Figure 1: Histopathological presentation of features of the HOES score by graduation (I–IV): I. Signs of an acute osteitis/osteomyelitis, II. Signs of a chronically florid, that is to say active osteitis/osteomyelitis, III. Signs of a chronic osteitis/osteomyelitis, IV. Signs of a subsided/calmed osteitis/osteomyelitis.
All images in the same magnification (original magnification about 150 x) in standard HE stain.