Differential diagnosis of brown, blue, or black macules, papules, patches, and plaques on the vulva
Differential diagnosis of brown, blue, or black macules, papules, patches, and plaques on the vulva
Common
Less common
Rare
Physiologic hyperpigmentation
Postinflammatory hyperpigmentation
Low-grade squamous intraepithelial lesions
High-grade squamous intraepithelial lesions
Melanocytic nevus
Seborrheic keratosis
Angiokeratoma
Skin tags (acrochordons)
Lentiginosis/vulvar melanosis
Lichen planus
Atypical melanocytic nevus
Melanoma
Varicosity
Pigmented basal cell cancer
Hidradenoma papilliferum
Acanthosis nigricans
The prevalence categories refer to vulvar manifestations of the listed diseases. The relative frequency of each may vary based on the patient population, geography, and type of clinical practice (eg, gynecology, dermatology, or internal medicine).