CHAPTER 4 OBTAINING A DIAGNOSTIC BIOPSY 41
Box 4.1 Histopathologic Patterns in Dermatology∗
Perivascular
Interface
Vasculitis
Interstitial dermatitis
Nodular/diffuse
Intraepidermal vesicular/pustular
Subepidermal vesicular/pustular
Folliculitis/perifolliculitis/furunculosis
Panniculitis
Fibrosing dermatitis
Atrophic dermatopathy∗Used in the morphologic description in the report.Fig. 4.1.The skin is tensed on either side of the lesion to be biopsied; the biopsy punch is positioned per-
pendicular to the skin and rotated smoothly in one direction.