Review Article

The Significance of Scalp Involvement in Pemphigus: A Literature Review

Table 1

Pemphigus Disease Area Index (PDAI) for the scalp.

Scalp
Erosion/blisters or new erythemaPostinflammatory hyperpigmentation or erythema from resolving lesion

0—absent0—absent
1—one quadrant1—present
2—two quadrants
3—three quadrants
4—affecting the whole skull
10—at least one lesion > 6 cm