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Hyperplasia

Dysplasia
Architectural
increase cellularity
irregular maturation
lack of polarity
dyskeratosis
keratin pearl formation within rete
parakeratosis
increased mitotic figures above basal zone

cytological
increased N/C ratio
increased nulcear size
anisocytosis
anisonucleolis
muclear pleomorphism
nuclear hyperchromasia
nuclear chromatin condensation
increased size of nucleoli
atypical mitotic figures

Atypia (when inflammatory back ground, reactive change)


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