Occult rupture of the spleen.
D000293:Adolescent; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011859:Radiography; D013161:Splenic Rupture / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery