Prurigo nodularis
（重定向自Nodular prurigo）
![Pruritic papules and scattered nodules can be seen (a) on the legs, (b) on the arms and (c) on the trunk of this patient with prurigo nodularis.](/Images/godic/202501/29/Prurigo_nodularis3930.jpg")
Prurigo nodularis (PN) is a skin disease characterised by pruritic (itchy) nodules which usually appear on the arms or legs. Patients often present with multiple excoriated lesions caused by scratching. PN is also known as Hyde prurigo nodularis, Picker's nodules, atypical nodular form of neurodermatitis circumscripta, lichen corneus obtusus.