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Nelson Syndrome : definition and management
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Barber, T. M., Adams, E. and Wass, J. A. H. (2014) Nelson Syndrome : definition and management. In: Fliers, Eric and Romijn, Johannes Anthonius and Korbonits, Márta, (eds.) Clinical Neuroendocrinology. Handbook of Clinical Neurology, 124 (3). Elsevier, pp. 327-333. ISBN 9780444596024
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Official URL: http://dx.doi.org/10.1016/B978-0-444-59602-4.00022...
Abstract
Nelson syndrome is an important complication of treatment with total bilateral adrenalectomy (TBA) for patients with refractory Cushing's disease. Although early cases of Nelson syndrome often presented with the clinical features of large sellar masses, the modern face of Nelson syndrome has changed primarily due to earlier detection (with highly resolved magnetic resonance imaging (MRI) and sensitive ACTH assays) and greater awareness of the condition, resulting in reduced morbidity and mortality. Although lack of administration of neoadjuvant pituitary radiotherapy post-TBA surgery may predict future development of Nelson syndrome, other predictive factors remain controversial. Therefore, Nelson syndrome should be screened for closely and long-term in all patients with a history of Cushing's disease and TBA. The diagnosis of Nelson syndrome remains controversial, and the pathogenesis of this condition is incompletely understood. Current hypotheses include the “released negative feedback” mechansism (residual pituitary corticotropinoma cells are “released” from the negative feedback effects of cortisol following TBA), and the “aggressive corticotropinoma” mechanism (Nelson syndrome is most likely to develop in those patients with refractory treatments – including TBA – for an underlying aggressive corticotropinoma). Effective management of Nelson syndrome with pituitary surgery and radiotherapy is often a challenge. Other therapies (such as Gamma Knife surgery and temozolomide) play an important role and merit further research into their efficacy and placement in the management pathway of Nelson syndrome.
| Item Type: | Book Item | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Biomedical Sciences Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Biomedical Sciences > Translational & Experimental Medicine Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School |
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| Series Name: | Handbook of Clinical Neurology | ||||
| Publisher: | Elsevier | ||||
| ISBN: | 9780444596024 | ||||
| Book Title: | Clinical Neuroendocrinology | ||||
| Editor: | Fliers, Eric and Romijn, Johannes Anthonius and Korbonits, Márta | ||||
| Official Date: | 20 September 2014 | ||||
| Dates: |
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| Volume: | 124 | ||||
| Number: | 3 | ||||
| Page Range: | pp. 327-333 | ||||
| DOI: | 10.1016/B978-0-444-59602-4.00022-8 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Description: | Edited as a whole by Professor Michael J. Aminoff, Professor Francois Boller and Professor Dick F. Swaab. |
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