抓痕周围常有炎性红斑，其上覆有淡黄血清痂或红色血痂。
Frequently there is an inflammatory areola around the excoriation or a covering of yellowish dried serum or red dried blood over it.
他患腹泻，每天有8 ~ 10次带有粘液，脓和鲜红色血的大便。
He developed diarrhea with the daily passage of 8 ~ 10 stools containing mucous, pus, and bright red blood.
果酱色或咖啡色血便多来自小肠及右半结肠，暗红色血便来自左半结肠。
Most of jam colored or coffee colored bloody stools came from small intestine and the right half colon; whereas the dark red colored bloody stool came from the left half colon.
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