Diagnosis of extraorgan retroperitoneal space lesions by B-scan ultrasonography.
D000038:Abscess / Q000175:diagnosis; D000328:Adult; D002102:Cadaver; D003937:Diagnosis, Differential; D005260:Female; D006406:Hematoma / Q000175:diagnosis; D006801:Humans; D008722:Methods; D008875:Middle Aged; D010532:Peritoneal Diseases / Q000175:diagnosis*; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis; D012187:Retroperitoneal Space / Q000033:anatomy & histology; D014463:Ultrasonography