The button sequestrum sign.
Krasnokutsky
Michael V
MV
Department of Radiology, Tripler Army Medical Center, MCHK-DR, 1 Jarrett White Rd, Tripler AMC, HI 96859-5000, USA.
D001847:Bone Diseases / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D014057:Tomography, X-Ray Computed