Document Detail

Concurrent lymphocytic hypophysitis and pituitary adenoma. Case report and review of the literature.
MedLine Citation:
PMID:  17219839     Owner:  NLM     Status:  MEDLINE    
Lymphocytic hypophysitis (LyH) is an uncommon intrasellar lesion characterized by lymphocytic infiltration of the adenohypophysis. Evidence suggests that the cause is autoimmune, and the symptoms are usually related to either a mass effect or endocrine dysfunction. Lymphocytic hypophysitis has been described rarely in the setting of other simultaneous pathological processes that involve the pituitary and sella turcica, and is postulated to arise from an intrinsic inflammatory response. The authors report the case of a 43-year-old woman who presented with a 2-month history of galactorrhea and pseudohyperprolactinemia secondary to a 10-mm lesion within an enlarged pituitary gland. She was nulliparous and had no contributory medical history. Serial neuroimaging performed over a 2-year period demonstrated lesion growth, and visual deficits had developed; together these warranted surgical intervention. A transsphenoidal resection was performed. Microscopic and immunohistopathological examinations revealed a nonsecreting pituitary adenoma with concurrent lymphocytic adenohypophysitis. This is the first documented case of LyH in the setting of a null-cell pituitary adenoma. The authors review the related literature and outline potential mechanisms for the concurrent development of LyH and a pituitary adenoma.
Shaye I Moskowitz; Amir Hamrahian; Richard A Prayson; Mercedes Pineyro; Robert R Lorenz; Robert J Weil
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of neurosurgery     Volume:  105     ISSN:  0022-3085     ISO Abbreviation:  J. Neurosurg.     Publication Date:  2006 Aug 
Date Detail:
Created Date:  2007-01-15     Completed Date:  2007-02-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0253357     Medline TA:  J Neurosurg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  309-14     Citation Subset:  AIM; IM    
Department of Neurosurgery, The Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA.
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MeSH Terms
Adenoma / complications*,  diagnosis,  pathology,  surgery
Diagnosis, Differential
Galactorrhea / etiology,  pathology,  surgery
Hyperprolactinemia / etiology,  pathology,  surgery
Inflammation / complications,  diagnosis,  pathology,  surgery
Lymphocytosis / complications*,  diagnosis,  pathology,  surgery
Magnetic Resonance Imaging
Pituitary Diseases / complications*,  diagnosis,  pathology,  surgery
Pituitary Gland / pathology
Pituitary Neoplasms / complications*,  diagnosis,  pathology,  surgery
Sphenoid Bone / surgery

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