Preferred Label : bare orbit sign;
Definition : Absence of the innominate line, representing the greater wing of the sphenoid bone,
in the orbit on a frontal radiograph. Suggests sphenoid dysplasia due to neurofibromatosis
type 1.;
Source : Indian J Radiol Imaging 2009;19:135-45;
Origin ID : RID35033;
Associated condition(s)
Absence of the innominate line, representing the greater wing of the sphenoid bone,
in the orbit on a frontal radiograph. Suggests sphenoid dysplasia due to neurofibromatosis
type 1.
