title: Gray-scale ultrasound evaluation of the lower extremities.
mesh_terms: D000783:Aneurysm / Q000175:diagnosis; D003560:Cysts / Q000175:diagnosis; D003937:Diagnosis, Differential; D005263:Femoral Artery; D006801:Humans; D007719:Knee Joint; D007866:Leg / Q000098:blood supply*; D011150:Popliteal Artery; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography; D014652:Vascular Diseases / Q000175:diagnosis*