How common is cancer in the small intestine?
Although the small intestine makes up the largest part of the gastrointestinal (GI) tract, small intestine cancers are rare in the United States. In fact, they account for fewer than 1 in 10 cancers of the gastrointestinal (GI) tract, and fewer than 1 in 100 cancers overall.
Is cancer in small intestine curable?
The early stages of small intestine cancer are often curable. Surgery is typically the main treatment for small intestine cancer. When the tumor is localized, surgery is the only treatment that can cure small intestine cancer.
What are the symptoms of cancer in the intestines?
Some of the more common symptoms of small intestine cancer are:
- Pain in the belly (abdomen)
- Nausea and vomiting.
- Weight loss (without trying)
- Weakness and feeling tired (fatigue)
- Dark-colored stools (from bleeding into the intestine)
- Low red blood cell counts (anemia)
- Yellowing of the skin and eyes (jaundice)
Is small intestine cancer slow growing?
Adenocarcinomas: These cancers start in the gland cells that line the inside of the intestine. They account for about 1 in 3 small intestine cancers. Carcinoid tumors: These tumors are a type of neuroendocrine tumor (NET), and they tend to be slow growing. They are the most common type of small intestine tumor.
Can CT scan detect small intestine cancer?
Although small intestine tumors may not always be seen well on a CT, these scans are good at showing some of the problems that these tumors can cause (like an obstruction or perforation). CT scans can also help find areas of cancer spread.
Are all tumors in small intestine cancer?
Tumors of the small intestine are rare. They can be benign (non-cancerous) or malignant (cancerous). Some originally benign tumors can progress to become malignant.
What causes cancer in the small intestine?
If enough changes build up inside the cells, it can lead to cancer. Many small intestine cancers have specific known gene changes, but often it’s not clear what causes these changes. Sometimes they can be inherited from a parent, or they might be caused by things like alcohol or a diet that’s high in red meats.
Why are small intestine cancers rare?
The fluidity and relative sterility of small bowel contents, and rapid transit time and of the relative sterility of the small bowel itself have been suggested as possible factors contributing to this relatively low incidence.