Saturday, October 27, 2012

Symptoms of Anal Cancer

Rectal cancer is still relatively unknown to people, because it is rare, so too little attention. But this is the wrong thing, and the dangers of anal cancer is not small, so below we look at what are the symptoms of anal cancer?

What are the causes of rectal cancer?

The cause of anal cancer is still not very clear, but studies have shown that several factors may be associated with anal cancer, including: human papilloma virus (HPV), sexual activity, smoking, HIV infection and benign rectal factor.

Types of rectal cancer?

According to the sick, anal cancer can be classified into several types, types of rectal cancer: carcinoma in situ, and squamous cell carcinoma, adenocarcinoma, basal cell carcinoma, malignant melanoma and gastrointestinal stromal tumors.

1. Carcinoma in situ: a couple of rectal superficial cells look normal, like cancer.

2. Squamous cell carcinoma: The tumor originated from within the anus and most squamous cell anal canal.

3. Adenocarcinoma: free secretion from the anal glands in the mucosa of the rectum, may also be derived from apocrine glands (sweat glands perianal skin sort of hidden).

4. Basal cell carcinoma: going on the perianal skin or areas of skin frequently exposed to the sun, like the face and hands, and only a few that can occur in the anus.

5. Malignant melanoma: tumor develops from cells that contain melanin from the skin of the anus, only about 1-2 percent of anal cancer is melanoma.

What are the symptoms of anal cancer?

1. Bleeding in the rectum or anus.

2. An abnormal discomfort and itching in the anus.

3. Small bumps on the verge of the anus and slow growth.

4. Changes in bowel habits, stool form thinner.

5. Around the anus or groin lymph glands look swollen.

6. Little anal, pain gets worse when tumor invasion into the anus or sphincter.

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