Blanching of skin or mucous membranes after application of 3–5% acetic acid solution, a sign of increased cellular protein and increased nuclear density; used particularly on genital skin and mucous membranes, including the uterine cervix, to identify zones of squamous cell change for biopsy and condyloma acuminatum for treatment. SYN: visual inspection with acetic acid. [acetic acid + whitening]

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ace·to·whit·en·ing (ə-se″to-hwiґtən-ing) the process by which certain subclinical lesions of the skin or mucous membranes, especially warts caused by human papillomavirus, become temporarily colorless when acetic acid is applied topically.

Medical dictionary. 2011.

Look at other dictionaries:

  • inspection — visual i. with acetic acid SYN: acetowhitening, cervicoscopy. * * * in·spec·tion in spek shən n visual observation of the body in the course of a medical examination compare PALPATION (2) in·spect in spekt …   Medical dictionary

  • acetowhite — ace·to·white (ə seґto hwīt) [aceto + white] having a white coloration due to acetowhitening …   Medical dictionary

  • vulval intraepithelial neoplasia — vulvar intraepithelial neoplasia a precancerous lesion of the vulva, having a squamous cell origin. Various degrees of hyperplasia are distinguished according to the extent of epithelium involved; low grade lesions show acetowhitening, whereas… …   Medical dictionary

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