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Dermatology (Expert Forum)
acetic acid test
Answered by
Alan Rockoff, MD - dermatology, Child Skin Problems
The Rockoff Dermatology Center
Brookline - MA
This forum is for questions regarding Dermatology issues, such as: skin rashes, acne, birthmarks, skin infections, rosacea, and general skin care.
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acetic acid test
by boston123, May 28, 2005 12:00AM
I recently noticed an oval 3-4 mm. slightly raised lesion with an uneven surface on the shaft of my penis. My partner denies a history of STD of any kind. My internist examined it and thinks it is a seb k. but I am concerned about HPV. I soaked it with 5% vinegar for 10 minutes and it turned very slightly white. Soaking it with plain water for the same amount of time did not result in the same slight color change. How white does a wart have to be to be considered positive?
Thanks.
Thanks.
Doctor's Answer
by Alan Rockoff, MD, May 29, 2005 12:00AM
, May 29, 2005 12:00AM
Vinegar is an unreliable test, as it often turns white things that aren't warts. On the other hand, when people get what look like SK's (seborrheic keratoses) on the penis, they may indeed be warts. If so, you may have contracted them years ago from a previous partner. Either way, you should ask to have a dermatologist of STD specialist check you out.
Best.
Dr. Rockoff
Best.
Dr. Rockoff
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