Diagnosis Of Breast Cancer Flashcards
IOC
Tru-cut biopsy
IOC to staging breast cancer
18 FDG( Fluoro deoxy glucose)
PET-CT
TNM staging
Tumour
Lymph nodes
Metastasis
Prefixes for TNM
CTNM - clinical
pTNM-Pathological
rTNM-Recurrent
mTNM-Multiple
yTNM-After neoadjuvant therapy
aTNM-Autopsy
TNM Staging of breast cancer
pTX -cannot be accessible
pT0-no evidence
pTis-insitu
pTis(DCIS)
pTis(paget)
pT1mi <=1mm
pT1a>1mm<=5mm
pT1b 5mm-10mm
pT1c 10mm-20mm
pT2>20mm<=50mm
pT3>50mm
T4 is divided into
T4A-chest wall involvement
T4B-Involvent of skin
T4C- A+B
T4D-Inflammatory bready cancer
Nodal staging
N0
Nx
N1
N2(A, B)
N3(A, B, C)
Contralateral lymh nodes in breast cancer are considered diatant meds provided
No tumour on other side
N3
A-infraclavicular LN
B-Internal mammary +axillary LN
C-Supraclavicular LN
N2
A-fixed Or matted axillary lymph nodes
B-internal mammary lymph nodes in absence of axillary LN
M classificals
M0-no distant metastasis
Mx-
M1- +ve distant metastasis
Most common distant metastasis in breast cancer
Bones(vertebral column)
Why vertebral column
Batson plexus of valveless veins
Which vertebrae
Lumbar>thoracic
What type of bone metastasis
Osteolytic>osteoblastic