Fig. 14From: Subchondral insufficiency fractures, subchondral insufficiency fractures with osteonecrosis, and other apparently spontaneous subchondral bone lesions of the knee—pathogenesis and diagnosis at imagingMicrovascularization of the subchondral bone of a condyle (from Reddy and Frederick [41]). The subchondral area has multiple anastomoses between terminal arteriolesBack to article page