Derm Dx: Warty papules on the chest, ears

A patient, aged 50 years, presented with complaints of bumps on her chest, behind her ears, and in her ear conchae. She has had this eruption since she was a teenager, and reported it worsened in hot weather. The patient reported two of her four children had the same affliction.

On exam, she had warty papules on her sternum, ...