Abstract

A 9-year-old boy was admitted to the hospital for recurrent papules,pustules,crust and necrosis all over the body for 8 years.A diagnosis of lymphomatoid papulosis type C was made according to histopathological and immunohistochemical findings.Lymphomatoid papulosis,as a kind of self-healing primary cutaneous CD30+ lymphoproliferative disorder,can be histopathologically divided into 3 types,i.e.,A,B and C,and little is known about its pathogenesis.Lymphomatoid papulosis is often misdiagnosed as pityriasis lichenoides et varioliformis acuta.Lymphomatoid papulosis type C should be pathologically differentiated from primary cutaneous CD30+ anaplastic large cell lymphoma. Key words: Lymphomatoid papulosis; Child

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