Research Article

Pathological Tendon Histology in Early and Chronic Human Patellar Tendinopathy

Figure 4

Multiplex immunostained longitudinal patellar tendon biopsy sections from healthy controls (CTRL), patients with early tendinopathy (ET), and patients with chronic tendinopathy (CT). Scalebar: 20 µm. Nuclei (blue), CD163 (red), and S100A8 (green).