Dense collagen can be found near the base of some lesions. Whether the dense collagen represents normal structure or is part of the lesion is problematical. Composite scan power view of a gingival nodule. There is a spicule of bone in the base. Low power from near the base.
Bone is to the right, and there are dense bundles of parallel collagen to the left.
Giant cells and cells having histiocytic features are in vascular stroma above and to the left. Medium power view of the interior of the nodule. Numerous giant cell, some of which are osteoclast-like, are in stroma that appears to be hemorrhagic. Click on your browser's 'Back' button to return to the previous page.