PMC4735926_01
Cutaneous lesions of erythema ab igne in a hospitalized patient with a history of long-term heating pad use.
CRIM2016-1862480.001.jpg
PMC4735926_01_CRIM2016-1862480.001.jpg
fig1
Dermatology was consulted to assess a reticulated, dusky area on the lower back and buttocks (Figure 1).
(a) Scanning magnification of a punch biopsy of lesional skin reveals a slightly attenuated epidermis, but otherwise unremarkable skin (H&E, 40x). (b) High power view reveals a nonspecific sparse perivascular lymphocytic infiltrate (H&E, 200x). (c) Elastic fiber stain demonstrates fragmented, elastic fibers in the midreticular dermis (arrows); Verhoeff-Van Gieson stain, 200x.
CRIM2016-1862480.002.jpg
PMC4735926_01_CRIM2016-1862480.002.jpg
fig2
A punch biopsy of skin was performed (Figure 2), and histopathologic findings were supportive of erythema ab igne.