Fig. 2From: Hypertrophic scar of the conjunctiva presenting as an eyelid mass: an unusual complication after surgical treatment of a chalazionHistopathological examinations (a–c) demonstrated the diffuse proliferation and infiltration of collagenous fibrous bundles (hematoxylin and eosin, ×40, ×100, ×400). Spindle-shaped fibroblasts are positive for CD34 (d; immunohistochemical staining, ×400) and negative for smooth muscle actin (e; immunohistochemical staining, ×400). The excessive collagenous tissue is stained blue (f; Masson’s trichrome staining, ×200)Back to article page