| 单词 | Lichen Rubra Planus |
| 释义 | Lichen Rubra Planus《英文msh词典》Lichen Rubra Planus [入口词] Lichen Rubra Planus [主题词] Lichen Planus [英文释义] An inflammatory,pruritic disease of the skin and mucous membranes,which can be either generalized or localized. It is characterized by distinctive purplish,flat-topped papules having a predilection for the trunk and flexor surfaces. The lesions may be discrete or coalesce to form plaques. Histologically,there is a saw-tooth pattern of epidermal hyperplasia and vacuolar alteration of the basal layer of the epidermis along with an intense upper dermal inflammatory infiltrate composed predominantly of T-cells. Etiology is unknown. |
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