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粉刺

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長在臉上的粉刺

粉刺(Acne vulgaris, 一般簡稱Acne),病名。亦名酒刺或肺風粉刺。指生于面部的一種皮膚疾患,實際屬于痤瘡之一種表現。癥見皮疹如粟,有時因其所生丘疹頂端呈黑色,故又稱黑頭粉刺。甚則色赤腫痛,擠破出白粉汁,摳后感染膿泡,可形成腫或皮脂瘤。治宜宣肺清熱。

粉刺常被用來代指痤瘡, 其實粉刺只是痤瘡眾多表現的一種,痤瘡還包括很多病理改變,比如丘疹,膿皰、結節、瘢痕等。

發病部位以顏面為多,亦可見于胸背上部及肩胛處,胸前、頸后、臀部等處?;緭p害為毛囊性丘疹,中央有一黑點,稱黑頭粉刺;周圍色紅,擠壓有米粒樣白色脂栓排出,另有無黑頭、成灰白色的小丘疹,稱白頭粉刺。若發生炎癥,粉刺發紅,頂部發生小膿皰,此時可影響容貌。破潰痊愈后,可遺留暫時色素沉著或有輕度凹陷的疤痕,有的形成結節、膿腫、囊腫疤痕等多種形態的傷害,甚至破潰后形成多個竇道和疤痕,嚴重者呈橘皮臉。臨床上常以一、二種損害較為明顯,往往同時存在油性皮脂溢出而并發頭面部脂溢性皮炎,此時面部油膩發亮,還可發生成片的紅斑,且覆蓋上油性痂皮,常年不愈。自覺可稍有瘙癢或疼痛,病程纏綿,往往此起彼伏,新疹不斷繼發,有的可遷延數年或十余年。

黑頭粉刺

發病人群以15-30歲為主,因為隨著皮膚油脂的下降,青春痘的程度自然減輕。當年齡增長時,皮膚會慢慢由油轉干,所以一般年紀越大越少長粉刺。

預防治療等詳細信息請參看痤瘡條目。

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