PMC4670020_01
Topography of neuropathic-type chronic vulvar pain.. Notes: The figure shows the anatomy of the female anogenital region, its primary cutaneous nerves (white) with accompanying innervation zones (dashed lines), and the most common location of vulvodynia, ie, the vulvar vestibule (yellow). Cutaneous nerve distribution in this anatomical region is however highly variable with numerous anatomical variants having been described, complicating clinical diagnosis of neuropathic pain origin in this anatomical region.
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Though often difficult to differentiate from ilioinguinal neuralgia, this particular pattern was highly suggestive of genitofemoral neuralgia, involving both the genital and femoral branches of the genitofemoral nerve (Figure 1).