34 - Disease of the breast Flashcards
What are the 3 types of tissues the breast is made of?
glandular epithelium
fibrotic stroma
fatty tissue
What kind of tumors can develop from the following tissues?
- fibrotic stroma- ___
- fatty tissue- ___
fibroadenoma
liposarcoma
Which arteries supply the breast?
Internal ___ artery, and thoraco- ____ artery are the main ones.
Other arteries include the sub___, inter___, lateral ___and others
thoracic acromial scapular costal thoracic
Where does the blood drain from in the breast?
axillary vein
__% of the lymphatic drainage of the breast is through the __ LN, __% through the ___ LN.
75
axillary
25
parasternal
What are the borders of the breast?
___ to the__ arch
the sides- ___ till the mid ___ line
clavicle
ribs
sternum
axillary
The axillary LN are classified into 3 levels in relation to the ___ ___ muscle. The higher the level is the ___ the prognosis is.
pectoralis minor
worse
Axillary LN levels:
- Low- ___ to the muscle
- ___ the muscle
- High- ___ to the muscle
lateral
behind (deep)
medial
When finding a mass in the breast of a woman <30, it is most likely ___
fibroadenoma
When finding a mass in the breast of a woman 35-menopause, it is most likely ___ or ___
cystic
carcinoma
When finding a mass in the breast of a post menopausal woman, it is most likely ___
carcinoma
Prolonged breast feeding has a ___ effect against breast cancer
protective
Progesterone and estrogen ___ the risk for breast cancer
increase
___ age at menarche and ___ age at menopause together with ___ are all risk factors for breast cancer
early
late
nulliparity
The best time for breast physical examination is - days after the last ___. It should be done when the patient is __ and __
menstruation
sitting
lying
If the mass in the breast is __, non-___, __, with ___ borders- highly suspected
hard
mobile
singular
irregular
The preferred method for breast biopsy is ___ ___ biopsy, which allows to see the architecture, determine the grade and the receptors status
core needle
Core needle biopsy is made under ___ (__/__/__)
imaging
US
mammograph
MRI
If breast mass is benign- __ screening, if malignant- __ or __
routine
surgery
neoadjuvant
FNA is used for ___ breast cancer, or to assess ___
multifocal
LN
If the core needle biopsy is unclear (__%)- continue to ____ biopsy. It is important to mark it with __ or ___ seed under US or mammographic study
10
excisional
wire
radioactive
Mammographic test is suboptimal for __ and __ women.
young
pregnant
US test is useful to differentiate between ___ or __ masses, and is better for __ patients. It is suboptimal for ___ diagnosis
solid
cystic
younger
calcifications
MRI has __% FP
50
Mammographic test should be performed every - years in women >__ years.
1-2
50
Breast MRI is recommended for women >__ years with past breast malignancy/family history/ high risk.
30
BI-RADS 1= ___
negative- annual screening
BI-RADS 2= ___
benign- annual screening
BI-RADS 3= ___
<2% malignant- short interval follow up (6-months for 2 years)
BI-RADS 4= ___
2%-95% malignant- biopsy should be performed
BI-RADS 5= ___
> 95% malignant
BI-RADS 6= ___
known biopsy- proven malignancy
BI- RADS 0= ___
incomplete assessment- additional imaging
BI-RADS=___
Breast Imaging-Reporting and Data System
High risk patients are patients with 5 years calculated risk > __%
1.7
The options for high risk breast cancer patients are one of 3:
___ surveillance
___prevention
prophylactic ___
close
chemo
mastectomy
Close surveillance in high risk breast cancer patients involves:
- self ___ examination once a month from the age of 18
- __ examination by a breast surgeon twice a year, from the age of __
- ___/___ test once per year form the age of ___
manual manual 25 MRI/mammographic 25
Prophylactic mastectomy reduces the risk for breast cancer by __%. Recommended for women with ___
90
BRCA
The most common reason for bloody secretions from the breast is intraductal ___
papilloma
Name the benign breast findings: simple breast \_\_\_ simple \_\_ \_\_ & \_\_ breast infection (\_\_\_) Fat \_\_\_ \_\_
cyst fibroadenoma hamartoma & adenomas mastitis necrosis papilloma
The median age for breast cancer diagnosis is ___
63
How do we classify breast cancer?
