Cervical cancer (NOT CORE) Flashcards
How quickly can cervical cnacer progress
Often slow growing - 10 to 12 years from CIN/adenocarcinoma in situ to invasive cancer
10% fast progressing -> less than a year
What is the main cause of cervical cancer
HPV
Esp 16,18,31, 33, 45
16 and 18 highest malignancy risk
CIN staging
CIN 1: involvement of lower 1/3 of epithelium
CIN 2: involvement of lower 2/3 of epithelium
CIN 3: involvement of all layers of epithelium
Types of cervical cancer
Mostly squamous cell, some adenocarcinoma (more common in under 40s)
Risk factors for cervical cancer
Increasing age
High number sexual parnters
Early age intercourse - before vaccine
Low SE status
Non barrier contraception
Cigarette smoking
Prolonged use COCP
Muliparity and immunocompromised state
Exposure to DES in utero
Cervical cancer symptoms
Vaginal bleeding
Unusual discharge
Dypareunia
Postocital bleeding
Prognostic factors
HIV stats
C-myc oncogene
Number of cells in S phase
HPV-18 DNA