Figure 6From: Detection of postoperative granulation tissue with an ICG-enhanced integrated OI-/X-ray SystemRepresentative Mason's trichrome stains of the lumbar spine (L2/3) of the experimental animal group B show the development of granulation tissue at the left paravertebral soft tissue (a). The magnification of the granulation tissue reveals numerous macrophages (arrows in b), being characteristic for the formation of granulation tissue.Back to article page