POD is an inflammatory facial eruption, presenting as tiny monomorphic flesh-colored to erythematous papules, vesicles, or pustules around the mouth (see Figure 1), and in some cases involving the ...

Erythematous papules or nodules which over time evolve into plaques with underlying intercommunicating sinuses. Most often occurs on the scalp vertex or occiput. Perifollicular, comedonal papules ...

Small erythematous papules that may be annular or polycyclic and linear plaques characterize the lesions. Lesions enlarge at the periphery and may coalesce with adjacent lesions. The center of the ...