Although the cause of cancer is unknown, many carcinogenic agents have been identified such as smoking cigarettes and drinking alcohol so DON"T DRINK AND DON"T SMOKE!
How do we detect cancer?
Screening tests are helpful in detecting cancer early. Some examples are Pap smears for cervical cancer, digital exam for prostate cancer, fecal occult blood testing for colorectal cancer and mammograms for breast cancer
Examples of Tumors
•Sarcomas- tumors arising from mesenchymal cells which include connective tissue such as cartilage and bone
- ex: Chondrosarcoma is sarcoma of the cartilage.
•Carcinomas- are tumor that originate from the epithelium.
-This includes all the tissues that cover a surface or line a cavity.
-Since the lung is made of squamous cell epithelium a tumor in
the lung would be called squamous cell carcinoma of the
•Epithelial cells that are glandular are called adenocarcinoma.
-A tumor originating in the lining of the stomach would be
called adenocarcinoma of the stomach.
*Example of uterine tumor *Example of lung cancer
Did you know that there are different types of tumors?
-Have the ability to spread somewhere else in the body besides
the original site.
-Often invade and destroy normal surrounding tissue