Archive for June, 2009

Jun 16 2009

The Male Pap Smear

Filed under Research

The Male Pap Smear

In a study published in The New England Journal of Medicine, gay and bisexual men were found to have a significantly higher risk for developing anal cancer, over thirty-five times greater than the general population. HIV-positive men were estimated to be eighty times more likely to get it. Although anal cancer accounts for less than 5 percent of all digestive and intestinal tract cancers, the rates have increased 160 percent over a thirty- year period. Gay African-American men have the sharpest increase and the lowest survival rates. Interestingly, anal cancer in gay men is as common as cervical cancer was in women before the use of the Pap smear, the test that screens for precancerous lesions on the cervix. Both types of cancer are caused by the human papillomavirus (HPV), which also causes anal and genital warts. HPV is one of the most common STDs in the world. Fortunately, anal cancer is highly preventable and treatable if caught in time.

There are more then one hundred different subtypes of HPV, and some are the source of common warts as seen on the hands and feet. HPV affects approximately 65 percent of HIV-negative gay men, and nearly 95 percent of HIV-positive gay men carry HPV in their anal canals. Most do not even know they have it. Subtypes 6 and 11 cause 90 percent of genital warts, while subtypes 16 and 18 are far more dangerous because of their precancerous potential.

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Jun 04 2009

Not all penis bumps are warts (part II)

Filed under Penile Warts, Photos

Not all penis bumps are warts (part II)

In a previous post, we discussed penile pearly papules.

Lichen planus can also cause bumps on the penis.  This condition is an inflammatory condition - NOT an STD.

Classical lichen planus is characterized by shiny, flat-topped, firm papules (bumps) varying from pin point size (‘guttate’) to larger than a centimetre. They are a purple colour and often are crossed by fine white lines (called ‘Wickham’s striae’). They may be close together or widespread, or grouped in lines (linear lichen planus) or rings (annular lichen planus). Linear lichen planus can be the result of scratching or injuring the skin. Although sometimes there are no symptoms, it is often very itchy.

Lichen planus may affect any area, but is most often seen on the front of the wrists, lower back, and ankles.  They are also commonly found on the penis.

Sometimes it may be necessary to take a skin biopsy to confirm the diagnosis.  One of the best treatments for lichen planus on the penis are injections with cortisone.

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