Figure 4.
Presumed mechanism of infarcts in penetrating artery territory. (A) Plaque in parent artery obstructing a branch. (B) Junctional plaque extending into the branch. (C) Microatheroma formed at the orifice of a branch. (D) Emboli from unstable microatheromatous plaque. (E) Fibrinoid degeneration or lipohyalinosis of the distal perforating artery. Y-YZ drew and created this figure with full permission. The authors confirm that this figure was not a reuse of previously published work.