Fig. 2From: Clinical features as predictors of histologically confirmed inflammation in patients with lumbar disc herniation with associated radiculopathyImmunohistochemical staining of herniated disc tissue sections with inflammatory cells brown with a blue nucleus. Original magnification × 200. CD68-positive macrophages (3 = abundant) (a), CD20-positive T lymphocytes (1 = a few cells) (b), CD3-positive B lymphocytes (1 = a few cells) (C)Back to article page