Compare conditions

Put any two — or three — conditions side by side, adult or pediatric, to spot the look-alike differences fast, row by row.

Cervical and Hpv Associated Cancer

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In one line

·High-risk HPV (types 16 and 18) causes nearly all cervical cancer, plus cancers of the throat, anus, vulva, vagina, and penis by hiding in cells for years and breaking normal growth rules.

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Normal physiology

·The cervix is the narrow neck at the bottom of the uterus, connecting it to the vagina. Its lining is made of squamous cells (flat, tile-like cells) on the outside and glandular cells (mucus-making cells) on the inside, and these two cell types meet at a zone called the transformation zone. The cervix constantly sheds old surface cells and replaces them with fresh ones, and your immune system patrols the lining to kill any virus-infected cells before they can cause trouble.

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What goes wrong

·High-risk HPV (especially types 16 and 18) hides inside a cervical cell and slips its DNA into the cell's instruction book. The viral DNA makes two proteins—E6 and E7—that jam the cell's brakes (p53 and RB, the proteins that normally stop runaway division). With the brakes broken, the cell divides non-stop and never dies when it should. At first these rogue cells sit only in the surface layer (dysplasia), but over years they pile up, break through the basement membrane (the thin sheet that holds the lining in place), and invade deeper tissue and blood vessels—that is cancer.

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Hallmark signs

·No symptoms at all (most common with early cervical changes)
·Abnormal Pap test or HPV test result
·Bleeding after sex (post-coital bleeding)
·Bleeding between periods or after menopause
·Unusual vaginal discharge (watery, bloody, or foul-smelling)
·Pelvic pain or pain deep in the pelvis during sex
·Pain or difficulty urinating, or blood in the urine
·Swelling in one or both legs

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Red flags · escalate now

·Heavy vaginal bleeding that does not stop or bleeding after menopause
·Severe pelvic or lower back pain that is new and does not go away
·Swelling in one or both legs, especially if sudden
·Trouble urinating, blood in the urine, or losing control of urine or stool
·Unexplained weight loss or feeling very tired all the time

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Workup

·Pap smear (cervical cytology) every 3 years starting at age 21
·HPV co-testing (HPV DNA test for high-risk types) every 5 years starting at age 30 (or primary HPV test alone every 5 years age 25–65 per new 2020 guidelines)
·Colposcopy with directed biopsy
·Pelvic MRI or CT scan (once biopsy confirms invasive cancer)
·PET-CT scan (for advanced or recurrent disease)
·Serum SCC antigen (squamous cell carcinoma antigen, if tumor is squamous type) or CA-125 (if adenocarcinoma)

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Treatment

·HPV vaccination (Gardasil 9: covers types 16, 18, 31, 33, 45, 52, 58, 6, 11) — routine ages 9–26, shared decision-making ages 27–45
·Cervical cancer screening: Pap smear every 3 years (age 21–29), HPV co-test every 5 years or primary HPV test every 5 years (age 30–65)
·LEEP (loop electrosurgical excision procedure) or cold-knife cone biopsy for CIN2, CIN3, or AIS (adenocarcinoma in situ)
·Radical hysterectomy with pelvic lymphadenectomy (or fertility-sparing radical trachelectomy if tumor < 2 cm, no lymph node involvement, and patient wants to preserve childbearing)
·Concurrent cisplatin-based chemoradiation (external beam radiation to pelvis + brachytherapy + weekly cisplatin) for locally advanced disease (stage IB3, IIA2, IIB–IVA) or node-positive early-stage disease
·Bevacizumab (anti-VEGF antibody) added to chemotherapy (cisplatin + paclitaxel or topotecan) for recurrent, metastatic, or persistent cervical cancer
·Pembrolizumab or dostarlimab (PD-1 checkpoint inhibitors) for recurrent or metastatic cervical cancer that is PD-L1 positive (combined positive score ≥ 1) or mismatch repair deficient

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NCLEX trap

·Any abnormal Pap or positive high-risk HPV test means cervical cells are already changing. If you wait a full year without follow-up, those changes can turn into cancer. The right move: get colposcopy (a closer look at the cervix with a special microscope) and biopsy to see how far along the changes are, then treat based on what you find.
·Low-grade changes (called CIN1 or LSIL – like a small crack in the pavement) often go away on their own because the immune system can clear HPV. Just watch them with repeat testing. High-grade changes (CIN2 or CIN3 – like deep cracks that are about to break through) need treatment right away with LEEP (loop electrical excision procedure – cutting out the bad tissue) or a cone biopsy, because they are one step away from turning into cancer.
·HPV vaccine is recommended for everyone through age 26 (ACIP guideline). It works best before any HPV exposure, but it still protects against types you have not caught yet. For people ages 27 to 45, talk it over with them – the vaccine can still help if they have new partners or never got it before.
·Stage decides treatment. Very early cancer (stage IA1 – just barely broken through) may only need surgery. But once the tumor is bigger or has spread to nearby tissue (stage IB2 and higher), you need chemoradiation – chemotherapy (usually cisplatin) plus radiation beamed at the pelvis – to shrink the tumor and kill any cancer cells that have started traveling. Surgery alone is not enough for bigger cancers.
·After you remove CIN2 or CIN3, you have to keep checking for at least 25 years (per ASCCP guidelines). HPV can hide and come back, and new high-risk HPV infections can happen. Do co-testing (Pap plus HPV test) at 1 year, then every 3 years if normal. If you stop watching, you will miss recurrence or new disease.
·Persistent high-risk HPV (especially types 16 and 18) can cause cancer anywhere it lives. That includes the back of the throat (oropharynx), the anus, the vulva, the vagina, and the penis. Screen people at risk (for example, anal Pap for men who have sex with men or people with HIV) and remember that HPV vaccine protects against all these cancers too.

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