Thursday, 12 November 2020

Tutorial 12th. November 2020

12 November 2020

 

6

RCOG & TOG sample questions. Go through all of them as they make for easy marks. TOG has CPD questions in every issue. Make sure you can answer all of them from the last 2 - 3 years, don’t just read the articles.

7

EMQ. Fragile X syndrome

8

EMQ. Maternal Mortality definitions

9

EMQ. Uterine transplant.

10

SBA.   Lynch syndrome.

11

SBA.   Cowden syndrome.

 

6.     RCOG & TOG sample questions.

Go through all of them as they make for easy marks. TOG has CPD questions in every issue. Make sure you can answer all of them from the last 2 - 3 years, don’t just read the articles.

 

7.     EMQ. Fragile X syndrome.

Abbreviations.

FXS:               Fragile X syndrome

FXTAS:          Fragile X tremor ataxia syndrome

HFEA:            Human Fertilisation and Embryology Authority

PIGD:            pre-implantation genetic diagnosis.

POF:              premature ovarian failure (now known as POI)

POI:               premature ovarian insufficiency

TR:                trinucleotide repeat

TTR:              tetranucleotide repeat

Question 1.

Lead-in

Which, if any, of the following are features of FXS in males?

Option List

A.       

autism

B.       

epilepsy

C.       

hyper-extensible joints

D.      

learning difficulty

E.       

post-pubertal macroorchidism

Question 2.

Lead-in

Which, if any, of the following are features of FXS in females?

Option List

A.       

autism

B.       

epilepsy

C.       

hyper-extensible joints

D.      

learning difficulty

E.       

post-pubertal ovarian enlargement

Question 3.

Lead-in

Why are women thought to be less affected by FXS than men?

Option List

A.       

two X chromosomes dilute the effect of an affected X chromosome

B.       

leonisation

C.       

lionisation

D.      

lyonisation

E.       

none of the above

Question 4.

Lead-in

How common is FXS in males?

Option List

A.       

1 in 1,000

B.       

1 in 4,000

C.       

1 in 8,000

D.      

1 in 20,000

E.       

1 in 100.000

Question 5.

Lead-in

How common is FXS in females?

Option List

A.       

1 in 1,000

B.       

1 in 4,000

C.       

1 in 8,000

D.      

1 in 20,000

E.       

1 in 100.000

Question 6.

Lead-in

Which gene is implicated in the causation of FXS?

Option List

A.       

fragile X mental retardation 1

B.       

fragile X mitochondrial recognition 1

C.       

fragile X 1

D.      

the gene has not yet been identified

E.       

none of the above

Question 7.

Lead-in

Which is the leading hereditary cause of learning difficulty?

Option List

A.       

Down’s syndrome

B.       

fragile X syndrome

C.       

galactosaemia

D.      

homocystinuria

E.       

phenylketonuria

Question 8.

Lead-in

Which is the most common genetic cause of autism?

Option List

A.       

Down’s syndrome

B.       

fragile X syndrome

C.       

galactosaemia

D.      

homocystinuria

E.       

phenylketonuria

Question 9.

Lead-in

Which mode of inheritance occurs with FXS?

Option List

A.       

autosomal dominant

B.       

autosomal recessive

C.       

X-linked dominant

D.      

X-linked recessive

E.       

none of the above

Question 10.

Lead-in

What is the story about trinucleotide repeats and FXS. What are TRs? Which TRs are involved with FXS? How are TRs categorised in relation to FXS?

There is no option list – just write your Answers.

Question 11.

Lead-in

What is the FXS premutation? What are its key features?

There is no option list – just write your Answers.

Question 12.

Lead-in

A woman has FXS. What is her approximate risk of POI?

Option List

A.       

0.1%

B.       

1.0%

C.       

5.0%

D.      

10%

E.       

20%

F.       

none of the above

Question 13.

Lead-in

A woman is a carrier of the FX pre-mutation. What is her approximate risk of POI?

Use the option list in the previous question.

Question 14.

Lead-in

A woman develops POI. What is the chance that she has FXS?

Option List. There is none to make you think.

Question 15.

Lead-in

A woman develops POI. What is the chance that she is a carrier of the FXS premutation?

Option List. There is none to make you think.

Question 16.

