BREAST Flashcards
(12 cards)
Muscles for erection and retraction of nipple
Erection - circular SAPPEY’s
Retraction - Longitudinal MYERHOLTZ
No of lobules in breast parenchyma
20-100
Cause of disease prevalence in Upper outer quad and central area
50% ductolobular tissue in UOQ
20% in central
Tail of spence connected to which LN
Anterior axillary node
Arterial and venous supply breast
ARTERIAL
Subclavian:
Thoracoacromial
Lateral thoracic
Internal thoracic:
Medial mammary branches
VENOUS
Superficial veins drain into
Axillary v
Intercostal v
Internal mammary v
MONDORS is phlebitis of superficial vein feels like a cord
Reason for secondaries in vertebrae
Posterior Intercostal v communicates w
Paravertebral venous plexus or BATSONS PLEXUS
Nv supply breast
Long thoracic nv of bell
Thoracodorsal
Medial pectoral
Lateral pectoral
ICBN
Lymphatic drainage breast
Internal mammary nodes
Supraclavicular nodes
Axillary nodes (75%) - 25 -35 nodes total
BERG’s levels
Level I - ant, post, lateral
Level II - Central, interpectoral
Level III - apical
Mammography Indications
- Screening - 40,35,25
- Diagnostic in lump, discharge
- Other side in spread
- Follow up - Benign w potential, BCS
- Mastalgia
- Mammo guided bx
Findings mammography
Microcalcifn
Spiculations
Duct distortion
Size and location of mass
Soft tissue shadow
BIRADS
0 further imaging req
1 negative
2 benign
3 prob. Benign
4 suggestive of ca
5 highly suggestive of ca
6 known ca
ANDI age gp wise
15-25
Giant FA
Multiple FA
Mammary fistula
25-40
Cyclical mastitis
Nodularity
40-55
Cystic disease
Periductal mastitis - mammary duct fistula
Epithelial hyperplasia WITH atypia
