Z2F Gynaecology Flashcards
Primary vs secondary amenorrhoea
Primary have never developed periods
3 causes of primary amenorrhoea
Imperformate hymen Abnormal gonads (hypergonadotrophic hypogonadism) Abnormal hypothalamus or P gland (hypogonadotrophic hypogonadism)
Periods should start by
13 if no signs of puberty
15 if signs of puberty
Order of puberty development in girls
Breasts -> pubic hair -> periods
What does kallman syndrome cause
Hypogonadotrophic hypogonadism (lack of FSH and LH)
2 key symptoms of kallman syndrome
Failure to start puberty
Absent sense of smell
Hypogonadotrophic hypogonadism effect on hormones
Low FSH and low LH
Hypergonadotrophic hypogonadism hormone levels
High FSH and LH
Low oestrogen
3 causes of hypergonadotrophic hypogonadism
Injury to gonads (cancer, mumps, torsion)
Congenital aplasia
Turners syndrom (XO)
Does turners syndrome cause Hypo or hypergonadotrophic hypogonadism
Hypergonadotrophic hypogonadism
Hypothalamus still making gnrh and p making FSH and LH
No oestrogen negative feedback
Androgen insensitivity syndrome presentation and cause
Unable to respond to androgens (testosterone)
Female phenotype with no female internal organs but vagina
Cyclical abdominal pain but no menorrhagia: dx
Structual issues
Inperformate hymen/ FGM/ transverse vaginal septum
Antibody test on girls aged 15 without periods
Anti TTG (coeliacs)
Treatment for kallman syndrome
Pulsitile GnRH +/- COOP
High isolated FSH suggests
Primary ovarian failure
High LH isolated suggests
PCOS
How to reduce risk of endometrial cancer in women with PCOS
Induce withdrawal bleed every 3-4 months
Either COOP use or medroxyprogesterone (DEPO as a pill) for 14 days
Other than ca, amenorrhoea associated with low oestrogen is a risk for
Osteoporosis
Treatment for PMS
Lifestyle
COOP - Yasmin/ contains drospierone
SSRI
CBT
Treatment for physical symptoms of PMS after COOP, lifestyle and SSRI tried
Spirolactone
Average menstrual blood loss
40mls
Management of painful heavy periods in women who want to conceive vs non painful
Mefenamic acid (if pain) TXA (if no pain)
Order of management of heavy periods in women who do not want to conceive
Mirena
COOP
Cyclical progesterones
Fibroids are sensitive to which hormone
Oestrogen (shrink after menopause)
4 types of fibroids
Submucosal - just below lining of uterus
Intramural - in myometrium (distort uterus)
Subsersosal - outer layer of uterus (grow into abdo)
Pedunculated - on a stalk
Most common presentation of fibroids
Heavy menstrual bleeding
Fibroids on examination present as
NON tender mass on PV/ abdominal exam
Management of fibroids depends on ??
Size (less than 3cm)
Fibroid less than 3cm the management is same as ??
same as heavy menstural bleeding
Mirena
TXA/ NSAIDS
COOP
Cyclical progesterones
Fibroids greater than 3cm management
refer to gynaecologist
Same as less than 3cm medically
Surgical - ablation, hysterectomy, uterine artery embolisation, myomectomy etc
Only known treatment to improve fertility in women with fibroids
Myomectomy
Myomectomy is used to treat
Fibroids
IN WOMEN WHO CANNOT CONCIEVE - only known treatment
Pregnant women with hx of fibroids presents with abdominal pain and low grade fever :dx
Red degeneration of fibroid (ischaemia due to lack of blood supply)
Red degeneration of fibroids risk factors
Greater than 5mm
2nd and 3rd trimester
Red degeneration of fibroids presentation
Severe abdo pain, low grade fever, tachycardia, vomiting
Chocolate cysts
Endometrial tissue in the ovaries
Adenomyosis
Endometrial tissue in myometrium
Gold standard endometriosis diagnosis
Laparoscopy
Management of endometriosis
NSAIDS COOP (back to back) trial of other hormonal contraception Adhesionlysis Induce menopause like state - GnRH analogues
Adenomyosis is more common in which women
Multiparous and late reproductive years
Adenomyosis symptoms triad:
dysmenorrhoea, menorrhagia, dyspareunia
Adenomyosis on examination
Tender and enlarged uterus
First line investigation for adenomyosis
TVUSS
Treatment for adenomyosis?