Lead-in

A woman develops POI. She has a 1st. degree relative with POI. What is the chance that she has FXS?

Option List. There is none to make you think.

Question 17.

Lead-in

A woman develops POI. She has a 1st. degree relative with POI. What is the chance that she is a carrier of the FXS premutation?

Option List. There is none to make you think.

 

The following are TOG CPD questions. They are open access, so I have produced them here. There are linked to the following article, which is also open access.

Fragile X syndrome: an overview  Bambang et al. TOG 2011. Volume 13. Issue 2

Fragile X syndrome (FXS)

1.     is the most common cause of learning difficulty.                                                      True / False

2.     is an X-linked dominant disorder.                                                                                True / False

With regard to women with FXS,

3.     the phenotype is worse than in men.                                                                          True / False

4.     if they have the full mutation, they are more likely to have a normal IQ than autistic feature.                                                                                                                                True / False

With regard to the genetics of FXS,

5.     women with 100 trinucleotide repeats are at higher risk of POI than those with 60.       True / False

6.     equal numbers of female & male carriers of the premutation are affected by FXTAS.             True / False

With regard to POI and FXS,

7.     up to 25% of women with the fragile X premutation develop POI.                                        True / False

8.     measurement of levels of anti-Müllerian hormone is a valid test for assessing risk of POI.

True / False

9.     women with POI have a 5-10% chance of spontaneous pregnancy.                                          True / False

With regard to testing for FXS,

10.   cell-free fetal DNA testing in maternal blood at 11 weeks is available for identifying the fragile X premutation.                                                                                                               True / False

11.   cascade screening involves testing within families of affected individuals.                           True / False

12.   the HFEA allows preimplantation genetic diagnosis of FXS.                                                 True / False

With regard to fragile X tremor ataxia syndrome,

13.   Parkinson’s disease is one of the recognised differential diagnoses.                             True / False

With regard to testing for FXS,

14.   PIGD allows distinction between the pre- and full FMR-1mutations.                                         True / False

With regard to FXS,

15.   the mother and daughters of a normal transmitting father are obligate carriers.            True / False

16.   women with the syndrome are at a greater risk of developing depression compared with the general population.                                                                                                               True / False

17.   where there are larger numbers of repeat trinucleotides, there is an increased tendency for these repeats to expansion in the offspring, causing them to have earlier onset or more severe clinical effects.                                                                                                                    True / False

18.   it is a recognised cause of macro-orchidism before and after puberty.                       True / False

19.   men with the syndrome are known to have spermatozoa containing the FMR-1mutation.                                                                                                                                                 True / False

20.   in families of women with FXS, carriers of the premutation are known to have irregular menses and shorter cycles than non-carriers.                                                                True / False

 

8.     EMQ. Maternal Mortality definitions.

Option List.

A.   Death of a woman during pregnancy and up to 6 weeks later, including accidental and incidental causes.

B.   Death of a woman during pregnancy and up to 6 weeks later, excluding accidental and incidental causes.

C.    Death of a woman during pregnancy and up to 52 weeks later, including accidental and incidental causes.

D.   Death of a woman during pregnancy and up to 52 weeks later, excluding accidental and incidental causes.

E.    A pregnancy going to 24 weeks or beyond.

F.    A pregnancy going to 24 weeks or beyond + any pregnancy resulting in a live-birth.

G.   Maternal deaths per 100,000 maternities.

H.   Maternal deaths per 100,000 live births.

I.     Direct + indirect deaths per 100,000 maternities.

J.     Direct + indirect deaths per 100,000 live births.

K.    Direct death.

L.    Indirect death.

M.  Early death.

N.   Late death.

O.   Extra-late death.

P.    Fortuitous death.

Q.   Coincidental death.

R.    Accidental death.

S.    Maternal murder.

T.    Not a maternal death.

U.   Yes

V.   No.

W. I have no idea.

X.    None of the above.

Abbreviations.

MD:         maternal death.

MMR:      Maternal Mortality Rate.

MMRat:  Maternal Mortality Ratio.

SUDEP:    Sudden Unexplained Death in Epilepsy.            

Question 1.  

What is a Maternal Death (MD)?

Option list.

