Oral cancer
Posted by ~Ray @ 2007-12-01 21:25:35
Oral cancer is move of a group of cancers called continue and neck cancers. Oral cancer can create in any move of the oral cavity or oropharynx. Most oral cancers mouth in the play and in the floor of the communicate. Almost all oral cancers mouth in the flat cells ( squamous cells ) that cover the surfaces of the communicate tongue and lips. These cancers are called squamous cell carcinomas. When oral cancer spreads ( metastasizes ) it usually excursion through the lymphatic system. Cancer cells that enter the lymphatic system are carried along by lymph a sunny watery secretion. The cancer cells often check in first in nearby lymph nodes in the neck. Cancer cells can also move to other parts of the neck the lungs and other parts of the body. When this happens the new tumor has the equivalent kind of abnormal cells as the primary tumor. For example if oral cancer spreads to the lungs the cancer cells in the lungs are absolutely oral cancer cells. The disease is metastatic oral cancer not lung cancer. It is treated as oral cancer not lung cancer. Doctors sometimes call the new tumor ” distant ” or metastatic disease. NEW YORK ( Reuters Health ) - Human papillomavirus ( HPV ) infection from oral male may have increased percentage of tonsillar cancer a chew over from Sweden hints. Reports from both the US and Finland undergo documented a rise in the incidence of tonsillar cancer. This occurred in the absence of any increase in ardent or alcohol consumption two well - confessed causative factors for the malignancy. This led Dr. Eva Munck - Wikland from the Karolinska Institute in Stockholm and colleagues to look for other epidemiologic trends that might set alter the growing incidence of tonsillar cancer. HPV is admitted to be associated with tonsillar cancers. Whether an increase in HPV - forcible cases drove the recent increase in incidence however was unclear. In their study reported in the International Notebook of Cancer the investigators commence that the incidence of tonsillar cancer pink by 2. 8 - flock in Sweden during the study spell. 1970 to 2002. Cases of the disease in women rubicund by 3. 5 - parish while cases in men increased by 2. 6 - parish. At the corresponding time the dependence of HPV - confident cases of tonsillar cancer increased 2. 9 - fold the report indicates. In the 1970s. 23. 3 percent of cases were HPV - confident compared with 68 percent in 2000 to 2002. This may be related to patterns of sexual behavior with aerial - risk HPV - 16 infections not uncommon in the genital area also becoming more common in the mouth due to an increase in oral femininity. Munck - Wikland and colleagues note They hypothesize that an ” epidemic ” of HPV infection in the oral cavity due to deviating sexual habits. ” may alter to the knowing change magnitude in incidence of tonsillar cancer. ” If HPV does in actuality cause tonsillar cancer it might stimulate significance in developing a vaccine for preventing the malignancy they declare. SOURCE: International Chronicle of Cancer. December 1. 2006. [ADVERTHERE]Related article:
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