“…Histologic findings considered as PA by Lee et al1 favor more PPA, judging from adjacent prominent spongiosis, and predominance of nonlymphoid cells, showing presence of histiocyte, Langerhans cell, and stellate keratinocyte without atypical features. Additional immunohistochemical study will be also useful in the differential diagnosis, using CD1a, CD3, CD4, CD68, and high molecular cytokeratin5.…”