PMC5198731_01
A, Erythematous-to-violaceous confluent patches with peripheral desquamative scale spanning the inguinal creases, labia majora, and clitoris. B, Erythematous-to-violaceous scaling patches involving the perineum and sparing the perianal area.
gr1.jpg
PMC5198731_01_gr1.jpg
fig1
Physical examination found erythematous-to-violaceous, confluent patches with peripheral desquamative scale spanning the inguinal creases, labia majora, clitoris, and perineum; the vaginal mucosa was uninvolved, and the perianal area was clear (Fig 1).
Pathology findings show a lichenoid infiltrate, with acanthosis, hypergranulosis, and a superficial bandlike lymphohistiocytic infiltrate with scattered eosinophils and necrotic keratinocytes.
gr2.jpg
PMC5198731_01_gr2.jpg
fig2
There were no associated psoriasiform or spongiotic changes noted, and the typical features associated with a contact dermatitis were not found (Fig 2).