FIG 5. MR images in a 68-year-old man with mild AD (MMSE score, 25; duration of illness, 3 years).

A, Multishot diffusion-weighted coronal image shows an atrophic subiculum (left arrowhead) and CA1 (right arrowhead). CA3–4 (arrow) is spared.

B, T2-weighted image scarcely demonstrates the inner structure of the left hippocampus (arrow).