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Pituitary apoplexy in non functioning pituitary adenomas - long term follow up is important because of significant numbers of tumour recurrences.
MedLine Citation:
PMID:  21521336     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Objectives:  The frequency of pituitary tumour regrowth after an episode of classical pituitary apoplexy is unknown. It is thus unclear whether regrowth, if it occurs, does so less frequently than with non apoplectic non functioning pituitary macroadenomas that have undergone surgery without postoperative irradiation. This has important repercussions on follow up protocols for these patients. Design:  Retrospective cohort study of patients diagnosed with classical pituitary apoplexy in Oxford in the last 24 years. Measurements:  MRI/CT scans of the pituitary were performed post-operatively and in those patients who did not receive pituitary irradiation: this was repeated yearly for five years and two yearly thereafter. Results:  Thirty two patients with non functioning pituitary adenomas who presented with classical pituitary apoplexy were studied. There were 23 men and the mean age was 56.6 years (range 29-85). The mean follow up period was 81 months (range 6-248). Five patients received adjuvant radiotherapy within 6 months of surgery and were excluded from further analysis. In this group there were no recurrences during a mean follow up of 83 months (range 20-150). In the remaining 27 cases there were 3 recurrences, with a mean of 79 months follow up (range 6-248) occurring 12, 51 and 86 months after surgery. This gives a recurrence rate of 11.1% at a mean follow up of 6.6 years post surgery. All recurrences had residual tumour on the post operative scan. Conclusions: Patients with classical pituitary apoplexy may show recurrent pituitary tumour growth and therefore these patients need continued post-operative surveillance if they have not had post-operative radiotherapy.
Authors:
A Pal; C Capatina; Ap Tenreiro; Pd Guardiola; Jv Byrne; S Cudlip; N Karavitaki; Jah Wass
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-19
Journal Detail:
Title:  Clinical endocrinology     Volume:  -     ISSN:  1365-2265     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0346653     Medline TA:  Clin Endocrinol (Oxf)     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Blackwell Publishing Ltd.
Affiliation:
Department of Endocrinology, Oxford Centre for Diabetes, Endocrinology and Metabolism, Churchill Hospital, University of Oxford, OX3 7LJ Department of Neuroradiology, The John Radcliffe Hospital, Oxford OX3 9DU Department of Neurosurgery, John Radcliffe Hospital, Oxford OX3 9DU.
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