lip cancer


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lip cancer

A squamous cell carcinoma of the lower lip usually seen in men or smokers.
See also: cancer
References in periodicals archive ?
The diuretics hydrochlorothiazide and hydrochlorothiazide-triamterene, as well as the calcium channel blocker nifedipine, were associated with at least a doubling in the risk for lip cancer in a study involving 23,616 hypertensive non-Hispanic white adults.
Friedman and his colleagues used prescription data from the Kaiser Permanente pharmacy database and information from its cancer registry to perform a casecontrol study examining the relationship between the four classes of antihypertensive medications and lip cancer.
There were few cases of lip cancer among nonwhite patients, so the analysis was restricted to white patients.
The study population comprised 712 patients with lip cancer and 22,904 agematched control patients.
Physicians prescribing photosensitizing drugs should ascertain whether patients are at high risk of lip cancer by virtue of fair skin and long-term sun exposure and discuss lip protection with them.
The risk of lip cancer appeared to increase with increasing duration of use of these drugs and was not explained by a history of cigarette smoking, also a known risk factor for lip cancer, according to investigators.
They identified 712 patients with lip cancer and 22,904 controls in the susceptible group of non-Hispanic whites.
Also, researchers were not able to adjust for sun exposure, the most important lip cancer risk factor, along with relative lack of pigmentation of the lips.
Twenty-five percent of the participants knew excessive sunlight was a risk factor for lip cancer.
Major risk factors for oral cancer include alcohol and tobacco use, as well as sun exposure for lip cancer.
People forget that extended exposure to the sun could be a factor in lip cancer," Brown said.