The histopathological findings of two nonbranching saccular cerebral aneurysms

Cerebral aneurysms arising from nonbranching sites are different from ordinary branching aneurysms in clinical course and histology. We pathologically examined two cases of saccular aneurysm occurring at nonbranching sites. One was a pseudoaneurysm arising at a branch of the right pericallosal artery. The other had an entirely hyalinized and thickened aneurysmal wall. Despite similar angiographical findings, our two cases had different pathological features as described above. Based on the pathological findings obtained from these cases, we believe that aneurysms in nonbranching sites are caused by injury to the internal elastic lamina. A ruptured aneurysm may be discovered as a blood blister-like aneurysm, whereas an unruptured one may develop into a “nonbranching true aneurysm.”

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
The histopathological findings of two nonbranching saccular cerebral aneurysms ; volume:15 ; number:02 ; year:2020 ; pages:431-433
Asian journal of neurosurgery ; 15, Heft 02 (2020), 431-433

Beteiligte Personen und Organisationen
Kida, Satoru
Tenjin, Hiroshi
Tokuyama, Tsutomu
Saito, Osamu

DOI
10.4103/ajns.AJNS_353_19
URN
urn:nbn:de:101:1-2023012008142433655235
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:39 MESZ

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Beteiligte

  • Kida, Satoru
  • Tenjin, Hiroshi
  • Tokuyama, Tsutomu
  • Saito, Osamu

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