1.1. In 2,542 obstetric and gynecologic pathologic specimens examined at the pathology laboratory of the Sloane Hospital for Women, 25 showed moderate to severe degrees of tissue eosinophilia.2.2. The literature on this topic has been reviewed and the degree of eosinophilia correlated to clinical data. The possibility that the presence of eosinophilia in tissue represents a local allergic response, although highly selective, to breakdown of tissue due to neoplasia, bacterial inflammation, or previous surgical procedure is taken into consideration.