Gynaecology Flashcards
Cervical cancer screening
2 years after first sexual intercourse or 25–75 years.
HPV test + cell cytology
Negative Result: Every five years.
Unsatisfactory: repeat 6-12 weeks
Positive NON 16-18: Repeat in 12 month. Again positive: Colposcopy.
Positive 16-18: Colposcopy.
Low grade: Repeat in 12 month. Again positive: Colposcopy.
High grade: Colposcopy
Breast cancer: Risk factors
Risk factors:
- Individuals with age of onset of cancer less than 50 years
- Individuals with ovarian cancer
*Increasing age is a major risk factor.
*Personal history of atypical hyperplasia or lobular carcinoma in situ.
*Strong family history of the disease or mutation in a breast cancer predisposition gene.
*Previous radiotherapy.
*High bone mass or obesity.
-Jewish ancestry
- Breast cancer in a male relative
Breast cancer: Screening Low risk
Low risk: Family member diagnosed at 50 years or over.
Screening: mammograms
every two years for women aged 50–74 years
Breast cancer: Screening Moderate risk
Moderate risk:
One 1st degree diagnosed before 50 years
or
Two 1st degree in the same family side at any age
or
Two 2nd degree in the same family side diagnosed before 50 years.
Screening: Annual mammogram for women age 40 years
Breast cancer: Screening High risk
High risk:
Member of the family in prescence of BRCA 1-2.
or
Two 1st or 2nd degree on the same family side diagnosed with BC or ovarian Ca PLUS:
*Additional relatives with BC or OC.
*BC diagnosed before 40 years.
*Bilateral BC.
*Breast & Ovarian Ca in the same woman.
*BC in a male relative.
*Ashkenazi jewish ancestry.
or
One 1st or 2nd degree with BC < 45 PLUS One 1st or 2nd degree with sarcoma < 45
Screening:
Annual mammogram for women age 40 years
Referral to a cancer clinic for risk assessment, possible genetic testing and management plan.
List of all enzyme inducers
- Phenobarbital
- Primidone
- Phenytoin
- Carbamazepine
- Oxcarbazepine
- Topiramate
-ST John’s Wort
Non-enzyme inducing anti epileptics
- lamotrigine
- Levetiracetam
NOTE: Increase dose in case of OCP as they increase metabolism
When does ovulation occur?
14th day (midcycle)
- LH surge
- next 24 h (12-36)
Ovulation occurring investigation
plasma oestradiol peaks
- ovulation to occur in 36-48 hrs
Cervical mucus alteration immediately before ovulation
-more abundant/maximal
- clear and slippery
NOTE: These are less accurate ways to predict ovulation
Investigation of choice to predict ovulation has occurred
Serum progesterone surge at day 21 (luteal phase)
- level > 20nmol/L
Ovulation pain is also known as
Mittelschmerz syndrome
Ovulation inducing drugs
Clomiphene
Primary Dysmenorrhoea
- Pain occurs before menses
- Initial treatments NSAID’s
- Trial of OCP’s for 2 months upon px request
Secondary dysmenorrhoea
- Treat underlying problem
DRAFT
Difference between biphasic and triphasic contraceptive pills
biphasic: same amount of oestrogen but level of progestin is increased halfway through
triphasic: 3 different doses of oestrogen and progesterone every week for 3 weeks along with sugar pills
COCP doses
- low dose: 20mcg of oestrogen.
- regular dose: 30-35mcg oestrogen.
- high dose: 50mcg of oestrogen.
High dose COCP indications
- Break through bleeding on low dose pills.
- When low dose pill fails.
- Concomitant use of enzyme inducing drugs
- Control of menorrhagia.
Approach to PMS
1st line: Conservative treatment for 3 menstrual cycles (yoga)
2nd line: COCP, SSRI
3rd: GNRH antagonists due tenderness (danazol) careful because this drug can induce menopause, main complaint of fluid retention spironolactone, main complaint of dysmenorrhoea (mefenamic acid)
BEST method: endometrial ablation, hysterectomy?
DRAFT
OCP absolute contraindications
- Pregnancy.
- < 6 weeks post-partum.
- Thromboembolic disease.
- CVA.
- CAD like known IHD
- Migraine with aura.
- Age >35 years and smoking > 15 cigarettes per day.
- Oestrogen dependent tumours.
- Active liver disease.
- Polycythaemia.
- Undiagnosed vaginal bleeding.
OCP relative contraindications
- Age > 35-45
- BMI > 35
- Smoker >15 cigarettes per day
- Breast feeding
- HT ( >160/ 100)
- DM
- Hyperlipidaemia.
- Depression
- SLE
- 4 weeks before and 2weeks after surgery
Monthly COCP contents
28 pill pack:
* 21 hormonal pills and
*7 sugar pills.
COCP administration
- Start on 1st day of menstrual period, continue till 21 days and then 7 sugar pills.
- Take pill on the same time every day, 1pill /day.
- On starting sugar pills, the lady gets periods.
- Protection starts from 1st day of using pills if taken from the 1st day of periods.
- Or if at any other time of the cycle, alternate methods of contraception should be used
for 7 days and pregnancy needs to be ruled out.
NOTE: a 24/4 pill pack is also available.
COCP advantages
- Decreased menorrhagia, dysmenorrhea and pre-menstrual syndrome. (Periods become
shorter, lighter and regular). - Decreased iron deficiency anaemia.
- Decreased incidence of functional ovarian cysts, PID, acne, thyroid disorders