A

death during pregnancy

B

death during pregnancy or the month after

C

death during pregnancy or the six weeks after

D

death during pregnancy or the three months after

E

death during pregnancy or the year after

F

none of the above

Question 2.  

Which categories are included in the definition of MD? This is not a true EMQ as >1 answer may be correct.

Option list.

A

accidental death

B

coincidental death

C

direct death

D

iatrogenic death

E

incidental death

F

indirect death

G

late death

Question 3.  

Which categories are included in the discussions in the MMRs? This is not a true EMQ as >1 answer may be correct.

Option list.

A

accidental death

B

coincidental death

C

direct death

D

iatrogenic death

E

incidental death

F

indirect death

G

late death

Question 4.  

A woman dies from a ruptured ectopic pregnancy at 10 weeks’ gestation. What kind of death is it?

Question 5.  

A woman dies from a ruptured appendix at 10 weeks’ gestation. What kind of death is it?

Question 6.  

A woman dies from suicide at 10 weeks’ gestation. What kind of death is it?

Question 7.  

A woman with a 10-year-history of coronary artery disease dies of a coronary thrombosis at 36 weeks’ gestation. What kind of death is it?

Question 8.  

A woman has gestational trophoblastic disease, develops choriocarcinomas and dies from it 24 months after the GTD was diagnosed and the uterus evacuated. What kind of death is it?

Question 9.  

A woman develops puerperal psychosis from which she makes a poor recovery. She kills herself when the baby is 18 months old. What kind of death is it?

Question 10.         

A woman develops puerperal psychosis from which she makes a poor recovery. She kills herself when the baby is 6 months old. What kind of death is it?

Question 11.         

What is a “maternity”.

Question 12.         

What is the definition of the Maternal Mortality Rate?

Question 13.         

What is the Maternal Mortality Ratio?

Question 14.         

A woman is diagnosed with breast cancer. She has missed a period and a pregnancy test is +ve. She decides to continue with the pregnancy. The breast cancer does not respond to treatment and she dies from secondary disease at 38 weeks. What kind of death is it?

Question 15.         

A woman who has been the subject of domestic violence is killed at 12 weeks’ gestation by her partner. What kind of death is it?

Question 16.         

A woman is struck by lightning as she runs across a road. As a result she falls under the wheels of a large lorry which runs over abdomen, rupturing her spleen and provoking placental abruption. She dies of haemorrhage, mostly from the abruption. What kind of death is it?

Question 17.         

A woman is abducted by Martians who are keen to study human pregnancy. She dies as a result of the treatment she receives. As this death could only have occurred because she was pregnant, is it a direct death?

Question 18.         

Could a maternal death from malignancy be classified as “Direct”?

Question 19.         

Could a maternal death from malignancy be classified as “Indirect”?

Question 20.         

Could a maternal death from malignancy be classified as “Coincidental”?

Question 21.         

A pregnant woman is walking on the beach at 10 weeks when she is struck by lightning and dies. What kind of death is this?

Question 22.         

A woman is sitting on the beach breastfeeding her 2-year old baby when she is struck by lightning and dies. What kind of death is this?

 

9.     EMQ. Uterine transplant.

Uterine transplant.

Abbreviations.

ET:        embryo transfer.

UT:        uterine transplant

Scenario 1.              

When was the 1st. human uterine transplant performed?

Option list.

A

2000

B

2015

C

2010

D

2011

E

2012

F

2013

G

2014

H

2015

I

2016

J

2017

Scenario 2.              

When was the 1st. livebirth after human uterine transplant?

Option list.

A

2000

B

2015

C

2010

D

2011

E

2012

F

2013

G

2014

H

2015

I

2016

J

2017

Scenario 3.              

How many live births had occurred worldwide after UT up to the end of 2018?

Option list

A

< 5

B

5 - 10

C

11 - 20

D

21 - 50

E

51 - 100

F

> 100

Scenario 4.              

For which of the following conditions is UT a possible treatment?

Option list.

A

Androgen Insensitivity syndrome. AIS.

B

Congenital Adrenal hyperplasia. CAH.

C

Kallmann’s syndrome. KS.

D

Mayer-Rokitansky-Küster-Hauser syndrome. MRKH.

E

McCune-Albright syndrome. MCAS.

F

Swyer’s syndrome. SS.

