Cogwheel Sign

Gynaecology A term referring to the appearance by ultrasonography in pelvic inflammatory disease, consisting of oedematous intrasalpingeal folds that take the shape of a cogwheel on cross-section
Neurology Cogwheel rigidity
References in periodicals archive ?
Only two patients with chronic disease had the cogwheel sign, and none of the acute cases had the beads-on-a-string sign.