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DDx: | DDx: | ||
*[[Syphilis]]. | *[[Syphilis]] - Spirochete immunostain (in red) is helpful. | ||
*Lichenoid drug reaction. | *Spongiotic vulvitis - Can look very similar - may be more eosinophilic | ||
* | *Mucosal lichen planus/Lichenoid drug reaction. | ||
* | **Both can be very plasmocellular on mucosal surfaces. | ||
**Zoon vulvitis won't show prominent lichenoid destruction of the epithelium. | |||
====Images==== | ====Images==== |
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