Skip to main content

Table 5.

Typical cell morphometric findings at different stages of postmortem decomposition.

Stage of decomposition Cell shape Cell size Cell membrane findings Common artifacts
Antemortem Intact No change Not applicable Not applicable
Oncotic Largely intact Mild to moderate swelling or shrinkage is likely May have blebbing or compression Pericellular and perivascular rarefactions; vacuolization
Early necrotic Largely intact Some cells, especially astrocytes, are excessively enlarged, while others begin to shrink Cell membranes may be indistinct, blurry, or partially damaged Above artifacts, but more widespread and severe; intracellular contents may be seen in extracellular space
Late necrotic Altered Cells shrink as they dissolve Cells are dissolved Washed out tissue areas devoid of cells