<unk>  is abnormal keratinization occurring prematurely within individual cells or groups of cells below the stratum granulosum.<unk>  congenita is congenital disease characterized by reticular skin pigmentation, nail degeneration, and leukoplakia on the mucous membranes associated with short telomeres.
Dyskeratosis
Keratosis
Porokeratosis
Linitis plastica
Hyperkeratosis
Sparganosis
Phakomatosis
Pseudoxanthoma elasticum