Fig. 4From: A case of intra-articular ganglion cysts of the knee joint: correlation between arthroscopic and magnetic resonance imaginga Hematoxylin–eosin staining revealed loose connective tissue and fibroblasts with interspersed thicker bundles of collagen (10× magnification). b Immunohistochemistry revealed scattered S-100-positive cells among the loose connective tissue (40× magnification)Back to article page