Appendix cancer
Appendix cancer, also known as appendiceal cancer, is a very rare malignant tumor that forms in the vermiform appendix.
| Appendix cancer | |
|---|---|
| Other names | Appendiceal cancer |
| An excised biopsy of an appendiceal carcinoid tumor | |
| Specialty | Oncology, general surgery |
| Symptoms | Bloating, discomfort in lower right abdomen, shortness of breath, loss of appetite |
| Usual onset | ~50-55 years old |
| Types | Colonic-Type Adenocarcinoma, Non-carcinoid Appendix Tumors, Signet-Ring Cell Adenocarcinoma |
| Risk factors | Smoking, family history, Multiple endocrine neoplasia type 1 |
| Diagnostic method | Biopsy, CT Scan, MRI |
| Differential diagnosis | Acid reflux, Irritable bowel syndrome, Lactose intolerance, Stomach cancer |
| Treatment | Appendectomy, chemotherapy, radiation therapy |
| Prognosis | Five-year survival rate 25-88% (U.S.) |
| Frequency | ~1,000 cases per year (U.S.) |
| Deaths | Unknown |
Gastrointestinal stromal tumors are rare tumors with malignant potential. Primary lymphomas can occur in the appendix. Breast cancer, colon cancer, and tumors of the female genital tract may metastasize to the appendix.
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