Adequate venous drainage of brain parenchyma is essential to maintain cerebral perfusion and clearance of cerebrospinal fluid. The cortical vein opacification score (COVES) is a radiographic metric ...

The injury is only in the intima layer of the popliteal artery, but there is no injury to the popliteal vein. The patient's open fracture was type IIIc according to the Gastilo-Anderson classification ...