DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Shingles rash (C8 distribution) on the neck of a two-year-old girl. Shingles (herpes zoster) is the result of infection of sensory nerves by the varicella-zoster virus, which also causes chickenpox. The virus can remain dormant in the nerve tracts that emerge from the spine. When re- activated, rashes appear along a single sensory nerve. In the case of C8 distribution, rashes occur on the neck. Blisters also appear, filled with fulid that contains virus particles. The blisters break, forming ulcers that dry and form crusts. The crusts fall off 2-3 weeks later, leaving pink, healing skin.
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