Same as menorrhagia
Mirena
TXA/ NSAIDS
COOP
Cyclical progesterones
Effects of adenomyosis on pregnancy
Bad things (same for endometriosis) Infertility, miscarriage, PPROM, preterm labour, PPH
Menopause definition
12 months of amenorrhoea needed for dx but the menopause is the day of the last period
Premature menopause date
Before 40 years
Menopause hormone levels
Low oestrogen and progesterone
High FSH and LH
Low oestrogen and progesteron
High FSH and LH
Indicates what
Menopause
What age do women need to use contraception until
Two years without a period if under 50
One year without a period if over 50
Nice first line test for suspected menopause in under 45s
FSH blood test
COOP UKMEC after 40
UKMEC 2
Contraception that is not as good to use after 40 years
COOP - only UKMEC 2 age
(DEPO cause osteoporosis) shouldn’t use after 45
Max age for DEPO
45 - osteoporosis
Two key side effects of DEPO and unique contraindication
Weight gain, osteoporosis, (delay to fertility)
Over 45s
Average length of perimenopausal symptoms
2-5 years
Unique treatment for reduced libido at menopause
Testosterone cream
Unique treatment for vaginal dryness and atrophy after menopause
Vaginal oestrogen
Premature ovarian insufficiency diagnosis is made by:
Under 40, low oestrogen symptoms, high FSH on two occasions with a 4 week gap
Premature ovarian insufficiency treatment
HRT - important to reduce risk of CVD and OP. Increased risk of breast ca and VTE if used in under 50s but lower BP
OR
COOP - contraception is still possible in POI
Risks of HRT in under 50s in comparison to over 50s
Increased risk of breast ca and VTE if used in under 50s
Which type of HRT: no uterus
Oestrogen only
Which type of HRT: still having periods
Cyclical progesterone and regular break through bleeds
Until 12 months without a period
Which type of HRT: women with a uterus and 12 months without a bleed
Combined
Non HRT, menopausal drug treatment for vasomotor symptoms
Clonidine
CANNOT withdraw suddenly
Key benefits of HRT
Improved QOL
Reduced OP and fracture risk
What type of drug is clonidine
Alpha 2 adrengenic and imidazoline receptor agonist
Clonidine indications
Vasomotor symtom control
?PCOS
HTN
If women wanting HRT still have periods, what type of HRT must they have?
Cyclical HRT (with progesterone)
Cancer risks of HRT
Breast and endometrial
Non cancer risks of HRT
VTE, stroke, coronary artery disease
Oldest age for smears
65 unless 1 of last 3 abnormal
3 key questions in HRT counselling
Local or systemic symptoms?
Uterus or not?
Periods or not?
How many years is Mirena coil licensed for in HRT endometrial protection
4 years (5 normally)
Best way of delivering drugs in HRT
Oestrogen - patch (VTE risk lower)
Progesterone - coil (breast cancer and MI risk)
How long for HRT to work
3-6 months
Criteria for diagnosing PCOS
Rotterdam criteria
PCOS definition by Rotterdam criteria
2/3 of:
Anovulation, hyperandrogegism (acne, hirsutism) and PCO on USS
Skin change in PCOS
Acanthosis nigricans
4 ddx other than PCOS of hirsutism
Medications (phenytoin, ciclosporin, testosterone and steroids)
Ovarian or adrenals tumours
Cushings syndrome
Congential adrenal hyperplasia
SHBG levels in PCOS (sex hormone binding globulin)
Reduced
Insulin resistance -> increased insulin -> increased androgens
Insulin resistance -> increased insulin -> less negative feedback to SHBG -> less androgen blocking -> increased androgen levels
Increased androgen levels in PCOS physiology
Insulin resistance -> increased insulin -> increased androgens
Insulin resistance -> increased insulin -> less negative feedback to SHBG -> less androgen blocking -> increased androgen levels
TV USS appearance of PCOS
String of pearls
12 or more developing follicles per ovary or ovarian volume more than 10cm3
NOT reliable in adolescents
Drug used to help weight loss in women with PCOS
Orlistat (lipase inhibitor)
How to reduce risk of endometrial cancer in women with PCOS
Mirena coil Cyclical progesterones (or COOP) to induce withdrawal bleed
Treatments for infertility in PCOS
Weight loss, clomifene, ovarian drilling, IVF
Treatment for hirsutism in PCOS
Weight loss, COOP, topical eflornithine, spirolactone
Management of acne in PCOS
COOP
Then standard acne treatments: retinoid, abx, azelaic acid
Two types of functional ovarian cysts
Follicular: developing follicle that fails to rupture. Harmless and disappear after a few cycles
Corpus luteum: when luteum breaks down but fills with fluid. COMMON IN PREGNANCY
