gynaecology Flashcards
In patients with hypothalamic-pituitary dysfunction, what is the typical pattern of FSH and LH?
FSH low, LH low
Hyperprolactinemia caused by a pituitary adenoma is frequently associated with amenorrhea and what other symptom?
Galactorrhoea
What measurement can help differentiate hypothalamic-pituitary amenorrhea from ovarian failure?
FSH raised with ovarian failure, low with HPO
Primary amenorrhea is defined as the absence of menstruation after what age (with normal secondary sex characteristics)?
16
Primary amenorrhea is defined as the absence of menstruation after what age (with no secondary sex characteristics)?
14
In a person with primary amenorrhea and anosmia and low GnRH, LH, FSH, oestradiol, what is the most likely diagnosis?
Kellmann Syndrome
What is the incidence of Kellman syndrome?
1/50000
In secondary amenorrhea what test should be done first?
Pregnancy test
What are the two differential diagnoses for secondary amenorrhea and raised FSH/LH in a 30 year old woman, assuming pregnancy has been excluded?
POI and Turners/Sawyers
What are the features and karyotype of turners syndrome (non-mosaic)?
45 XO, short stature
primary or secondary amenorrhea
absent or reduced secondary sex characteristics, webbed neck
short 4th metacarpals
renal and cardiac abnormalities (coactation of aorta, horseshoe kidney)
What are the karyotypes seen in turners mosaics?
45x: 46xx, 45xo; 46xy
In turners syndrome why are streak ovaries removed surgically?
Risk of malignant transformation
What therapy should be given to people with turners syndrome?
2 years oestrogen to achieve normal growth and development.
After 2 years 10 days of progestin each month should be added to induce a withdrawal bleeds and protect the endometrium
Which dopamine agonist is safe in pregnancy (in the context of treating pituitary adenoma)?
Bromocriptine. Bromocriptine and cabergoline appear to be safe during pregnancy however bromocriptine is the most ‘tried and tested’ in this scenario.
What % of women are able to achieve a pregnancy on dopamine agonists (assuming no other fertility problems)?
80%
What % ovarian tumours (malignant and benign) are epithelial in origin?
70%
What is a Brenner Tumour (transitional cell)?
Benign formed of bladder like cells, coffee bean nuclei, rarely transforms to squamous cell carcinoma.
In which type of ovarian tumour are coffee bean nuclei seen?
Brenner Tumour (transitional cell).
Which type of ovarian tumour are psammoma bodies seen on histology?
Serous cystadenoma
Which type of ovarian tumour are pseudomyxoma peritoni seen?
Mucinous cyst adenoma
Bilateral ovarian tumours are most commonly associated with which type?
Serous epithelial
% bilateral mature cystic teratoma?
10%
A 20 yo woman with an ovarian mass on ultrasound in keeping wither a teratoma presents with palpitations, anxiety, exopthalmous and weight loss, but has a normal thyroid examination, what is the name of the ovarian mass associated with this clinical picture?
Stuma ovari
What age group to immature teratoma normally affect?
<20s (malignant and aggressive)
Raised LDH is seen in which type of ovarian tumour?
Dysgerminoma
What histology is seen with a dysgerminoma?
Fried egg cells, large central nuclei with lots of cytoplasm.
Raised bHCG is seen with which type of ovarian tumour?
Choriocarcinoma
Raised AFP is seen with which type of ovarian tumour?
Yolk sac (endodermal sinus) tumour
What histology is seen with Yolk sac (endodermal sinus) tumours?
Schiller Duval bodies
Name 4 types of sex cord-stroma ovarian tumours?
Granulosa, theca cell, Sertoli-leydig, fibroma
Ovarian fibroma is associated with which syndrome?
Miegs (ascites and hydrophroax)
Reinke crystals are seen in which type of ovarian tumour?
Steroli-Leydig (pink rod like structures in cytoplasm
Which marker is raised in granulosa cell tumours?
Inhibin B
Granulosa cell tumours have which feature seen on histology?
Call-exner bodies (granulosa cells around eosinic fluid)
Thecoma tumours produce which marker?
Oestradiol
A 65 year old woman presents with increased weight and irregular post menopausal bleeding. Bloods show a raised oestradiol level and ultrasound shows a complex ovarian mass. Which type of ovarian tumour is this likely to be?
Thecoma (theca cell)
A 30 year old woman presents with rapid increase in acne and a deepening over her voice. Bloods show a raised testosterone and ultrasound an ovarian mass, which type of ovarian tumour is this likely to be?
Sertoli-Leydig (usually benign, can be hormonally active)
If signet cell rings are seen on histology of an ovarian mass which type of ovarian tumour is this likely to be?
Krukenberg (GI malignancy, metastasis to ovaries, usually bilateral)
Risk factors for ovarian cancer?
No pregnancies, infertility, early menarche, late menopause, endometriosis, PCOS, smoking. (reduced cycle # = protective)
Investigations for suspected ovarian cancer?
