SUPERFICIAL AND DEEP PERIVASCULAR DERMATITIS
NO EPIDERMAL INVOLVEMENT
Perivascular only
Perivascular and Interstitial
INTERFACE
Vacuolar
Lichenoid
BALLOONING
SPONGIOTIC
Spongiotic only
Psoriasiform
Lichenoid
Psoriasiform lichenoid
PSORIASIFORM
Psoriasiform only
Lichenoid