Type of tumour associated with ovarian torsion
Dermoid cysts/ germ cell tumour (type of teratomas)
Treatment for perimenopausal women with a simple cyst less than 5cm
No further investigation needed
Epithelial ovarian masses
Serous cystadenoma
Mucinous cyst adenoma - can become huge
Ovarian cancer tumour marker
Ca125
Other causes of Ca125
Endometriosis Fibroids Adenomyosis PID Liver disease Pregnancy
Risk of malignancy index takes what into account
Menopause status (older -> high risk)
Ca125
US findings
Meig’s syndrome
Ovarian fibroma (benign)
Pleural effusion
Ascites
Removal of tumour resolves symptoms
Dx: pleural effusion and ascites in a women with a ovarian tumour
Meigs syndrome (fibroma tumour)
Most common type of ovarian torsion
An ovarian mass normally larger than 5cm twists
Can happen in young girls with longer infundibulopelvic ligaments
Ovarian torsion presentation
Sudden onset severe unilateral pelvic pain - progressively gets worse and associated with N&V
USS finding in ovarian torsion
Whirlpool sign with free fluid in the pelvis and oedema of the ovaries
Dooplers may show lack of blood supply
Why can an ovarian torsion not be left
Becomes necrotic -> access -> sepsis/ peritonitis
Ashermans syndrome
Adhesions within the uterus (synechiae) following damage
When does Ashermans syndrome commonly occur after
Dilation and curettage procedures (removal of retained products), uterine surgery, pelvic infection
Management of POF
COOP or Traditional combined HRT
Ashermans syndorme presentation
Secondary amenorrhoea, lighter periods, dysmenorrhoea
Infertility
Ashermans syndrome management
Dissecting adhesions during hysteroscopy
Cell type of endocervix
Columnar epithelium
Cell type of ectocervix
Stratified squamous epithelium
Classical cervical ectropion presentation
Post coital bleeding
Risk factors for cervical ectropion
Higher oestrogen levels - young women, COOP and pregnancy
What is a nabothian cyst
fluid filled cyst on cervix
Nabothian cyst pathophysiology
Columnar epithelium of endocervix produces mucus (normal). Minor trauma (birth or infection) causes squamous cells of ectocervix to slightly cover columnar cells, trapping the mucus
Vault prolapse
Top of the vagina descends into the vagina in women who have had a hysterectomy
Management of nabothian cyst
No treatment required as long as sure on dx
Can therefore biopsy
How to grade uterine prolapse
POP-Q
Pelvic organ prolapse quantification system
0 normal
4 eversion of vagina
3 types of management in pelvic prolapse
1: conservative
2: vaginal pessary
3: surgery
What may you co-prescibe with a pessary
Vaginal oestrogen cream
Stops irritation of walls
4 causes for overflow incontinence
Anti-cholinergic meds
Fibroids
Pelvic tumours
Neurological (MS, poor DM, spinal cord injuries)
What sex is overflow incontience most common in
Men (very rare in women)
Key management of stress incontinence
Avoid caffeine, diuretics and over filling bladder
Weight loss
Pelvic floor exercises for 3 months min
Surgery
DULOXETINE
Key management of urge incontinence
Bladder retraining for 6 weeks Anticholinergic medication (oxybutynin)
Key management of urge incontinence
Bladder retraining for 6 weeks
Anticholinergic medication (oxybutynin)
Mirabegron
Invasive procedures (botox and sacral nerve stimulation)
Common side effects of anti-cholinergic medications
Dry mouth, dry eyes, retention, constipation, hypotension
What is mirabegon and what is it used for
Beta 3 agonist
Used for urge incontinence when anti-ch is not tolerated
Contraindicated in HTN and BP must be monitored while on the drug
What must be monitored in patients on mirabegon
BP
Risk of HTN crisis
Used for urge incontinence
What is cause of atrophic vaginitis
Lack of oestrogen
Treatment for atrophic vaginitis
Topical oestrogen
applied at night
How is oestrogen cream commonly given
Once daily at night using a syringe into the vagina
Role of bartholians gland
Produce mucus to help with vaginal lubrication
Classic presentation of a bartholins cyst
Swelling in posterior vaginal introitus 1-4cm
Treatment of bartholian cyst
Hygiene, analgesia and warm compress
Antibiotics (E.Coli most common cause)
Incision not used as often reoccur
When may a biopsy be taken of a ?bartholian cyst
Older women not improving ?vulva cancer
Not used to drain as reoccur
Difference between lichen simplex and lichen plants
Lichen simplex: chronic irritation by repeated scratching
