Pityriasis rosea is an inflammatory skin condition that ... This larger patch appears first and can be found on the chest, back, or abdomen. It’s called the mother patch, and the smaller patches ...

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 ...

“Pityriasis versicolor appears suddenly as a slightly scaly rash over the chest, back and arms which can be pale or white (hypopigmented), dark (hyperpigmented) or pink. The changes in skin ...