发生于口、鼻、鼻咽腔、消化道、呼吸道,泌尿生殖道等器官的癌肿,若向腔内溃破,或合并感染,则常有出血或夹有血性的粘液,脓和其他腐臭的分泌物自正常腔道排出。因此,对一些异常的出血要引起高度重视。一、反复出血鼻涕要警惕鼻咽癌:鼻咽癌早期常表现为鼻涕中带有微量血丝、小血块及血性分泌物,且大多在早晨起床后由鼻腔中擤出,或 Occur in the mouth, nose, nasopharyngeal cavity, digestive tract, respiratory tract, genitourinary tract and other organs of the cancer, if the cavity ulceration, or co-infection, often bleeding or clogged bloody mucus, pus and other rancid The secretions from the normal cavity discharge. Therefore, for some abnormal bleeding to be highly valued. First, repeated bleeding nose to be alert nasopharyngeal carcinoma: nasopharyngeal carcinoma often manifested as nasal discharge in the early with a trace of bloodshot eyes, small blood clots and bloody discharge, and most of them get up in the morning after the nasal 擤 out, or