Squamous cell carcinoma (SCC) of the cervix is the most common histological subtype of cervical cancer and accounts for 80-90% of cases.
Most cervical squamous cell carcinomas grow at the squamocolumnar junction (SCJ). In younger women, the SCJ is located outside the external uterine os, and the tumour tends to grow outward (exophytic growth pattern). In elderly patients, the SCJ is located within the cervical canal and the cancer tends to grow inward along the cervical canal (endophytic growth pattern).
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