Figure 6: Hyperpigmentation.

Suction blister sites before the procedure, immediately after, and at different time points showing hyperpigmentation (A). Comparison between suction blister biopsy and a 4mm punch biopsy 1 year later (B).

Suction blister sites before the procedure, immediately after, and at different time points showing hyperpigmentation (A). Comparison between suction blister biopsy and a 4mm punch biopsy 1 year later (B).