Gynae Peer Teaching Flashcards
When is the first day of the menstrual cycle?
The first day of menstruation
What happens to the endometrium during menstruation?
The spiral arteries vasoconstrict
Necrosis/shedding of the endometrium
Contraction of the myometrium (causing pain)
What phase is between day 5-13?
Proliferative phase
What happens in the proliferative phase (day 5-13)
FSH rises and stimulated the follicles to mature
Follicles produce estradiol (which inhibits FSH) and the endometrium reforms
There is an LH surge
What phase is between 14 and 28 days?
Luteal phase
What happens in the luteal phase (14-28#0
The follicle becomes the corpus luteum which produces progesterone
What changes occur in the endometrium during the luteal phase?
stromal cells enlarge
glands swell
Epithelial cell vacuolation
What happens at the end of the luteal phase if pregnancy does not occur?
Corpus luteum begins to fail - causing the progesterone and estrogen levels to fall
Endometrium begins to break down
What is the age of normal menarche?
11-16 years
When is normal menopause?
Over 45 years
How long is the normal menstrual period?
Less than 8 days
What causes menopause?
Loss of ovarian follicular activity
When is perimenopause?
Starting with the first features of menopause and ending 12 months after the last period
When is premature menopause?
Before 40
Name 3 conditions which early menopause increases the risk of occurring.
Osteoporosis
Cardivascular disease
Dementia
What are the urogenital problems associated with menopause?
Vaginal atrophy
Urinary problems e.g. infection, incontinence
Dyspareunia
List 2 investigations for menopause and when they should be undertaken:
FSH between days 2-5 and is ELEVATED in menopause
Anti-mullerian hormone any day
Which cancer risk is increased with combined HRT and oestrogen only HRT?
Combined = breast cancer
Oestrogen onle = endometrial
Name 3 risks of HRT
VTE
CVS disease
gall bladder disease
(endometrial and breast cancer)
Give 2 causes of premature menopause
chemo and radiotherapy
hysterectomy
What would the blood tests reveal in someone going through premature menopause?
Low Oestrogen (<20) and high FSH >40IU
Treatment for premature menopause:
HRT
Fertility
Androgen replacement e.g. testosterone gel
Menorrhagia is….
Blood loss >80mL or blood loss that interferes with a woman’s daily quality of life
How to know if menstrual bleeding is more than 80mL?
Ask about flooding and passage of clots
Investigations for menorrhagia
Transvaginal ultrasound - assess endometrial thickness and exclude fibroid/ovarian mass
When is an endometrial biopsy indicated for women with menorrhagia?
- endometrial thickness >10mm in premenopausal women or >4mm in postmenopausal women
- suspected polyp
- intermenstrual bleeding
What is the initial investigation of menorrhagia?
Pelvic bimanual examination
Menstrual charting
Anaemia
TFT, coagulopathies excluded
What is the first line management of menorrhagia?
IUS
What is the management of menorrhagia in women trying to conceive?
Tranexamic acid or NSAIDs
Name 2 surgical managements for menorrhagia? (George had 1)
Endometrial ablation
Uterine artery embolisation
What does tranexamic acid do?
It is an anti fibrinolytic that Inhibits the conversion of plasminogen to plasmin may reduce blood loss by 50%
If your periods have not started by age 16 this is called…
Primary amenorrhoea
If your periods have stopped for more than 6 months this is called…
Secondary amenorrhoea
If your menstrual cycle is more than 35 days for 6 months this is called…
Oligomenorrhoea
Name 4 investigations in amenorrhoea
Pregnancy test
FSH and LH
Prolactin (TWICE)
Total testosterone and sex-hormone binding globulin levels
If you suspect PCOS what is the investigation?
Pelvic ultrasound
What is secondary dysmenorrhoea?
Pain BEFORE onset of menstruation
Name some fatures associated with secondary dysmenorrhoea
Depp dyspareunia
Heavy and irregular menstrual flow
What may cause secondary dysmenorrhoea?
fibroids, endometriosis, ovarian tumours
Investigations for secondary dysmenorrhoea?
Pelvic ultrasound
examination
Swabs if STI risk
When do you have anovulatary ccycles?
