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Table 2 Histological findings for gels

From: Absence of neurotoxicity with perineural injection of ultrasound gels: assessment using an animal model

  n Perineural inflammation Confluent changes
Axonal degeneration Intraneural inflammation Myelin degeneration
   n (%) n (%) n (%) n (%)
Aquasonic® 100      
Gel 8 8 (100%) 0 (0%) 0 (0%) 0 (0%)
Saline 8 8 (100%) 0 (0%) 0 (0%) 0 (0%)
PDI®      
Gel 8 8 (100%) 0 (0%) 0 (0%) 0 (0%)
Saline 8 7 (82.5%) 0 (0%) 0 (0%) 0 (0%)
K-Y®      
Gel 8 8 (100%) 1 (13%) 1 (13%) 1 (13%)
Saline 8 5 (63%) Possible 2 (25%) 1 (13%) 1 (13%) 1 (13%)