19 Tumours of the Reproductive Tract Flashcards
How common are vulval cancers?
Uncommon (3% all female cancers)
Tend to arise in older patients
What types of vulval cancer are there? (4)
What clincal feastures might you get for a vulval cancer?
Lumps
Ulceration
Skin changes
What is shown in the following histology?
What is vulval intraepithelial neoplasia? (VIN)
In situ precursor of vulval squamous cell carcinoma
Atypical cells- no invasion through basement membrane
May or may not develop into squamous cell carcinoma
Are vulval squamous cell carcinomas (and VIN) linked to HPV?
How does vulval cancer spread?
Fill in the missing labels for a pre-menarchal cervix:
What happens to the cells around the external os as a woman enter reproductive age?
Give 2 high risk subtypes for HPV (human papilloma virus) and 2 low risk subtypes:
How does HPV (16 and 17) increase someones risk of neoplasia? (think viral proteins and tumour supressor genes)
What is cervical intraepithelial neoplasia? (analogous to VIN)
What are the risk factors for cervical intraepithelial neoplasia and cervical carcinoma?
- HPV exposure
- Eg early first age sexual intercourse, multiple partners
- Early first pregnancy
- Multile births
- Smoking
- Low socioeconomic status
- Immunosuppression
How is CIN staged?
How is CIN treated? (screening- smear)
CIN 1- follow up with cervical smear- 1 year
CIN 2 & 3- treatment- large loop excision of transformation zone
How is cervical cancer screened for?
Can HPV be vaccinated against?
Yes gardasil- age 12-13
(protects from cervical, vulval, oral, anal cancers)
What are the 2 types of invasive cell carcinoma?
How might an invasive cell carcinoma present?
- Bleeding:
- post coital
- inter menstrual
- post menopausal
- Mass
- (seen on screening)
How does invasive cervical cancer spread?
Pelvic side wall –> rectum / bladder
How is invasive cervical cancer treated if advanced?