PMC5726693_01
Erythematous, erosive, crusty and painful plaques on the occipital and
post-auricular regions
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A 36-year-old female patient presented to the clinic with erythematous, erosive and painful plaques on the perioral, perinasal, post-auricular and occipital regions (Figure 1).
iII-defined scaly plaques on the left axilla
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She also had ill-defined, erythematous, scaly plaques on the trunk, axillae, buttocks, and inguinal region (Figure 2).
Edema of the vulva and mons pubis, followed by ill-defined erythema and
scaling
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In addition, there was obvious edema of the vulva and mons pubis (Figure 3).
A. The histology of the post-auricular lesion reveals
granulomatous infiltration occupying the whole dermis. There is mild
focal parakeratosis, acanthosis and spongiosis of the overlying
epidermis (Hematoxylin & eosin, X40). B. iII-defined
granuloma with histiocytes, some multinucleated giant cells, lymphocytes
and plasma cells (Hematoxylin & eosin, X200)
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Surprisingly, both lesions revealed a granulomatous infiltrate of lymphocytes, epithelioid histiocytes, plasma cells, some eosinophils and multinucleated giant cells occupying the dermis (Figure 4).