G

Turner’s syndrome. TS.

Scenario 5.              

Which, if any, of the following are commonly used for donor selection?

Option list.

A

absence of adenomyosis

B

absence of fibroids

C

age < 65 years

D

good general health

E

negative cervical smear and no high-risk HPV

F

no cancer in past 5 years

G

parous

H

vaginal length > 7 cm.

Scenario 6.              

Has successful transplant occurred using a dead donor?

Option list.

A

No

B

Yes

Scenario 7.              

What is the rate of graft survival at 1 year, failure being the need for hysterectomy?

Option list.

A

< 10%

B

11 – 20%

C

21 – 30%

D

31 – 40%

E

41 – 50%

F

51 – 60%

G

> 60%

H

the figure is unknown

Scenario 8.              

Which of the following statements is correct?

Option list.

A

donor surgery is more extensive than recipient surgery

B

donor surgery is less extensive than recipient surgery

C

donor surgery is as extensive as recipient surgery

Scenario 9.              

What are the main risks for the recipient?

There is no option list to make you think. Write down the main things you can think of.

Scenario 10.           

What are the risks to the donor in addition to the usual ones of bleeding,  infection, haematoma and thrombosis? There is no option list.

Scenario 11.           

Which condition has been the reason for recipients needing uterine transplant and which complication is more likely in addition to the usual ones of bleeding,  infection, haematoma and thrombosis? There is no option list.

Scenario 12.           

When is IVF and cryopreservation of eggs done?

Option list.

A

before uterine transplantation

B

at the time of uterine transplantation

C

12 months after uterine transplantation to ensure graft rejection does not occur

D

when the recipient chooses

E

none of the above

Scenario 13.           

Which maintenance therapy was used immediately before embryo transfer in the first case resulting in livebirth?

Option list.

A

azathioprine + corticosteroids + tacrolimus

B

azathioprine + ciclosporin + corticosteroids + mycophenolate mofetil

C

azathioprine + corticosteroids + mycophenolate mofetil + tacrolimus

D

azathioprine + corticosteroids + tacrolimus

E

ciclosporin + corticosteroids + mycophenolate mofetil + tacrolimus

F

ciclosporin + mycophenolate mofetil + tacrolimus

G

corticosteroids + mycophenolate mofetil + tacrolimus

H

corticosteroids + tacrolimus

 

10.   SBA.   Lynch syndrome.

Lynch syndrome.

Abbreviations

CRC:              colorectal cancer.

EC:                endometrial cancer.

HNPCC:         hereditary non-polyposis colo-rectal cancer.

IBD:               inflammatory bowel disease: Crohn’s & ulcerative colitis.

IDDM:           insulin-dependent diabetes mellitus.

Ls:                 Lynch syndrome.

Question 1.             

Lead-in

What is Lynch syndrome?

Option List

A

auto-immune condition leading to reduced factor X levels in blood

B

hereditary condition which increases the risk of many cancers, particularly breast

C

hereditary condition which increases the risk of many cancers, particularly breast & colorectal

D

hereditary condition which increases the risk of many cancers, particularly colorectal & endometrial

E

none of the above

Question 2.             

Lead-in

How is Lynch syndrome inherited?

Option List

A

it is an autosomal dominant condition

B

it is an autosomal recessive condition

C

it is an X-linked dominant condition

D

it is an X-linked recessive condition

E

none of the above

Question 3.             

Lead-in

Which, if any, of the following genes can cause Lynch syndrome?

Option List

A

MLH1 + MLH2 + MOH1

B

MLH1 + MLH2 + MSH1

C

MLH1 + MLH2 + MSH6

D

MLH1 + MSH2 + MSH6

E

None of the above

Question 4.             

Lead-in

Mutations of which 2 of the following genes cause the majority of cases of Lynch syndrome?

Option List

A

MLH1 + MLH2

B

MLH1 + MSH1

C

MLH1 + MSH2

D

MLH2 + MSH1

E

MLH2 + MSH2

Question 5.             

Lead-in

What is the approximate prevalence of Ls in the UK population?

Option List

F.       

1 in 50

G.      

1 in 100

H.      

1 in 1,000

I.         

3 in 1,000

J.        

none of the above

Question 6.             

