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BCC

Increased Incidence Of Skin Cancer Among Asian Living In Singapore

August 24, 2009 by Dr.Deepak 4 Comments

A Journal published at “Journal of the American Academy of dermatology” concludes that Incidence of skin cancer among peoples of singapore has increased from 1968 to 2006 and especially among older chinese.

The incidence rates of skin cancers in Caucasian populations are increasing. There is little information on skin cancer trends in Asians, who have distinctly different skin types. So this articles focus to study skin cancer incidence rates and time trends among the 3 Asian ethnic groups in Singapore.

These data of skin cancer were analyzed from the Singapore Cancer Registry from 1968 to 2006 using the Poisson regression model.

The data reports that there were 4044 reported cases of basal cell carcinoma, 2064 of squamous cell carcinoma, and 415 of melanoma. Overall skin cancer incidence rates increased from 2.9/100,000 in 1968 to 1972 to 8.4/100,000 in 1998 to 2002, declining to 7.4/100,000 in 2003 to 2006. Among older persons (?60 years), basal cell carcinoma rates increased the most, by 18.9/100,000 in Chinese, 6.0/100,000 in Malays, and 4.1/100,000 in Indians from 1968 to 1972 to 2003 to 2006. Squamous cell carcinoma rates among those aged 60 years and older increased by 2.3/100,000 in Chinese and by 1/100,000 in Malays and Indians. Melanoma rates were constant for all 3 races. Skin cancer rates among the fairer-skinned Chinese were approximately 3 times higher than in Malays and Indians, who generally have darker complexions.

Although appropriate population denominators were used, lack of data from 2007 could have affected the results for the last time period, which comprised 4 instead of 5 years.

Adapted from the article provided by Journal of the American Academy of dermatology

Filed Under: News, Skin cancer Tagged With: basal cell carcinoma, BCC, Melanoma, scc, skin cancer in sigapore, Squamous Cell Carcinoma

Successful Treatment Of Basal Cell Carcinoma With Imiquimod Cream

July 23, 2009 by Zenisha 2 Comments

Researcher at North Queensland Centre for Cancer Research,James Cook University,Queensland,Australia found out some good success rate in treating superficial basal cell carcinoma with Imiquimod cream.

Superficial basal cell carcinoma comprise up to 25% of all histological sub-types. They are more likely to occur on younger persons and females and although generally more common on the trunk, also occur frequently on the exposed areas of the head and neck especially in areas of high sun exposure. In the last decade, new treatment options such as topical applications that modify the immune response have been trialed for effectiveness in treating these lesions.
Imiquimod 5% cream has been shown to stimulate the innate and cell mediated immune system. The short-term success of imiquimod 5% cream in randomized controlled trials comparing different treatment regimes and dosing as a treatment for small superficial basal cell carcinoma (BCC) not on the face or neck is in the range of 82% for 5 times per week application.
A high proportion of participants with good response rates to topical treatment (58%–92%) experience local side effects such as itching and burning, less commonly erosion and ulceration, but the proportion of participants ceasing treatment has not been high.

To date one long-term study indicates a treatment success rate of 78%–81% and that initial response is a predictor of long-term outcome. Recurrences tend to occur within the first year after treatment. Future research will compare this preparation to the gold standard treatment for superficial BCC – surgical excision.

Filed Under: Skin cancer Tagged With: basal cell carcinoma, BCC, cancer, Imiquimod, Imiquimod Cream, Skin cancer, Superficial basal cell carcinoma

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