During the early and late reproductive years
List 3 non malignant causes of irregular menstrual bleeding.
Fibroids
Uterine polyps
Adenomyosis
How do cervical pathologies commonly present?
Post coital bleeding
Name the ligaments which support the uterus at the cervix
uterosacral ligaments and cardinal ligaments
What is the fold of peritoneum that covers the uterus, fallopian tubes and ovaries called?
The broad ligament
Name the 3 parts of the broad ligmanent
Mesovarium
Mesosalpinx
Mesometrium
Which arteries run through the broad ligament?
Ovarian and uterine arteries
Which ligaments run through the broad ligament
Round ligament of the uterus
ovarian ligament
suspensory ligament of uterus
Name the branches from the internal iliac artery to the endometrium (UARBS)
internal iliac artery > uterine artery > arcuate artery > radial artery > basal artery > spinal artery
What is a fibroid?
Benign tumour of the myometrium
Describe the protective factors for fibroids.
Anything that stops periods - pregnancy, late puberty and taking the pill.
More pregnancies = less risk
What do you see on histology of a fibroid?
Wholled appearance
What is the difference between a subserosal fibroid and a submucosal fibroid?
Subserosal fibroids extend into the peritoneal cavity, submucosal fibroids extend into the uterus
Subserosal fibroids may cause pressure symptoms suc as…
urinary frequency
hydronephrosis
infertility
What are the consequences of fibroids during pregnancy?
Malpresentation, transverse lie, PPH, obstructed labour
How would you investigate a fibroid?
Bimanual pelvic exam
Pelvic ultrasound
What are some medical treatments of uterine fibroids?
Tranexamic acid
Ulipristal acetate
Mifepristone
Whaat is adenomyosis?
Presence of endometrium in the myometrium
What would you find on examination of someone with adenomyosis?
A large, tender uterus
How is adenomyosis best diagnosed? When is it usually diagnosed?
Best: MRI
Usually: diagnosed on histology post hysterectomy
Name 3 medical and 1 surgical treatment for adenomyosis.
- IUS
- COCP
- GnRH analogue (zoladex)
- Hysterectomy
How is a polyp removed?
avulsion
What causes congenital uterine abnormalities?
Failure of fusion of the Mullerian ducts at 9 weeks gestation
Congenital uterine abnormalities cause problems with pregnancy such as….
recurrent miscarriage, transverse lie, malpresentation, retained placenta
What is the most common endometrial cancer?
Adenocarcinoma
What are the risk factors for endometrial cancer?
Nulliparity, late menopause, unopposed oestrogen therapy and tamoxifen therapy
What is the most common symptom of endometrial cancer? And in pre-menopausal women?
post-menopausal bleeding
intermenstrual bleeding
What investigation must be performed in suspected endometrial cancer?
TRANSVAGINAL pelvic ultrasound to measure the thickness of the endometrium
What are the indications for an endometrial biopsy?
Endometrium >4mm thick in post menopausal women
Endometrium >10mm thick in premenopausal women
Multiple episodes of post menopausal bleeding
Give 2 differentials for PMB
Atrophic vaginitis
Cervical carcinoma
What is a cervical ectropion?
Columnar cells visible as redness around the Os due to the cervix everting
What is a risk factor for an ectropion?
Oral contraceptive pill and pregnancy
What is the main symptom of an ectropion?
Post coital bleed
What is the premalignant condition of the cervix called?
Cervical intraepithelial Neoplasia
Which HPV strains carry the highest risk of cervical cancer/intraepithelial neoplasia?
16, 18
What is the treatment for cervical intraepithelial neoplasia?
Large loop excision of the transition zone
What is the treatment of CIN if the abnormal area extends to the cervical canal?
Cone biopsy
What is the most common kind of cervical cancer?
Squamous cell carcinoma
What are the symptoms of cercival cancer?
Post coital bleeding, intermenstrual bleeding, abnormal discharge
What is the treatment for the earliest stage cervical cancer?
Cone biopsy
What is the treatment for cervical cancer stage 1aii-2a
Wetheim’s hysterectomy or chemo-radiotherapy
Check for lymph node involvement
What is the treatment for cervical cancer 2b+?
Palliative chemo-radiotherapy
What is wetheim’s hysterectomy?
