Gynae / GUM Flashcards
Syx of candidal vulvovaginitis
Soreness
Itching
Red skin - possible peeling, pustules or apples
White discharge
When to refer candidal vulvovaginitis
Unclear diagnosis
No improvement despite tx
Immunocompromised patient
Systemic tx needed
Tx of candidal vulvovaginitis
Topical imidazole e.g clotrimazole, ketoconazole, econazole
Alternative = topical terbinafine
If problematic itch/ inflammation add mild steroid cream
If tx ineffective try - oral fluconazole 50mg 2-4 wks
Which COCP may also help with acne
Dianette - shouldn’t be used only for contraception
Yasmin
What syndrome is caused by 45XO
Turners syndrome - absence of one X chromosome in a female
What is the SRY gene
Sex determining region of the Y chromosome
Clinical features of Turners Syndrome
Female
Short stature
Webbed neck
Wide carrying angle of elbow
Associated medical conditions of Turners Syndrome include
Coarctation of the aorta IBD Sensorineural and conduction deafness Renal anomalies Endocrine dysfunction - autoimmune thyroid disease
What patients have streak ovaries
Turners Syndrome
How does Turners Syndrome get detected
At birth - clinical appearance
Childhood - short stature
Adolescence - delayed puberty
Is pregnancy possible in Turners Syndrome
Yes - usually requires egg donation
What is XY gonadal dysgenesis
XY karyotype but gonads don’t develop in testis
Phenotypically Female
Genotypically Male
Pregnancy may be possible with egg donation
What is 46XY disorder of sex development
Complete androgen insensitivity syndrome.
Testes form due to SRY gene action.
Testes secrete AMH –> regression of Müllerian ducts.
Phenotypically F - F external genitalia - no uterus.
Breast development, minimal public hair.
Short vagina
Genital effects of congenital adrenal hyperplasia
Virilization of F foetus
Enlarged clitoris
Labia fused + scrotal in appearance
What is Mayer-Rokitansky-Kuster-Hauser syndrome
Müllerian agenesis - absent / rudimentary uterus + upper vagina.
Primary amenorrhea after normal pubertal development.
What age defines precocious puberty
Before 8 in F
Before 9 in M
2 categories of precocious puberty
Central (gonadotropin dependent - 75% cause unknown.)
Peripheral (always pathological)
Causes of central precocious puberty
75% unknown
25% due to CNS malformation or brain tumour
Causes of peripheral precocious puberty
Always pathological
Oestrogen secretion - e.g. Hormone producing tumour, exogenous ingestion
Age definition of delayed puberty
No secondary sexual characteristics by age 14
Due to - hypogonadotrophic hypogonadism
- hypergonadotrophic hypogonadism
What causes hypogonadotrophic hypogonadism
Constitutional Anorexia nervosa Excessive exercise Diabetes Renal failure (Pituitary tumour, kalman's syndrome) - rare
What causes hypergonadotrophic hypogonadism
Turner syndrome
XX gonadal dysgenesis
Premature ovarian failure
Following chemo or radio therapy for child cancers.
What does gonadotropin releasing hormone do
Controls pituitary hormone secretion
GnRH secreted in a pulsatile way to stimulate LH and FSH
GnRH at constant high dose reduces LH and FSH secretion.
What are buserelin and goserelin
GnRH agonists
What is the effect of oestrogen on LH
Low oestrogen inhibits LH production.
High oestrogen increases LH production.
Effect of progesterone on LH and FSH
Low progesterone levels increase LH and FSH productions.
High progesterone levels decrease LH and FSH productions.
