Can cancer have the symptom of skin Sao urticant

summary

Pruritus can be said to be a very common skin phenomenon, but some investigations have found that skin itching is closely related to visceral malignant tumor. It may be a symptom that tumor cells produce histamine, proteolytic enzymes and other bioactive substances to stimulate skin sensory nerve endings, and it is a precursor of cancer. Can bowel cancer have the symptom of skin Sao urticant? Tell everybody about.

Can cancer have the symptom of skin Sao urticant

Hematochezia is the most common symptom of rectal cancer, but it is often ignored by patients or misdiagnosed as hemorrhoids and delayed treatment. Hematochezia is mostly red or dark red, mixed with mucus bloody stool, or pus bloody stool, sometimes accompanied by blood clots and necrotic tissue. The above symptoms are the result of blood supply disturbance, tissue necrosis, erosion, ulceration, infection and ulcer formation after cancer proliferation.

Change of stool habits: due to the mass and its secretions, it can produce symptoms of intestinal irritation, frequent defecation, no daytime feeling, irritability and other symptoms, but the discharge is mostly mucus pus and blood. At first, these "pseudo diarrhea" phenomena often occur shortly after getting up in the morning, which is called morning diarrhea. Later, the frequency gradually increased, even at night can not sleep, changed the past defecation habits.

Intestinal stricture and obstruction: the tumor infiltrates around the circumference of the intestinal wall, making the intestinal cavity narrow, especially at the junction of rectum and sigmoid colon. Rectal ampullary carcinoma is mostly ulcerative. It is estimated that the ampulla is relatively wide. It takes about 1 to 2 years to cause obstruction, narrowing of stool, difficulty in defecation, constipation, abdominal discomfort, bloating and pain. Due to the accumulation of feces, a cord like mass can be found in the upper part of the obstruction, sometimes in the left lower abdomen.

matters needing attention

1. Hemorrhoid bleeding is often not accompanied by pain (but if combined with infection, there will also be anal jumping pain). When the amount of bleeding is small, only blood is carried on the surface of feces. When the amount of bleeding is large, blood can flow like a flood, and the color is bright red. 2. The location of the rectum is high, so bleeding will be retained in the intestine for a period of time, so bleeding is often dark color, often no feces, only exclude some pus and mucus, can have a sense of urgency (that is, there is a sense of defecation, but can not be discharged), and pain also appears in the late stage of rectal cancer.