Total hysterectomy includin upper third of vagina, ovaries, fallopian tubes and cervix
slide 60
beautiful
What hormone triggers ovulation?
LH - Lutenising hormone
What is the triad of PCOS?
Polycystic ovary appearance on ultrasound
hirsuitism
irregular periods/oligomenorrhoea
What is “polycystic ovary” on ultrasound?
multiple small follicles on an enlarged ovary
What is clinical and biochemical hirsutism?
Clinical = acne/excess body hair Biochemical = raised testosterone levels
What would you see in the blood of someone with PCOS?
Raised LH, raised insulin and raised androgens
What would the TSH, prolactin and FSH look like in PCOS?
Normal
How to treat PCOS?
weightloss advice
Combined pill
How would you treat someone with PCOS if they wanted to conceive?
clomiphene
What is clomiphene?
Infertility treatment for women who do not ovulate - it is an ovulatory stimulant
Which cancer is increased in women with PCOS?
endometrial cancer
What is a chocolate cyst?
endometrioma caused by endometriosis: accumulation of blood in the ovary forming a dark brown chocolate coloured cyst
Urinary frequency and abdominal pain and distension could be…
An ovarian cyst pressing on the bladder
What is the first line investigation for suspected ovarian rupture/torsion?
Pelvic ultrasound
What must you rule out if someone comes with a suspected ovarian cyst/torsion/rupture? And what investigations would rule them out?
Cancer - CA125
Ectopic pregnancy - pregnancy test
Urinalysis
Who gets ovarian cancer?
Women over 50, most aged 80-84
Name 3 genes associated with ovarian cancer?
HNPCC, BRCA 1 and 2
What, broadly, increases your risk of ovarian cancer? (Give examples)
More ovulation
- Nulliparity
- early menarche and late menopause
Name 2 cancers the pill is protective for
ovarian and endometrial cancer
Females with IBS who are over 50 should all have….
CA125 - Ovarian cancer presents like IBS:
- bloating
- loss of appetite
- urinary frequency/urgency
How are women with a family history of ovarian cancer managed?
Yearly ultrasounds and CA125
how is the Risk of Malignancy Index (RMI) calculated in ovarian cancer?
menopausal status (1-3) x ultrasound features x serum ca 125
What are low, medium and high RMI scores?
< 25 = low
25-250 = medium
>250 = high
What is the premalignant condition in vulval cancer?
Vulval Intraepithelial Neoplasia
Give 3 risk factors for vulval cancer
HPV
Smoking
immunosuppression
Where are 2 common sites for endometriosis?
On/behind ovaries
Uterosacral ligament
What is “frozen pelvis”?
When endometriosis causes organs in the pelvis to adhese
What is the gold standard investigation of endometriosis?
Laparoscopy and biopsy
Risk factors for prolapse
vaginal delivery
menopause
congenital factors
What is the proper name for thrush?
Candida albicans
What can cause candida albicans?
Diabetes
Washing with soap
Antibiotics
Pregnancy
What is the treatment for thrush?
Fluclonazole
What are the symptoms of thrush?
Itching
cottage cheese discharge
superficial dyspareunia
What are the symptoms of BV?
Grey-white discharge
fish smelling discharge
Treatment for BV?
Metronidazole or clindamycin cream
Risk factors for STIs
under 25
prostitute
multiple parnters
no condom use
What is the treatment of chlamydia?
Azithromycin
What is the treatment for gonorrhoea?
IM ceftriaxone
What are the 2 ways of getting pelvic inflammatory disease?
Ascending infection from the endocervical region OR descending infection from the abdomen
Pelvic pain, deep dyspareunia, irregular bleeding and discharge are symptoms of what?
Pelvic inflammatory disease
List 3 investigations for PID
- Endocervical swabs for chlamydia and gonorrhoea
- Blood test raised inflammatory markers
- Ultrasound to exclude abscess/cyst
What antibiotics are used to treat PID?
Ceftriaxone and doxycycline
Complications of PID?
Ectopic pregnancy, infertility, chronic pelvic pain
What do you visualise on ultrasound and laproscopy of PID?
fluid collections on ultrasound, adhesions on laproscopy