Acute Pityriasis Lichenoides
《英文msh詞典》Acute Pityriasis Lichenoides
[入口詞] Acute Pityriasis Lichenoides
[主題詞] Pityriasis Lichenoides
[英文釋義] A subgroup of PARAPSORIASIS itself divided into acute and chronic forms. The acute form is characterized by the abrupt onset of a generalized,reddish-brown,maculopapular eruption. Lesions may be vesicular,hemorrhagic,crusted,or necrotic. Histologically the disease is characterized by epidermal necrolysis. The chronic form shows milder skin changes with necrosis. An important variant of the chronic form is LYMPHOMATOID PAPULOSIS.