Cervical Cancer Flashcards
incidence of cervical cancer
2500 cases per year in UK
1200 deaths
10th commonest cancer in women in Scotland
Good cure rate if detected early
BUT major cause of death in in women in low income countries
what are risk factors for cervical cancer
Peak age 45-55 years
HPV related (16 & 18)
Multiple sexual partners
Early age at first intercourse
Older age of partner
Cigarette smoking
40 year old P3 attends GP with heavy irregular periods.
GP notices she has not had a cervical screening test since 2005
She says she does not have post coital bleeding
She does not have a regular partner and because of the bleeding she does not have sex
She smokes 25/day
what should her gp do next
Refer as urgent suspected cancer to Gynaecology?
what are symptoms of cervical cancer
Abnormal vaginal bleeding
Post coital bleeding
Intermenstrual bleeding/PMB
Discharge
(Pain)
how is cervical cancer diagnosed
Clinical
Screen detected
Biopsy
Remember screening aims to detect pre-cancerous disease NOT cancer
what is the histology of cervical cancer
Tumour cells from epithelium invade into underlying stroma
Majority squamous carcinoma (80%)
Adenocarcinoma (endocervical) rising in relative incidence
how is stage 1a cancer defined
Invasive cancer identified only microscopically.
IA1 ≤ 3 mm depth and ≤7 mm diam (=microinvasive)
IA2: ≤ 5 mm x7 mm
how is stage 1b cancer identified
clinical tumours confined to the cervix
how is local spread of cervical cancer staged
stage 2: Vagina (upper 2/3),
Stage 3: lower vagina, pelvis,
Stage 4 bladder, rectum
how is cervical cancer metastases staged
Lymphatic – pelvic nodes
Blood – liver, lungs, bone
how is staging for cervical cancer done
PET-CT
MRI
how is cervical cancer treated
Stage 1a1: Type 3 Excision of the cervical TZ or hysterectomy
Stage 1b - 11a:
Radical hysterectomy or
chemo-radiotherapy
Stage 11b - 1V:
Chemo-Radiotherapy
what is a radical hysterectomy
Exploration of pelvic and para-aortic space
Removal of:
Uterus, cervix, upper vagina
Parametria
Pelvic nodes
Ovaries conserved in pre-menopausal women
what is the treatment for cervical cancer
Radiotherapy- External Beam
Chemotherapy- once weekly during radiotherapy
Brachytherapy - Caesium Insertion (24 hours)