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Papillary endolymphatic sac tumor: a case report.
MedLine Citation:
PMID:  22953101     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Glandular tumors involving the middle ear are rare and distinguishing between adenoma and adenocarcinoma remains difficult. A distinct subclass of these tumors demonstrates microscopic papillary architecture and has a propensity to erode the petrous bone and extend intracranially. The term "aggressive papillary middle ear tumor" has recently been proposed to describe this more invasive type of middle ear tumor. These tumors cause symptoms even when microscopic in size. Although histologically benign, they have been locally destructive with frequent intracranial extension and patients may die of uncontrolled local disease. These tumors do not metastasize but there is single case report of drop metastasis to the spine in the literature. Hence this tumor must be distinguished from other benign tumors of the middle ear. These rare neoplasms constitute a distinct pathological entity and deserve wider recognition.
S Arava; R M Soumya; S Chitragar; R Safaya; S H Chandrashekhar; Alok Thakar
Publication Detail:
Type:  Journal Article     Date:  2012-07-17
Journal Detail:
Title:  Case reports in otolaryngology     Volume:  2012     ISSN:  2090-6773     ISO Abbreviation:  Case Rep Otolaryngol     Publication Date:  2012  
Date Detail:
Created Date:  2012-09-06     Completed Date:  2012-09-06     Revised Date:  2013-04-15    
Medline Journal Info:
Nlm Unique ID:  101576603     Medline TA:  Case Rep Otolaryngol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  163851     Citation Subset:  -    
Department of Pathology, All India Institute of Medical Sciences, Academic Building, Ansari Nagar, New Delhi 110 029, India.
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