Central Nervous System- Basic Neuropathology
Question No. 21. The Answer is: (A). The followings are true:
1. The morphologic features are most consistent the early phase of an infarction.
2. Can be produced by obstruction of the middle cerebral arteries.
3. The cell labeled by the arrow is a macrophage.
Discussion: This picture is most consistent the late early phase of an infarction. The arrow indicates the only marcrophage in this field with round shape nucleus, and foamy and granular cytoplasm. In this particular photo, most of the neurons are necrotic and exist as ghost cells.