Causes of heavy menstrual bleeding
Fibroids Endometrial polyps Coagulation disorders PID thyroid disease Drug tx - warfarin Copper coil Endometrial ca Cervical ca
What is the new name for dysfuntional uterine bleeding
Bleeding of endometrial origin
Diagnosis of exclusion
Investigation for heavy menstrual bleeding
FBC - anaemia Coagulation screen Pelvic USS - fibroid, endometrial polyp, cancer Vaginal / endocervical swabs - PID Endometrial biopsy - endometrial cancer TFTs
Management of heavy menstrual bleeding
Mefenamic acid (NSAID) Tranexamic acid COCP Norethisterone - taken from day 6 to 26 Mirena coil GnRH agonists - short term Endometrial ablation Hysterectomy
What is endometrial ablation / how is it done
Day case
Through the vagina and cervix
Hysteroscopy before + after
Full thickness of endometrium abated
Causes of dysmenorrhea
No cause found Endometriosis Adenomyosis PID Cervical stenosis Haematometra
Diagnosis of endometriosis
Laparoscopy
Treatment of endometriosis
COCP (continuously is best)
Mirena
Surgical laser ablation, diathermy or excision
Complication of endometriosis
Adhesions
‘Chocolate’ ovarian cysts = endometriomas
Infertility
What is adenomyosis
Ectopic endometrial tissue within myometrium
Management of dysmenorrhea
NSAIDS - ibruprofen, mefenamic acid COCP Mirena Low fat diet Exercise GnRH anaologues Heat
Causes of dyspareunia
PID Endometriosis Ovarian cysts STIS Thrush Vaginal atrophy / lack of lubrication
Define primary amenorrhea
Failure to menstruate by age 16
Define secondary amenorrhea
Absence of menstruation for >6m that isn’t due to pregnancy, lactation or menopause
Causes of secondary amenorrhea
Obesity BMI <18.5 Excessive exercise Severe anxiety Pituitary tumour Chemotherapy Antipsychotic drugs Thyroid overactivity PCOS POF Ashermans syndrome
Causes of primary amenorrhea
Anatomical - cervical stenosis - imperforate hymen - Müllerian agenesis - transverse vaginal septum Hypothalamic-pituitary dysfunction - Anorexia - Chronic illness - excessive exercise - head injury Ovarian failure - Turners syndrome - POF - chemotherapy - pelvic irradiation Hypothyroidism Hyperthyroidism
Investigation of amenorrhea
Pregnancy test Blood - LH, FSH, Testosterone Prolactin level TFT USS of ovaries Hysteroscopy if ashermans / cervical stenosis
Clinical manifestations of PCOS
Menstrual irregularity - oligomenorrhoea / amenorrhea Hirsutism Subfertility Recurrent miscarriage (50%) Obesity High LH insulin resistance Acanthosis nigricans
Diagnosis of PCOS
2+ of:
- amenorrhea / oligomenorrhoea
- hyperandrogenism
- polycystic ovaries on USS
Management of PCOS
COCP Cyclical oral progesterone Metformin Clomiphene Weight reduction Exercise
Management of hirsutism
Eflornithine cream Cyproterone acetate (Dianette) Metformin GnRH analogues Laser / electrolysis
Causes of post menopausal bleeding
Atrophic vaginitis Endometrial polyps Endometrial hyperplasia Endometrial carcinoma Cervical carcinoma
Investigation of post menopausal bleeding
TV USS of endometrial thickness (<3mm)
Endometrial biopsy
Hysteroscopy (+curettage of polyps)
Management of atrophic vaginitis
Topical oestrogen cream
Oestrogen pessaries
Oestrogen ring pessaries
Management of simple or complex endometrial hyperplasia
Oral progesterone
Mirena
Management of atypical endometrial hyperplasia
Total abdominal hysterectomy - risk of progression to malignancy
Management of endometrial cancer
Total abdominal hysterectomy + BSO + washing +/- adjuvant therapy
Management of pre-menstrual syndrome
Stress reduction Exercise Alcohol and caffeine reduction COCP / oestrogen patches / mirena SSRIs CBT GnRH analogues Hysterectomy + BSO
Types of candida species
Candida albicans Candida tropicalis Candida glabrata Candida krusei Candida parasilosis
Common species involved in bacterial vaginosis
Gardnerella vaginalis
Mycoplasma hominis
Bacteroides
Mobilincus
Which STI is a flagellate Protozoan
Trichomonas vaginalis
Symptoms of Trichomonas vaginalis
Vulval soreness + itching
Foul smelling discharge - may be frothy / green
Dysuria
Abdo discomfort
Strawberry cervix (punctate haemorrhages)
Diagnosis of Trichomonas vaginalis
Microscopy of vaginal discharge
Treatment of Trichomonas vaginalis
Metronidazole (2g) single dose
Tx both partners
Symptoms of bacterial vaginosis
Malodorous fishy discharge
Assymptomatic carriers
More prominent during menstruation
Cream / grey discharge - commonly adheres to wall of vagina
What do clue cells suggest
Bacterial vaginosis
Clue cell = epithelial cell covered in bacteria
Management of bacterial vaginosis
Metronidazole 2g single dose
Or as a gel
Problems with bacterial vaginosis in pregnancy
In 1st T can –> second trimester miscarriages or preterm labour
Tx with metronidazole
Which STI is a gram -ve diplococcus
Neisseria gonorrhoea
Symptoms of gonorrhoea
Asymptomatic Increased vaginal discharge Abdo / pelivic pain Dysuria Urethral discharge Proctitis / rectal bleeding Cervical bleeding on contact Cervical excitation
Causes of cervical excitation
Ectopic pregnancy
PID
gonorrhoea
Treatment of gonorrhoea
Cephalosporins
- cefixime oral 400mg single dose - cefriaxinine IM 250mg single dose
Which STI is an obligate intracellular pathogen
Chlamydia
Symptoms / signs of chlamydia infection
Asymptomatic Vaginal discharge Lower abdo pain Intermenstrual bleeding Cervical discharge Post-coital (contact) bleeding Dysuria Urethral discharge
Complications of chlamydia
PID Fitz-Hugh-Curtis syndrome =peri-hepatitis Neonatal conjunctivitis Neonatal pneumonia Adult conjunctivitis Reiters syndrome = reactive arthritis
Treatment of chlamydia
Azithromycin 1g orally single dose (safe in pregnancy)
Doxycycline 100mg oral BD 7d
What is PID
Inflammation and infection arising from endocervix
Leading to endometritis, salpingitis, oophoritis and pelvic peritonitis.
