Definition of «precursor lesions»

The phrase "precursor lesions" refers to abnormal changes or abnormalities in cells or tissues that have the potential to develop into a more serious condition, such as cancer. It is like an early warning sign or a pre-stage before a disease fully develops.

Sentences with «precursor lesions»

If a woman is positive for HPV genotypes 16 or 18, which convey the greatest risk of developing cervical cancer precursor lesions in the next three years, she should be referred for a colposcopy (an illuminated, magnified examination of the cervix and other genital tissue for premalignant or malignant lesions). (sciencedaily.com)
There is no need to screen more frequently than every three years, since the cumulative occurrence of a cervical cancer precursor lesion called a CIN3 + during the three years after a negative HPV test was less than 1 percent. (sciencedaily.com)
In 1983, the scientists identified HPV 16 in precursor lesions of genital cancer, and in 1985, they revealed the genetic organization of HPV DNA in cervical cancer cells and the active transcription of HPV in the same kind of cells. (warrenalpert.org)
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