Document Detail

Paired membrane-filament complexes in an acoustic neuroma.
MedLine Citation:
PMID:  1701064     Owner:  NLM     Status:  MEDLINE    
An acoustic neuroma that developed in the posterior fossa of a 43-year-old black man was studied ultrastructurally. Unusual paired membrane-filament complexes were noticed in the cytoplasm of many tumor cells and appeared as multilayered parallel and concentric arrays in various planes of section. The paired membranes were found to be discontinuous with other membrane systems of the tumor cells. The cisternal space measured 25 nm across and housed a regularly arranged, single file of filaments 9 nm in diameter spaced 12 nm apart. In view of the biologic significance and possible origin of these structures, the paired membrane-filament complexes are morphologically compared with the myelin sheaths and cytoplasmic processes in this tumor.
L J Duyvené de Wit; B D Middlecote
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Ultrastructural pathology     Volume:  14     ISSN:  0191-3123     ISO Abbreviation:  Ultrastruct Pathol     Publication Date:    1990 Sep-Oct
Date Detail:
Created Date:  1991-01-09     Completed Date:  1991-01-09     Revised Date:  2009-06-26    
Medline Journal Info:
Nlm Unique ID:  8002867     Medline TA:  Ultrastruct Pathol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  429-38     Citation Subset:  IM    
Department of Anatomical Pathology, University of Orange Free State, Bloemfontein, Republic of South Africa.
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MeSH Terms
Cytoplasm / ultrastructure
Microscopy, Electron
Neuroma, Acoustic / pathology,  ultrastructure*
Staining and Labeling

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