Polyvinyl alcohol sponge for embolotherapy: Particle size and morphology

C. R. Jack, G. Forbes, M. K. Dewanjee, M. L. Brown, F. Earnest IV

Research output: Contribution to journalArticlepeer-review

44 Scopus citations


The size and morphology of particulate polyvinyl alcohol (PVA) sponge prepared by a blender technique for embolotherapy were analyzed by light and scanning electron microscopy. Techniques for preparation and sizing of PVA sponge particles are described. Two types of particulate material, differing in both size and morphology, were found. Large particles (>50 μm) had irregular shape and sharp, jagged edges. Smaller particles (2-50 μm) were more numerous. Attempts to characterize the smaller particles were unsuccessful. Preparation of PVA sponge particles using the blender technique is a viable choice in external carotid neuroembolization procedures. However, the potential effects of small particles possibly causing cranial nerve palsies does need consideration.

Original languageEnglish (US)
Pages (from-to)595-597
Number of pages3
JournalAmerican Journal of Neuroradiology
Issue number4
StatePublished - Dec 11 1985

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Clinical Neurology


Dive into the research topics of 'Polyvinyl alcohol sponge for embolotherapy: Particle size and morphology'. Together they form a unique fingerprint.

Cite this