text: Skin biopsy may be helpful in the diagnosis of<unk> . Common findings include perivascular and dermal inflammatory cell infiltration, vascular dilation, and absent granular layer.
option_0: Psoriasis other diagnostic studies
option_1: Vitiligo other diagnostic studies
option_2: Psoriasis risk factors
option_3: Eczema other diagnostic studies
option_4: Acrodermatitis chronica atrophicans risk factors
option_5: Vitiligo risk factors
option_6: Psoriasis laboratory findings
option_7: Eczema social impact