Delta sign on CT is seen in?
Ans. is 'd' i.e., Sagittal sinus thrombosis* The delta sign (or empty delta sign) is CT sign of dural venous sinus thrombosis of the superior sagittal sinus, where contrast outlines a triangular filling defect.
Gradenigo syndrome
Subdural hematoma
Extradural hematoma
Sagittal sinus thrombosis
Nervous System