872-7727pii
S0720-048X(00)00148-0journal_volume
36pub_type
杂志文章abstract::The purpose of this study was to evaluate by CT the usefulness of the non-distension of the stomach in determining invasion of the gastric cancer into perigastric space and adjacent organs. Forty-eight patients with pathologically proved gastric cancer were studied by conventional CT. Patients were examined using two ...
journal_title:European journal of radiology
pub_type: 杂志文章
doi:10.1016/s0720-048x(98)00024-2
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doi:10.1016/j.ejrad.2004.02.008
更新日期:2005-01-01 00:00:00
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pub_type: 临床试验,杂志文章
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