Can you identify this asymptomatic reticular eruption?
A 43-year-old woman with chronic hip pain presents with an asymptomatic eruption on the hip of several months' duration. She has been using a heating pad at night for pain relief because NSAIDs have not been effective.
What is the likely cause of the eruption?
A. Livedo reticularis.
B. Confluent and reticulated papillomatosis.
C. Erythema ab igne.
D. Contact dermatitis.
Livedo reticularis is symmetric. Confluent and reticulated papillomatosis occurs on the trunk and produces scale. Contact dermatitis and psoriasis both produce itching.