Diffuse colloid goiter 1. Cut surface: brown, glassy, translucent: 200-300 Colloid is abundant in the follicles 3. follicular epithelium are flattened or cuboidal or hyperplasiaDiffuse colloid goiter 1. Cut surface: brown, glassy, translucent; 200-300g 2. Colloid is abundant in the follicles; 3. follicular epithelium are flattened or cuboidal or hyperplasia