TV USS, bloods (LDH, bHCG, AFP, inhibin B, ca125), MRI to clarify/plan surgery, CT if staging, histology only way to dx completely.
A pregnant woman is found to have bilateral ovarian cysts on her dating USS, which ovarian tumours are these likely to be?
Theca-lutein
A 35 year old woman has an ultrasound for non-visible threads for her IUD. A 32x33x34mm simple cyst is seen on the right ovary, the scan is otherwise normal and the IUD correctly sited, and she is usually fit an well. What follow up does the she need?
<5cm, no further USS required, usually functional in nature (previous guidelines said <3cm reassure and NFA).
A 35 year old woman has an ultrasound for non-visible threads for her IUD. A 50x60x55mm simple cyst is seen on the right ovary, the scan is otherwise normal and the IUD correctly sited, and she is usually fit an well. What follow up does she need?
Rescan 12/52
A 35 year old woman has an ultrasound for non-visible threads for her IUD. A 50x60x55mm simple cyst is seen on the right ovary, the scan is otherwise normal and the IUD correctly sited, and she is usually fit an well. She was reassured and given a repeat uss 3/12 later the cyst measures 55x60x60mm and remains simple, she is asymptomatic. What investigations, if any would you do?
Ca125.
A 35 year old woman has an ultrasound for non-visible threads for her IUD. A 50x60x55mm simple cyst is seen on the right ovary, the scan is otherwise normal and the IUD correctly sited, and she is usually fit an well. She was reassured and given a repeat uss 3/12 later the cyst measures 55x60x60mm and remains simple, she is asymptomatic.Ca125 is 20. What follow up if any does she require?
Surgical options should be discussed as increasing in size and at risk of torsion.
A 35 year old woman has an ultrasound for non-visible threads for her IUD. A 50x60x55mm simple cyst is seen on the right ovary, the scan is otherwise normal and the IUD correctly sited, and she is usually fit an well. She was reassured and given a repeat uss 3/12 later the cyst measures 50x60x55mm and remains simple. Does she need any further investigations?
Ca125
A 27 year old woman has an ultrasound for non-visible threads for her IUD. A 50x60x55mm simple cyst is seen on the right ovary, the scan is otherwise normal and the IUD correctly sited, and she is usually fit an well. She was reassured and given a repeat uss 3/12 later the cyst measures 50x60x55mm and remains simple. Ca125 is 20. Does she require any further follow up?
Annual USS.
A 36 year old woman has an ultrasound for non-visible threads for her IUD. A 50x60x55mm simple cyst is seen on the right ovary, the scan is otherwise normal and the IUD correctly sited, and she is usually fit an well. She was reassured and given a repeat uss 3/12 later the cyst measures 55x60x60mm and remains simple, she is asymptomatic. Ca125 is 41. What follow up if any does she require?
2WW gynae referral.
A 35 year old woman has an ultrasound for non-visible threads for her IUD. A 50x60x55mm simple cyst is seen on the right ovary, the scan is otherwise normal and the IUD correctly sited, and she is usually fit and well. She was reassured and given a repeat uss 3/12 later the cyst measures 55x60x60mm and has become multilocular, she is asymptomatic. Ca125 is 36. What follow up if any does she require?
2ww gynae referral (raised C125, size and complex features on uss)
A 38 year old woman has an ultrasound for non-visible threads for her IUD. A 50x80x72mm simple cyst is seen on the right ovary, the scan is otherwise normal and the IUD correctly sited, and she is usually fit an well. What follow up if any does she require?
Ca125, if normal routine gynae referral ?surgery as risk of torsion. Ca125 raised 2ww gynae referral.
A 23 year old with history of HMB and dysmenorrhea with perimenstrual dyscexia and urinary symptoms. She is overwise fit and well, menarche was aged 12, periods are regular and 7/28. They have gradually become more painful over time. You suspect endometriosis and discuss her management options, what are her management options?
Information giving, hormonal management (CHC if not contraindicated, progestin only treatment otherwise or IUS), analgesia (NSAIDs best evidence), ultrasound to assess for other causes of pelvic pain and to look for endometriosis, diagnostic laparoscopy +/- treatment to endometriosis if found.
A 23 year old with history of HMB and dysmenorrhea with perimenstrual dyscexia and urinary symptoms. She is overwise fit and well, menarche was aged 12, periods are regular and 7/28. They have gradually become more painful over time. You suspect endometriosis and discuss her management options and she elects for CHC, you request an ultrasound and list her for diagnostic laparoscopy +/- treatment to endometriosis if found. USS returns with a 2x3x2cm ground glass ovarian mass, in keeping with endometrioma, and Ca125 is normal, what follow up is required of the endometrioma?
> 3cm repeat USS 12/12, if unchanged no further f/u, if increasing in size refer to gynae to consider surgery.
