Breast Imaging and Surgery Flashcards

1
Q

what types of surgery are breast conservative

A

“Lumpectomy”
Wide local excision
Wire guided local excision

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2
Q

what is required for a breast conservative surgery to be as successful as a mastectomy

A

Clear margins > 1mm

Breast radiotherapy

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3
Q

what neoadjuvant Tx is used to achieve breast conservation

A

Chemotherapy (standard FEC100 and taxane) +/- Herceptin

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4
Q

what are the mastectomy options for reconstruction

A

Implant only (+/- autologous cellular matrix)

Latissimus dorsi (LD) pedicled flap +/- implant

Deep inferior epigastric artery perforator (DIEP) free flap [Transverse rectus abdominus flap]

Inferior gluteal artery perforator (IGAP) free flap

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5
Q

what Ix is done for axially stain

A

USS axilla +/- core biopsy

Sentinel node biopsy

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6
Q

what is the breast area over

A

2nd - 6th ribs, midclavicular line

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7
Q

what does the breast over lie

A

deep pectoral fascia

lower part overlies serratus anterior

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8
Q

what extends towards the axilla from the breast

A

axillary tail of spence

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9
Q

what cases should be imaged

A
Lumps
Unilateral or blood-stained nipple discharge
Skin tethering or dimpling
Signs of inflammation
Axillary lumps
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10
Q

what cases should not be imaged

A

pain
tenderness
symmetrical nodularity

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11
Q

why would a PC of pain be imaged

A

if associated with focal/asymmetrical nodule
» exclude underlying mass

Ix&raquo_space; mammogram or USS or both

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12
Q

what Ix would be done for a mass in the < 40

A

US

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13
Q

what Ix would be done for a mass in the > 40

A

1st line = Mammogram

2nd line = USS

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14
Q

what are the two most common views used in a mammogram

A
Mediolateral oblique (MLO)
Craniocaudal (CC)
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15
Q

what view is the best single view

A

Mediolateral oblique (MLO)

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16
Q

what are features of malignant calcification seen on mammogram

A

cluster shape/size
- rhomboid forms

distribution

  • cluster or segmental = think malignant
  • scattered or diffuse = think benign

individual particle shape
- linear/branching/Y shaped forms

17
Q

what are indications for an ultrasound

A

characterisation of mammogram findings
- differentiate between cystic and solid lesions

palpable lesion in women < 40

nipple discharge

breast implants or augmentation

inflammatory conditions (abscesses)

Evaluation of response to chemotherapy

18
Q

how do malignant sold nodules appear on ultrasound

A

poorly circumscribed
hypoechoic
heterogenous [all one colour]
“taller than wide”

19
Q

what are indications for MRI

A
diagnosis of breast cancer
staging and Tx planning 
residual disease post WLE
response assessment
screen young very high risk women
20
Q

what is MRI essentially used for in breast imaging

A

screen young very high risk women

21
Q

who are risk women

A

previous radiotherapy
BRCA 1,2 or TP 53 mutation
Hx of previous breast cancer