Extensive nonhealing perianal ulcers and erosions resulting from herpes simplex in a patient with lymphoma.

Primary herpes simplex on the perineum and buttock with groups of vesicles on a red base.

Recurrent herpes simplex.

Primary herpes simplex in a young teen.

Groups of vesicles and confluent pustules

Swelling of the right labium minor with vesicles and pustules on buttocks in herpes zoster.

Extensive vesicles, erosions, and pustules in S3 to S4 (and hemorrhoid) from the varicella-zoster virus (VZV).

Subacute dermatitis of the vulva in an atopic individual with early lichen simplex chronicus.

Recurrent red, swollen, burning lesion localized always to the same area of the labium minor caused by pyridium in a fixed drug reaction.

Multiple flaccid bullae and erosions of bullous pemphigoid located on a buttock.

Severe painful erosive vulvovaginitis with synechiae in cicatricial pemphigoid. (Courtesy Dr. A. Reicher.)

Extensive denuded areas of skin in the inguinal and labiocrural folds in toxic epidermal necrolysis.

Close up of A showing the dilated papulovesicles almost like red fish eggs.

Lymphangiectasis

Lymphangioma circumscriptum (close up).

Close up of milky lymphatic fluid-filled cystic vesicleson the edge of the labium major and on the mons pubis. This 17-year-old patient had radiation for a pelvic rhabdomyosarcoma at 3 years of age with resulting pelvic fibrosis. These lesions sporadically leaked lymph, causing pruritus and irritation.

Reddish, cystic, peri vulvar and perianal papulovesicles forming a large plaque in a 25 year old.