In addition to a superficial perivascular infiltrates, epidermal changes like parakeratosis and spongiosis are also found in the superficial form.
[e-ijd.org]
Histopathologically, some findings were much more common in the superficial type (eg, spongiosis, parakeratosis, crusts, edema of the papillary dermis, epidermal hyperplasia
[doi.org]
Skin biopsy showed mild hyperkeratosis, mild spongiosis and sparse perivascular mononuclear cellular infiltrate in the upper dermis.
[omicsonline.org]