DR. F. COUPEZ,CNRI / SCIENCE PHOTO LIBRARY DR. F. COUPEZ,CNRI / SCIENCE PHOTO LIBRARY
Cervical thickening. Light micrograph of a section through the thickened mucous membrane (dark purple, right) of a cervix (neck of the womb). Normal epithelium is at left. This condition, known as leukoplakia, occurs in 1% of elderly women. Its cause is unknown, and it does not usually result in any symptoms. It can become malignant (cancerous), at which point the patches are removed under a local anaesthetic.
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