case_images: PMC5555012_01
case_images: (a) Well-demarcated, erythematous patch with scale on the extensor surface of the right arm. (b) Dots indicate site of biopsy within lesion on the right arm. (c) Biopsy revealed spongiosis and perivascular lymphocytic infiltrate (hematoxylin and eosin).
case_images: CRIDM2017-3418204.001.jpg
case_images: PMC5555012_01_CRIDM2017-3418204.001.jpg
case_images: fig1
case_images: Clinical examination revealed scaly, confluent, well-circumscribed erythematous plaques on the extensor surfaces of the upper arms extending to the forearms with no other lesions noted on skin exam (Figures 1(a) and 1(b)). The biopsy (Figure 1(c)) revealed compact orthokeratosis and significant spongiosis with a perivascular lymphocytic infiltrate, consistent with an eczematous process.