Figure 2.

Immunostaining of metaplastic cartilage. A. Immunostaining reveals very little decorin, magnification × 500. B. The cartilage reveals the presence of aggrecan (▶) in the cytoplasm, magnification × 400. C. The same chondrocytes were also positive for biglycan (▶), magnification × 400. Countestain: hematoxylin.