Often due to chalmydia, gonorrhoea or BV
Symptoms / signs of PID
Abdo / pelvic pain Dyspareunia Pyrexia >38 Heavy bleeding Intermenstrual bleeding Pelvic tenderness and cervical excitation on examination Tubal damage
Outpatient treatment of PID
Ofloxacin oral 400mg BD 14d
AND metronidazole 400mg BD 14d
When is hospitalisation indicated for PID
Severe infection Adnexal mass ? Abscess Sepsis Poor response to tx Severe pain requiring strong analgesics
Symptoms of herpes simplex
Painful vesicles
Ulcerations
Urine retention
Treatment of herpes simplex
Acyclovir 200mg 5xd
Analgesics
What virus causes genital warts
HPV 6 + 11
Treatment of genital warts
Podophyllin - local application 2x/wk
Surgical excision
Laser
Cryotherapy
What causes Syphillis
Treponema pallidum
Symptoms of primary Syphillis
Painless ulcer on vulva / cervix
Englarged groin / inguinal lymph nodes
Symptoms of secondary Syphillis
Maculopapular rash on palms and soles
Mucous membrane ulcer
Treatment of Syphillis
Procaine Penicillin I.M. daily 12d
Benzathine penicillin IM 2x 7 days apart
Symptoms of generalised Syphillis
Lymphadenopathy
Arthritis
Symptoms of neuro Syphillis
Meningitis
Stroke
Tabes dorsalis
Symptoms of congenital Syphillis
Intrauterine death
Interstitial keratitis
VIII nerve deafness
Abnormal teeth
Symptoms of genital TB
Amenorrhoea
Infertility
Acute / chronic pelvic pain
Frozen pelvis due to adhesions
What does haemophilus ducreyi cause
Chancroid
Symptoms of Chancroid
Painful shallow multiple ulcers
Regional lymphadenopathy + suppuration
What causes granuloma inguinale
Klebsiella granulomatosis
Failure rate of COCP per 100 women years
0.1-1 %
Failure rate of POP per 100 women years
1-3%
Failure rate of mirena per 100 women years
0.5%
Failure rate of depo prova per 100 women years
0.1-2%
Failure rate of condom per 100 women years
2-5%
Mechanism of action of COCP
Inhibition of ovulation
Atrophic endometrium
Thickened cervical mucus
Absolute CI to COCP use
15 cigarettes / day Hypertension >160 / 100 Hx of DVT / PE / stroke Major surgery + prolonged immobilisation IHD / valve disease Migraine with aura Migraine without aura >35 yo Current breast cancer Diabetes >20 yrs Viral hepatitis / cirrhosis / liver tumours
SE of COCP
Low mood Mood swings Headache Loss of libido Nausea Weight gain Bloatedness Breakthrough bleeding Vaginal discharge Breast pain
Benefits of COCP
Lighter less painful periods Regular bleeds Improved pre-menstrual syndrome Reduced risk of PID Protect against ovarian and endometrial cancer
Mechanism of action of progesterone methods
Thickened cervical mucus
Thin endometrium
Common SE of progesterone only methods
Irregular / absent menstrual bleeding
Simple ovarian cysts
Breast tenderness
Acne
Risk of depo provera
Loss of bone mineral density
Weight gain (2-3kg in 1st yr)
Delay in return of fertility
Irregular / absent menstruation
Mechanism of action of copper IUD
Toxic to egg and sperm
SE of copper IUD
Heavier periods
Increased menstrual pain
Increased spotting
Duration of action of depo, implant, mirena, copper coil
Depo = 12 weeks
Implant = 3 years
Mirena = 5 years
Copper coil = 10 years
CI to intrauterine contraception
Current STI PID malignant trophoblastic disease Unexplained vaginal bleeding Endometrial cancer Cervical cancer Malformation of uterus Copper allergy