Rigler sign: a subtle finding of pneumoperitoneum.
Lee
Jarone
J
St. Luke's-Roosevelt Hospital Center, Columbia College of Physicians and Surgeons, 1111 Amsterdam Ave, New York, NY 10025, USA.
Pawa
Sapna
S
Quaas
Joshua
J
Shah
Kaushal H
KH
D015746:Abdominal Pain / Q000175:diagnosis / Q000000981:diagnostic imaging; D000368:Aged; D005260:Female; D006801:Humans; D011027:Pneumoperitoneum / Q000175:diagnosis* / Q000000981:diagnostic imaging*; D011859:Radiography