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 erythema | Postinflammatory hyperpigmentation or erythema from resolving lesion |
| 0—absent | 0—absent | 1—one quadrant | 1—present | 2—two quadrants 3—three quadrants 4—affecting the whole skull 10—at least one lesion > 6 cm | |
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