Abstract:
:Two cystic lesions that were lined by pseudostratified ciliated columnar epithelium containing goblet cells are described. Both lesions were found in the subarachnoid space between the vertebrobasilar arterial system and the brainstem. One cyst was an incidental finding in a patient who died of orbital phycomycosis. The cyst was filled with clear mucinous material. The second cyst presented as a mass adjacent to the brainstem in a woman who had progressive brainstem dysfunction. This lesion showed transition from pseudostratified ciliated columnar epithelium with goblet cells to papillary stratified squamous epithelium, histologic features essentially identical to those of squamous papillomas of the nasal cavity. This lesion was filled with squamous debris. The proposed origin of these lesions is discussed.
journal_name
Hum Patholjournal_title
Human pathologyauthors
Schelper RL,Kagan-Hallet KS,Huntington HWdoi
10.1016/s0046-8177(86)80467-1subject
Has Abstractpub_date
1986-04-01 00:00:00pages
417-22issue
4eissn
0046-8177issn
1532-8392pii
S0046-8177(86)80467-1journal_volume
17pub_type
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