Lichen planus: SKIN autoimmune disease that causes local chronic inflammation
What is lichen sclerosus
White patches of skin over vulvua or penis
Itching, soreness, tightness, erosions
What is the Koebner phenomenon
Signs or symptoms made worse my friction to skin
Seen in lichen sclerosus
Management of lichen sclerosus
Cannot be treated
Follow up every 6 months as increased risk of cancer (5% risk of squamous cell)
Potent topical steroids (clobetasol)
Do all cases of FGM need to be reported to police
ALL UNDER 18s
Not all over 18s. Review RCOG risk assessmemt
Why do males not develop a uterus
Anti-mullerian hormone
What do female genital organs develop from
Mullerian ducts
Complications of a bicornuate uterus
Miscarriage, premature birth, malpresentation
Why must a imperforate hymen be treated
Risk of retrograde menstruation which can lead to endometriosis
Chromosome type of patient with androgen insensitivity syndrome
46XY i.e genetically male
Young girl with an inguinal hernia and primary amenorrhoea
Androgen insensitivity syndrome
hernias = testicles
What type of external genitalia do patients with androgen insensitivity syndrome have
Female external genitalia
No uterus, upper vagina, cervix, fallopian tubes or ovaries. Testes present
4 hormone test results in androgen insensitivity syndrome
Raised LH
Raised (or normal) FSH
Raised oestrogen levels
Raised testosterone levels
FSH and LH levels in menopause
Very high as no negative feedback from oestrogen
Two most common types of cervical cancer
Squamous cell carcinoma (80%)
Adenocarcinoma
Why does HPV lead to an increased risk of cervical cancer
Inhibit tumour suppressor genes P53 and pRb
How long after pregnancy can you have a cervical smear
3 months
What does LLETZ stand for
Large loop excision of the transformation zone
What grade of CIN is cancer
None
CIN is dysplasia seen on colonoscopy (NOT SMEAR)
CIN 1 -3 are changes to cells which could progress to cancer
Treatment for CIN 3
LLETZ or cone biopsy
Not cancer but high cancer of progression to cancer
Treatment for Stage 1B - 2A cervical cancer
Radical hysterectomy
Chemotherapy and radiotherapy
Cervical cancer stage 2B-4A
Chemo and radio only
Cervical cancer staging system
FIGO
1-4
4 is bladder, rectum or beyond pelvis
Two strains of HPV that cause genital warts
6 and 11
Two main risk factors in UK for endometrial cancer
Obesity and diabetes
Age, no pregnancies, PCOS, late menopause
How can non concerning endometrial hyperplasia be treated
Progesterones - IUS or mini pill
Careful follow up and monitoring
Why is obesity a risk factor for endometrial cancer
Adipose tissue has aromatase
Converts testosterone into oestrogen
Unopposed oestrogen as no corpus letum to produce progesterone
Why is it important to ask about breast cancer hx in an endometrial cancer hx
Tamoxifen has an anti-oestrogen effect on breast tissue only
4 key cancers associated with Lyncc syndrome
Colorectal
Endometrial
Gastric
Ovarian
How does smoking affect endometrial cancer risk
Increased pre menopause
May be protective after menopause as anti-oestrogen effects
In women with endometrial cancer, what is the surgical treatment
TAH BSO
Total abdominal hysterectomy with bilateral salpingo-oophorectomy
What type of tumour would show Signet Rings on histology
Krukenburg
Mets in ovary from a GI cancer
Key RFs for ovarian cancer
Age BRAC Obesity Smoking Use of clomifine
Increased number of ovulations
Which guidelines for issuing contraception to young girls
Fraser
Why may ovarian cancer cause hip or groin pain
Pressing on obturator nerve
What does ovarian cancer RMI score use
Menopausal status
USS
CA125
What additional blood tests do women under 40 with ?ovarian cancer need
Germ cell tumour bloods
AFP and bHCG
Normal age of puberty in boys and girls
8-14 girls
9-15 boys
Genetic condition causing hypogonadotrophic hypogonadism
Kallaman
Loses sense of smell!!
What does congenital adrenal hyperplasia cause hormone levels to do
Low cortisol and aldosterone
First line investigation in PMS
2 cycle diary of mood etc
Drug used for physical symptoms of PMS
Spirolactone
What are fibroids sensitive to
Oestrogen
Over what size fibroid should women be referred to gynae
3cm
What blood test would you do in women under 40 with menopausal symptoms
FSH
Best imaging technique for adenomyosis
MRI
Chickenpox exposure in pregnancy > 20 weeks and not immune
either oral antivirals or VZIG
If cannot detect fetal hb on accus, what would you do next
USS