MRCS Breast

MRCS Breast

MRCS Breast Questions


Q1.Vessels provides the greatest contribution to the arterial supply of the breast?
A. External mammary artery
B. Thoracoacromial artery
C. Internal mammary artery
D. Lateral thoracic artery
E. Subclavian artery


Q2 )34 year old lady has had an axillary node clearance for breast malignancy. After surgery  she unable to push herself forwards from a wall with the right arm and the scapula is pushed out medially from the chest wall. Where is the injury?
A. C5, C6
B. C8, T1
C. Axillary nerve
D. Long thoracic nerve


Q3. Which deep fascia is pierced in axillary dissection for breast cancer surgery

a) Sibsons fascia
B. Pre tracheal fascia
C. Waldayers fascia
D. Clavipectoral fascia


Q4. In BRCA 1 mutation, Apart from breast cancer, which of the following malignancies is she at greatest risk ofcdeveloping?

a) Colon

b) ovary

c) Stomach

d) Pancreas


1)c 

60% of the arterial supply to the breast is derived from the internal mammary artery. The external mammary and lateral thoracic
arteries also make a significant (but lesser) contribution. This is of importance clinically in performing reduction mammoplasty  procedures.


2 ) d

The patient has a winged scapula caused by damage to the long thoracic nerve (C5,6,7) during surgery. The long thoracic nerve innervates serratus anterior. 


3) d

Incision of clavipectoral fascia gives ntrance to axilla to clear the nodes

Pre tracheal - neck

Waldeyer's - colon


4) b

BRCA 1 mutation patients are 55% more likely to get ovarian cancer. Those with
BRCA 2 are 25% more likely. The risk of developing other malignancies is slightly
increased but not to the same extent

BRCA 1 and 2
 Carried on chromosome 17
linked to developing breast cancer (60%) risk.
 Associated risk of developing ovarian cancer (55% with BRCA 1 and 25%
with BRCA2).


Disease name and what it is

A. Mondors disease- Thrombophlebitis of superficial veins of breast and sometimes arm. Skin tethering to the breast tissue can occur

B. Duct ectasia - Smokers, with dilated breast ducts. Pathogenesis is dilatation of ducts, green discharge, discharge causes a peri ductal reaction with mastitis or even abscess formation. Fibrosis and slit like nipple retraction 

C. Periductal mastitis- Same as above

D. Lactational breast abscess
E. Fibroadenoma
F. Breast cyst
G. Intraductal papilloma
H. Atypical ductal hyperplasia
I. Radial scar 

What our members think
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