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復發性口腔潰瘍的臨床表現分為哪幾種?

Posted By vickong pun     July 7, 2021    

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復發性口腔潰瘍的臨床表現分為哪幾種?

  復發性口腔潰瘍的臨床表現分為哪幾種?復發性口腔潰瘍的臨床表現可分為三種。


(1)輕型口瘡:該型最多見,在復發性口瘡中約占80%。
在口瘡發生前多數患者局部有不適、觸痛或燒灼感,約24小時後局部水腫、充血,此時呈一小紅點,持續1~3日後,上皮破損,形成小潰瘍,潰瘍漸擴大,直徑約2~5mm,為圓形或橢圓形,邊緣整齊,有約1mm寬的紅暈,中心凹陷狀,其上覆以灰黃色或淺黃白色纖維素性假膜,疼痛加重。
再經過4~5日後,紅暈漸消失而痊癒,愈後不留瘢痕。

(2)重型口瘡:潰瘍較大而深在,似彈坑,直徑10~30mm,深及黏膜下層甚至肌層,潰瘍周圍組織紅腫且隆起,潰瘍持續時間較長,數周至數月才可癒合。
潰瘍一般為一個,周圍可伴有數個小潰瘍,疼痛較重,尤其位於咽旁的潰瘍。

(3)皰疹樣口瘡:其特點是潰瘍小,直徑僅1~2mm,但數目多,有數十個或更多,散在分佈,也具有自限性,可伴頭疼、局部淋巴結腫大等症狀。

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