A Perianal Erythematous Plaque: A Quiz

Unusual Erythematous and Infiltrated Plaque.

A 30-year-old man presented with an erythematous plaque on his left forearm. The plaque began as vesicles and was pruritic. The area was mildly infiltrated and had a particular pattern (Figure 1). He had applied an ornamental tattoo five days prior to the development of the rash, and the rash did not spread beyond the border of the tattoo. His medical history was unremarkable. Physical examinat...

A Circumscribed and Persistent Erythematous Plaque on the Palm

A 66 year-old white woman had a unique cutaneous lesion localized at her right thenar eminence. It was a shiny erythematous round plaque with a clear scaling border that was slightly depressed (Figure 1A). The lesion was completely asymptomatic and had been noticed by the patient many years before. It had 1.5cm of diameter and had been stable during all these years. Dermoscopy showed a depresse...

SkIndia Quiz 37: A Persistent Plaque in the Pubic Region

© 2017 Indian Dermatology Online Journal | Published by Wolters Kluwer Medknow A 70‐year‐old man presented with an itchy eczematous well‐defined plaque of size 10 × 7 cm involving the pubic region, penis, and scrotum. It was eroded at places and covered with grayish‐white scales and crusts [Figure 1]. The lesion had persisted almost unchanged for 15 years despite treatment. Skin biopsy stained ...

Silvery and Keratotic Plaque on the Glans Penis: A Quiz.

An asymptomatic erythematous scaly plaque on the left lower back

A 61-year-old man was referred to our dermatology departmentfor the evaluation of a single asymptomatic plaque on hisleft lower back that has been present for one year. The lesionbegan as an erythematous scaly plaque that