Chapter 1: General Cytopathology
General Activity
Retroplastic (degenerative) changes.   Note the pyknotic nuclei with small perinuclear halos.  There is no peripheral thickening at the edge of the halo.  Do not confuse this finding with viral (koilocytotic) change.  (Ecto / endocervical smear, Pap, 400x)
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