Histopathological lesions following intramuscular administration of saline in laboratory rodents and rabbits.

This review was undertaken to assess the nature and incidence of procedure-related changes in mice, rats and rabbits which received saline solution by intramuscular injection. Data were collected on the injection sites from 7 studies representing 152 animals. The original observations by the different study pathologists from both control and treated animals were evaluated in order to create a glossary of preferred terms to be used in toxicology studies.