dermatologic disorders
Pityriasis Rosea
Diagnosis of Pityriasis Rosea
Clinical evaluation Diagnosis of pityriasis rosea is based on clinical appearance and distribution. Differential diagnosisincludes Tinea Corporis (Body Ringworm) None Tinea Versicolor None Drug Eruptions and Reactions None Psoriasis None Parapsoriasis None Pityriasis lichenoides chronica Lichen Planus None Secondary syphilis None Diagnostic tests for syphilis is indicated when the palms or soles are affected, when a herald patch is not seen, or when lesions occur in an unusual sequence or distribution. 