23 year old with history of HMB and dysmenorrhea with perimenstrual dyscexia and urinary symptoms. She is overwise fit and well, menarche was aged 12, periods are regular and 7/28. They have gradually become more painful over time. You suspect endometriosis and discuss her management options and she elects for CHC, you request an ultrasound and list her for diagnostic laparoscopy +/- treatment to endometriosis if found. USS returns with a 50x52x40mm ground glass ovarian mass, in keeping with endometrioma, and Ca125 is normal, what follow up is required of the endometrioma?
Refer to gynae to consider surgery. Risk of torsion and growth, impact on fertility
A 23 year old with history of HMB and dysmenorrhea with perimenstrual dyscexia and urinary symptoms. She is overwise fit and well, menarche was aged 12, periods are regular and 7/28. They have gradually become more painful over time. You suspect endometriosis and discuss her management options and she elects for CHC, you request an ultrasound and list her for diagnostic laparoscopy +/- treatment to endometriosis if found. USS returns with a 2x2x2cm ground glass ovarian mass, in keeping with endometrioma, and Ca125 is normal, what follow up is required of the endometrioma?
Reassurance <3cm
Some schools of though suggest annual surveillance as may grow by 1cm/year esp if not on progestins
A 45 presents with bloating, tiredness and feeling of early satiety, she is normally fit and well. Her GP investigated with routine bloods, and ultrasound. A multilocular cysts with 5 papilary structures and colour flow noted was found on the right adnexa. Her Ca125 is 55.
What is her RMI score?
RMI = menopausal state (1 for pre, 3 for post) x malignant features on USS x ca125 value. 55x1x2 = 110
What RMI figure should be referred to a secondary/tertiary centre for care?
> 200
What is the 5 year survival rate for epitheial ovarian tumours at stage 1/2/3/4?
1= 80-90% 2 = 70% 3 = 40% 4 = 17%
BRCA 1 carriers have what % risk of ovarian cancer by age 85?
40-60%
BRCA 2 carriers have what % risk of ovarian cancer by late age?
16-27%
What measure to detect and prevent ovarian cancer are recommended for BRCA carriers?
6/12 USS and ca125 until BSO once family complete.
BRCA is found on which chromosome?
17
A 69 year old woman has an episode of PMB, her GP requests an ultrasound to assess, the endometrial thickness is 2mm and she is reassured and advised to report any further bleeding to her GP, however on the USS a 9x8x7mm simple cyst was noted on the left ovary. What follow up is needed?
Nil <1cm.
A 69 year old woman has an episode of PMB, her GP requests an ultrasound to assess, the endometrial thickness is 2mm and she is reassured and advised to report any further bleeding to her GP, however on the USS a 15x20x20mm simple cyst was noted on the left ovary. What follow up is needed?
Ca125, if raised 2WW referral, if normal 6/12 USS and Ca125.
A 69 year old woman has an episode of PMB, her GP requests an ultrasound to assess, the endometrial thickness is 2mm and she is reassured and advised to report any further bleeding to her GP, however on the USS a 15x20x20mm simple cyst was noted on the left ovary, ca125 was 20 and a repeat USS was organised for 6/12, it shows a 15x20x20mm simple cyst. She is asymptomatic.
What follow up is needed?
Ca125 now and again 6/12 ca125 and USS (total 1 year surveillance) then discharge if no change and ca125 normal.
A 69 year old woman has an episode of PMB, her GP requests an ultrasound to assess, the endometrial thickness is 2mm and she is reassured and advised to report any further bleeding to her GP, however on the USS a 15x20x20mm simple cyst was noted on the left ovary, ca125 was 41. She is asymptomatic. What follow up is needed?
Urgent gynae referral from community care.
In gynae….RMI is 123, the cyst is small with IOTA benign so repeat uss and ca125 4-6/12.
Resolved - discharge
Unchanged - uss and ca125 4-6/12 and if still unchanged discharge.
Increased size/complexity - intervention.
A 69 year old woman has an episode of PMB, her GP requests an ultrasound to assess, the endometrial thickness is 2mm and she is reassured and advised to report any further bleeding to her GP, however on the USS a 15x20x20mm simple cyst was noted on the left ovary, ca125 was 20 and a repeat USS was organised for 6/12, it shows a 25x20x20mm simple cyst, repeat ca125 is 25. She is asymptomatic. What follow up is needed?
Routine gynae o/p to discuss surgery
A 69 year old woman has an episode of PMB, her GP requests an ultrasound to assess, the endometrial thickness is 2mm and she is reassured and advised to report any further bleeding to her GP, however on the USS a 15x20x20mm simple cyst was noted on the left ovary, ca125 was 20 and a repeat USS was organised for 6/12, it shows a 25x20x20mm simple cyst, repeat ca125 is 38. What follow up is needed?
2WW referral.
In gynae; increased size and ca125 - consider intervention
A 69 year old woman has an episode of PMB, her GP requests an ultrasound to assess, the endometrial thickness is 2mm and she is reassured and advised to report any further bleeding to her GP, however on the USS a 15x20x20mm simple cyst was noted on the left ovary, ca125 was 41. What follow up is needed?
2W referral.