- non invasive (-)
- ___ (most of the cases at diagnosis)
- ___ (axillary and supraclavicular LN)
- ___
in-situ
local
regional
metastatic
What are the two types of non invasive breast cance?
LCIS (lobular carcinoma in situ)
DCIS (ductal carcinoma in situ)
LCIS requires ___, beside in the case of ___.
follow up
pleomorphic
DCIS is consider as ___ malignant finding. __ and __ are more ___ morphologies, while __ and __ more malignant.
pre cribriform papillary comedo solid
Ductal membrane tends to go through ___ ending in ___.
central necrosis
calcifications
The 4 ways dealing DCIS are: \_\_\_ \_\_\_ \_\_\_ \_\_\_
- mastectomy
- breast conserving surgery + adjuvant radiation
- breast conserving surgery + w/o radiation
- hormonal adjuvant therapy (tamoxifen)
Mastectomy in the case of DCIS is recommended when we cannot achieve ___ borders, poor ___ results, C/I for ___
clean
cosmetic
radiation
BCS + adjuvant radiation is recommended when the resection achieves clean borders (- cm).
2-3
What are the 3 types of invasive breast cancer?
IDC (infiltrating ductal carcinoma)
ILC (infiltrating lobular carcinoma)
mixed ductal/lobular carcinoma
IDC is the most common invasive breast cancer (__-__%)
50-70
ILC is less common than IDC (__%), tends to penetrate in a __ __ nature
10
single file
Phyllodes are tumors classified with proliferation of __ and __. In excisional biopsy we see ___ like cells.
stroma
epithelium
leaf
Phyllodes tumors can be ___ or ___. The treatment will be ___ or ___ respectively
benign
malignant
local excision
local excision/mastectomy +adjuvant therapy
In breast cancer staging __-__ are considered as ___ advanced disease
IIB-IIIB
locally
T1< __ cm
T2= - cm
T3 >__
T4=___
2
2-5
5
extension to the skin/chest wall
N0=__
N1=-
N2=-
N3>__
no LN
1-3
4-9
9
Stage I= ___
Stage II= ___
Stage III= ___
Stage VI= ___
T1 N0 M0
T0-3 N0-1 M0
T1-4 N0-3 M0
T1-4 N1-3 M1
The most important prognostic factor is the __ __ involvement, tumor > __ cm, __, __/__ receptors, positive __.
axillary LN 2 grade estrogen/progesterone HER2
The common areas for metastatic tumors in breast cancer are the __, __, and __
liver
lungs
bones
The risk for breast cancer in BRCA is -%
50-70%
The risk for ovarian cancer in BRCA 1 is _%, BRCA 2 is -%
45%
20-30%
LCIS will usually require __/__/__
follow-up/local excision/tamoxifen
DCIS will usually require __+__/__ + __
lumpectomy + radiation
mastectomy + SLND
Phyllodes will require- if benign- ___ with clean borders of __ cm.
If malignant- __ with clean borders of __ cm / __ + __
local excision 1 local excision 1 mastectomy adjuvant radiation
Stage I-II:
- __ + __ /__
- ___
- ___/___ adjuvant therapy
- ___ adjuvant therapy for patients in high risk/positive LN
lumpectomy + radiation / mastectomy
SLND
biological / hormone
chemo
Stage III:
- ___ chemotherapy
- __ + __ /__
- ___
- adjuvant ___ (also after mastectomy)
- ___/___ adjuvant therapy
- ___ adjuvant therapy for patients in high risk/positive LN
neoadjuvant lumpectomy + radiation / mastectomy ALND adjuvant radiation biological / hormone chemo
Stage IV: ___
systemic therapy