Follicular plugging and hyperkeratosis are seen in too many other conditions to be of critical diagnostic use. Scan power view of the biopsy. Patchy lymphocytic infiltrates are seen in the reticular dermis. Some of these are vertically oriented in this case, and this vertical orientation is usually indicative of perifollicular involvement. Low power view of the superficial part of the biopsy.
Low power view deeper in the biopsy.
There is keratinocyte enlargement of follicular epithelium. Sometimes this is more striking in LE than changes in the interappendigeal epidermis. High power view of the superficial part of the biopsy. High power view from the deep reticular dermis. This shows up better on some monitors than others.