Trauma Grade II Hematoma Perinephric and Retroperitoneal << 2. Findings CT Grade II Injury with Perinephric and Retroperitoneal Hematoma Ashley Davidoff MD TheCommonVein.net Related LinksGoogle ImagesGoogleYouTubeWikipediaRadiopediaRadiographicsPubMedChatGPTOpenEvidence>>1. Challenge2. Findings