| Malignant pituitary corticotroph adenomas: report of two cases and a comprehensive review of the literature. | |
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MedLine Citation:
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PMID: 18176844 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Corticotroph pituitary carcinomas are tumors, defined by the presence of distant metastases that determine their poor prognosis. The diagnosis and therapy of malignant corticotroph adenomas remains a clinical challenge. The molecular mechanisms of malignant transformation of pituitary adenomas are unclear, although they are believed to arise in an adenoma-to-carcinoma sequence. We describe two cases of malignant Cushing's disease with metastases in liver and bone, respectively. The primary pituitary tumors were treated by a combination of radiotherapy and transsphenoidal surgery, but recurred several times in both patients. The time interval between the diagnosis of Cushing's disease and the discovery of metastases was 32 and 17 years, respectively. In the first case the patient died within 6 months after diagnosis of metastasis, whereas the second patient is alive at a follow-up of 2 years after the discovery of the metastasis. Furthermore, we reviewed all available cases of corticotroph pituitary carcinomas reported in the literature and analyzed their clinical features and therapeutical management. In conclusion, frequent relapses of Cushing's disease, aggressive growth of macroadenoma, Nelson's syndrome after adrenalectomy or persistently high ACTH levels should prompt the clinician to consider the possibility of pituitary corticotroph carcinomas. |
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Authors:
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Agatha A van der Klaauw; Tina Kienitz; Christian J Strasburger; Johannes W A Smit; Johannes A Romijn |
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Publication Detail:
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Type: Case Reports; Journal Article; Research Support, Non-U.S. Gov't; Review |
Journal Detail:
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Title: Pituitary Volume: 12 ISSN: 1573-7403 ISO Abbreviation: Pituitary Publication Date: 2009 |
Date Detail:
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Created Date: 2009-01-22 Completed Date: 2009-08-21 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9814578 Medline TA: Pituitary Country: United States |
Other Details:
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Languages: eng Pagination: 57-69 Citation Subset: IM |
Affiliation:
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Department of Endocrinology and Metabolism, C4-R, Leiden University Medical Center, P.O. Box 9600, Leiden 2300 RC, The Netherlands. a.a.van_der_klaauw@lumc.nl |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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ACTH-Secreting Pituitary Adenoma
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diagnosis*,
metabolism,
pathology* Adult Humans Pituitary ACTH Hypersecretion / complications*, physiopathology Young Adult |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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