Lead-in

Approximately what % of individuals with Ls have had the diagnosis established?

Option List

F.       

< 5%

G.      

5 -10%

H.      

10-20%

I.         

20-30%

J.        

>30%

Question 7.             

Lead-in

Which, if any, of the following conditions are associated with an risk of Lynch syndrome?

Conditions

acromegaly

Addison’s disease

anosmia

coeliac disease

IBD

IDDM

Option List

A

acromegaly + Addison’s disease + coeliac disease + IBD + IDDM

B

acromegaly + disease + anosmia + coeliac disease + IBD

C

acromegaly + IBD + IDDM

D

acromegaly + IBD

E

Addison’s disease + anosmia + coeliac disease + IBD + IDDM

F

acromegaly + Addison’s disease + anosmia + coeliac disease + IBD + IDDM

G

acromegaly + Addison’s disease + anosmia + coeliac disease + IBD + IDDM

H

none

Question 8.             

Lead-in

Which 2 cancers are most likely in women with Lynch syndrome?

Cancers.

A

breast

B

bowel

C

cervix

D

endometrium

E

ovary

F

pancreas

Option List

A

breast + bowel

B

breast + pancreas

C

breast + endometrium

D

bowel + cervix

E

bowel + endometrium

F

bowel + ovary

G

bowel + pancreas

H

endometrium + ovary

Question 9.             

Lead-in

What does NICE recommend about screening for Lynch syndrome for the population with no personal history of colorectal cancer?

Option List

A

offer screening to those aged < 50 years with  ≥ 1 affected 1st.O relative

B

offer screening to those aged < 60 years with ≥ 1 affected 1st.O relative

C

offer screening to those with ≥ 1 affected 1st.O relative aged < 50 years at diagnosis

D

offer screening to those with ≥ 1 affected 1st.O relative aged < 60 years at diagnosis

E

none of the above

Question 10.         

Lead-in

What does NICE recommend in relation to screening for Lynch syndrome in those with a new diagnosis of colorectal cancer?

Option List

A

offer screening to everyone, regardless of age and family history

B

offer screening to those aged < 50 years at diagnosis

C

offer screening to those aged < 60 years at diagnosis

D

offer screening to those aged < 50 years at diagnosis with + ≥ 1 affected 1st.O relative

E

offer screening to those aged < 60 years at diagnosis with + ≥ 1 affected 1st.O relative

Question 11.         

Lead-in

What does NICE recommend about screening for Lynch syndrome for the population with no personal history of thyroid cancer?

Option List

A

offer screening to those aged < 50 years with  ≥ 1 affected 1st.O relative

B

offer screening to those aged < 60 years with ≥ 1 affected 1st.O relative

C

offer screening to those with ≥ 1 affected 1st.O relative aged < 50 years at diagnosis

D

offer screening to those with ≥ 1 affected 1st.O relative aged < 60 years at diagnosis

E

none of the above

Question 12.         

Lead-in

What does NICE recommend in relation to screening for Lynch syndrome in those with a new diagnosis of thyroid cancer?

Option List

A

offer screening to everyone, regardless of age and family history

B

offer screening to those aged < 50 years at diagnosis

C

offer screening to those aged < 60 years at diagnosis

D

offer screening to those aged < 50 years at diagnosis with + ≥ 1 affected 1st.O relative

E

none of the above

Question 13.         

Lead-in

What does NICE recommend about screening for Lynch syndrome for the population with no personal history of endometrial cancer?

Option List

A

offer screening to those aged < 50 years with  ≥ 1 affected 1st.O relative

B

offer screening to those aged < 60 years with ≥ 1 affected 1st.O relative

C

offer screening to those with ≥ 1 affected 1st.O relative aged < 50 years at diagnosis

D

offer screening to those with ≥ 1 affected 1st.O relative aged < 60 years at diagnosis

E

none of the above

Question 14.         

Lead-in

What does NICE recommend in relation to screening for Lynch syndrome in those with a new diagnosis of endometrial cancer?

Option List

A

offer screening to those aged < 50 years with  ≥ 1 affected 1st.O relative

B

offer screening to those aged < 60 years with ≥ 1 affected 1st.O relative

C

offer screening to those with ≥ 1 affected 1st.O relative aged < 50 years at diagnosis

D

offer screening to those with ≥ 1 affected 1st.O relative aged < 60 years at diagnosis

E

none of the above

Question 15.         

