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Lyme disease Recognising and treating erythema migrans

机译:莱姆病识别和治疗偏头痛红斑

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An expanding ring-shaped lesion. Erythema migrans is a red circular rash that begins with an ery-thematous papule at the site of the tick bite and gradually expands cen-trifugally, reaching at least 5 cm in diameter; the centre of the lesion gradually becomes lighter in colour, with a darker outer edge (1,2,4,6,7).Variants include: a triangular rash in the skin folds or a linear rash on a limb; absence of the central pale area or a rosette-like pattern; an indurated, ulcerated or vesicular centre; a purpuric or scaly rash; and a diameter less than 5 cm (1,4,6,7,9). Erythema migrans is usually painless or mildly pruritic, but some patients may experience a burning sensation.Smaller secondary annular skin lesions with less distinctive centrifugal expansion sometimes appear at a distance from the primary lesion. These multiple lesions, due to hae-matogenous spread of the infection, are rare in Europe (2,4,6).
机译:扩大的环形病变。迁徙性红斑是一种红色的圆形皮疹,始于the叮咬部位的红斑丘疹,逐渐向中央扩展,直径至少达到5厘米。病变的中心颜色逐渐变浅,外边缘变暗(1,2,4,6,7)。变异包括:皮肤皱褶呈三角形皮疹或四肢呈线性皮疹。没有中央的苍白区域或玫瑰花状图案;硬结,溃疡或水泡中心;紫癜或鳞屑性皮疹;直径小于5厘米(1、4、6、7、9)。偏头痛性红斑通常无痛或轻度瘙痒,但有些患者可能会感到灼痛感。继发于环状环形皮肤的病灶较远,有时会出现较小的继发环状环状皮肤病灶,离心扩张程度较差。由于感染的病原体扩散,这些多发性病变在欧洲很少见(2、4、6)。

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    《Prescrire international》 |2015年第164期|共3页
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  • 正文语种 eng
  • 中图分类 药学;
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