Well-demarcated, non-encapsulated nodule composed of hyalinized (pinkish), dense collagen fibers separated by spaces.

Associated with Cowden disease (PTEN)

Dense, hyalinized collagen fibers separated by spaces resembling plywood material (plywood pattern)

Scanty fibroblasts

Dense, hyalinized collagen fibers separated by spaces that resemble plywood material (plywood pattern)

Dense, hyalinized collagen fibers separated by spaces that resemble plywood material (plywood pattern)