Ossification of the posterior longitudinal ligament in one of a pair of identical twins concordant for ankylosing spondylitis.
A pair of identical twins suffering from ankylosing spondylitis is reported. One brother developed an earlier-onset disease and showed ossification of the posterior longitudinal ligament and the flavum ligament in his cervical spine.
Olivieri
I
I
Rheumatic Disease Unit, S. Orsola-Malpighi Hospital, Bologna, Italy.
Pappone
N
N
Padula
A
A
Rengo
C
C
Ruju
G P
GP
Pucino
A
A
Trippi
D
D
Ferri
S
S
Pasero
G
G
D000328:Adult; D004200:Diseases in Twins; D006801:Humans; D008297:Male; D009999:Ossification, Heterotopic / Q000150:complications* / Q000000981:diagnostic imaging; D016119:Posterior Cruciate Ligament / Q000000981:diagnostic imaging; D011859:Radiography; D013167:Spondylitis, Ankylosing / Q000150:complications* / Q000000981:diagnostic imaging / Q000235:genetics*; D014430:Twins, Monozygotic