especially the arms, legs, hands, and torso. These patches can also be itchy and scaly, making it hard to tell the difference between nummular eczema and ringworm. However, nummular eczema is ...

Classically, pityriasis rosea begins as an erythematous, scaly patch on the trunk, known as a herald patch. This large lesion is commonly 2–10 cm in diameter, ovoid, erythematous and slightly ...