Lead-in

What does NICE recommend about screening for Lynch syndrome for the population with no personal history of colorectal cancer?

Option List

A

offer screening to those aged < 50 years with  ≥ 1 affected 1st.O relative

B

offer screening to those aged < 60 years with ≥ 1 affected 1st.O relative

C

offer screening to those with ≥ 1 affected 1st.O relative aged < 50 years at diagnosis

D

offer screening to those with ≥ 1 affected 1st.O relative aged < 60 years at diagnosis

E

none of the above

Question 16.         

Lead-in

What does NICE recommend in relation to screening for Lynch syndrome in those with a new diagnosis of colorectal cancer?

Option List

A

offer screening to everyone, regardless of age and family history

B

offer screening to those aged < 50 years at diagnosis

C

offer screening to those aged < 60 years at diagnosis

D

offer screening to those aged < 50 years at diagnosis with + ≥ 1 affected 1st.O relative

E

offer screening to those aged < 60 years at diagnosis with + ≥ 1 affected 1st.O relative

Question 17.         

Lead-in

What relationship, if any, exists between Ls and acromegaly?

Option List

A

the risk of Ls is in those with acromegaly compared with the general population

B

the risk of Ls is in those with acromegaly compared with the general population

C

the risk of Ls is unchanged in those with acromegaly compared with the general population

D

the risk of Ls in unknown in those with acromegaly

Question 18.         

Lead-in

What is the effect of aspirin consumption on the risk of EC and CRC?

Option List

A

aspirin reduces the risk of EC and  CRC

B

aspirin reduces the risk of EC but not CRC

C

aspirin reduces the risk of CRC but not EC

D

aspirin does not reduce the risk of EC or CRC

E

aspirin reduces the risk of EC and CRC, but the risks outweigh the benefits

Question 19.         

Lead-in

A healthy woman of 35 years is diagnosed with Ls? What are the key elements of the National Screening Programme for people with Ls?

There is no option list – just write down everything you know.

Question 20.         

Lead-in

Which, if any, of the following were recommendations made by Monahan et al, the 30 experts who wrote to the BMJ in 2017?

Option List

A

creation of a national register of people with Ls

B

creation of a post of Consultant in Ls for each NHS Trust

C

creation of a post of Clinical Champion for Ls in each NHS Region.

D

creation of a post of Clinical Champion for Ls in the DOH.

E

none of the above

 

11.   SBA.   Cowden syndrome.

Abbreviations.

Cs:           Cowden syndrome.

PTEN:      Phosphatase and tensin homolog.

Scenario 1.

Which feature is associated with Cowden syndrome?

Option list.

A.     albinism

B.     hamartoma

C.     hammer-toe

D.     hypertrichosis

E.     stammer

Scenario 2.

Which condition has the highest risk of occurrence in women with Cs?

Option list.

A.     breast cancer

B.     bowel cancer

C.     congenital absence of Müllerian tract derivatives

D.     hypertension

E.     hypothyroidism

Scenario 3.

Which gynaecological cancer is a particular risk for women with Cs?

Option list.

A.     Bartholin’s gland cancer

B.     cervical cancer

C.     choriocarcinoma

D.     endometrial cancer

E.     vulval cancer

Scenario 4.

Which cancer is more common in men with Cs?

Option list.

A.     breast cancer

B.     colon cancer

C.     melanoma

D.     renal cancer

E.     thyroid cancer

F.     all of the above

 

Beirne. TOG CPD. 2015. 17.4. These are open-access.

Inherited cancer risk in gynaecology.

Only one question related to Cs specifically, but the others could be asked.

With regard to inherited cancers,

1.     germline mutations are the cause of inherited cancer syndromes.                           True / False

2.     they make up 5–10% of all cancers.                                                              True / False

3      the autosomal dominant mode of inheritance is the most common.   True / False

4.     multifactorial interaction between low penetration and environmental factors occurs in 20–25% of cases.                                                                                                    True / False

With regard to Cowden syndrome,

19.   80% of patients have an identifiable germline mutation in PTEN.                        True / False

 

 

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