Breast week Flashcards
1
Q
- Name the ligaments that support the breast tissue
- What is the basic functional secretory unit of the breast
- In the non-lactating breast, terminal _______ lead into an
_________ collecting duct which leads into the _________ duct for that lobe.
The ___________ duct leads to the nipple, passing through an expanded duct
region near the nipple termed the lactiferous ______.
A
- Suspensory ligaments
- Terminal Duct Lobular Unit
- Ductules, intralobular, lactiferous duct, lactiferous, sinus.
2
Q
- Name the cells that surround the Acini and their purpose
- Describe the epithelium of the nipple
- During pregnancy _________ and __________ stimulate _________ of secretory tissue and fibro-fatty tissue becomes sparse.
A
- Myoepithelial cells, contractile cells that surround the secretory acini
- thin, highly pigmented, keratinized stratified
squamous epithelium - Oestrogen, Progesterone, proliferation.
3
Q
- The lipid droplets of milk are secreted into it by ________ secretion whereas the protein is secreted by _________ secretion (exocytosis).
- Following menopause the secretory cells of the TDLU degenerate leaving only the _______ ___. The amount of __________ _____ and _____ _____ decrease like ageing skin.
- Blood supply to the breasts is from the Lateral and Medial _________ arteries which branch from the _______ ________ and _______ _______ respectively. Venous drainage is from the lateral and medial ______ veins
A
- Apocrine, Mesocrine
- Lactiferous ducts, connective tissue, elastic fibres.
- Mammary, Lateral thoracic and Medial thoracic, Mammary.
4
Q
- Lymphatic drainage from the breast mainly moves superolaterally to the ________ lymph nodes. However , it may also move medially to the __________ lymph nodes or superiorly to the ___________ lymph nodes.
A
- Axillary, parasternal, supraclavicular.
5
Q
- What is the standard assessment of breast disease collectively known as?
- What does this consist of?
- What are the possible cytopathological investigations?
- What are the possible histopathological investigations?
A
- Triple assessment.
- Clinical assessment- history and examination
Imaging- Mammogram, Ultrasound, MRI
Pathology- Cytopathology and histopathology investigations. - FNA, fluid/nipple scrape/nipple discharge cytology.
- Needle Core Biopsy, Vacuum Assisted Biopsy, Wide Excision Biopsy, Mastectomy
6
Q
- Define Gynaecomastia
- What is the most common differential to breast cancer in women aged 20-50yrs?
- How does this present?
- Describe the pathology.
- How may it be treated?
A
- Breast development in a male- there is ductal growth but no lobular development.
- Fibrocystic change
- Smooth lumps which may cause sudden or cyclical pain and resolve following menopause (related to menstrual cycle)
- Cysts with intervening fibrosis.
- Passive conservative management. Exclude malignancy.
7
Q
- Define a breast hamartoma
- Name the main type of hamartoma of the breast.
- How does it present?
- How should it be treated?
A
- Circumscribed lesion composed of cell types normal to the breast but present in an abnormal proportion or distribution.
- Fibroadenoma.
- Painless, firm, mobile mass.
- Diagnosis, reassurance (as with all benign breast lumps) and excision.
8
Q
- Define sclerosing lesions of the breast.
- What are the two types of these?
- What is the clinical significance of these for breast cancer?
- How ought they to be treated?
A
- Benign, disorderly proliferation of acini and stroma. Can cause a mass or calcification.
- Sclerosing adenosis, Radial Scar (if large called Complex sclerosing lesion)
- They can mimic carcinoma and can lead to carcinoma.
- Excision!
9
Q
- Identify three inflammatory pathologies of the breasts.
- What are the two main aetiologies of fat necrosis? How managed?
- Define Duct Ectasia and add some clinical features
A
- Mastitis, Fat Necrosis, Duct Ectasia
- Local trauma e.g. seatbelt injury, warfarin therapy. Passive
- Inflammatory condition of the sub-areolar ducts. Causes pain and bloody/purulent discharge. Treated by excision.
10
Q
- What are the two main aetiologies of acute mastitis/abscess?
- What are the treatment options?
A
- Duct Ectasia (anaerobes etc) and Lactation (staph aureus and strep pyrogenes).
- Antibiotics, Percutaneous drainage, Incision & drainage, Treat underlying cause
11
Q
- Identify two largely benign tumours of the breast.
- Describe the clinical features of the first and how it should be treated.
- Describe the clinical features of the second
A
- Phyllodes tumour and Intraduct papilloma.
- Slow growing unilateral breast mass, age 40-50yrs. Should be adequately excised, rarely metastasises.
- Presents with nipple discharge +/- blood or maybe asymptomatic and picked up on screening. Epithelial proliferation occurs in sub-areolar ducts.
12
Q
- What does DCIS and LCIS stand for? What are they?
- What is the difference between In-situ and invasive?
- What is the name for DCIS affecting the nipple? What is the appearance of this?
- What is the treatment/prognosis of DCIS?
A
- Ductal Carcinoma In-situ, Lobular Carcinoma In-situ. They are precursors of Invasive Breast Carcinoma.
- IN-SITU: Confined within the basement membrane
INVASIVE: Invades through the basement membrane. - Paget’s Disease of the Nipple. Looks like eczema of the nipple ( erythema and scaly).
- Full excision and adjuvant therapy, good prognosis if successfully excised.
13
Q
- Define Invasive Breast Carcinoma.
- Identify some of the risk factors of Breast cancer.
- Name the two gene mutations most commonly associated with breast cancer.
A
- Malignant Epithelial cells which have breached the Basal Membrane.
- Ageing, Family History, Hormonal status, Early Menarche, Late Menopause, Nulliparous, Hormonal Therapy, Precursor pathologies.
- BRAC1 and BRAC2 on chromosomes 17 and 13 respectively. They are tumour suppressor genes.
14
Q
- In the natural history of Breast carcinoma what do the following letters mean: TNM? How many stages are in each and what does this mean?
- What are the three Hormone Receptor Expressions associated with Breast Carcinoma
- Name three prognostic indices for breast carcinoma
A
- Tumour Node Metastasis. T1-T4 extent of tumour and invasion into neighbouring structures, N0-N3 lymphatic spread , M0-M1 Blood-borne spread.
- Oestrogen Receptors (ER), Progesterone receptors (PR) and Human Epidermal growth factor Receptor 2.
- Nottingham Prognostic Index, Adjuvant! Online, NHS Predict
15
Q
- What is the most common cancer in women?
- Which is more common: DCIS or LCIS?
- Identify the 6 most common presenting symptoms/signs or breast cancer.
A
- Breast cancer.
- DCIS
- Dimpled or depressed skin, visable lump, Nipple change (Exversion/Inversion), Bloody discharge, Texture change, Colour change.
16
Q
- What is the PREFFERED treatment of breast carcinoma? What does this consist of?
- What type of surgery might be needed following BCS or Radical Mastectomy?
- What types of adjuvant therapy are there?
- Identify a symptom of the breast which is common for women and almost always benign.
A
- Breast-Conserving Surgery: Conservatory surgery and radiotherapy.
- Cosmetic Reconstruction surgery.
- Hormonal Therapy: Tamoxifen. Targeted Therapies such as Herceptin (Trastuzumab), recombinant humanized monoclonal antibodies (bevacizumab and lapatinib)
- Mastalgia.
17
Q
- What is the difference between specificity and sensitivity?
- What is a mammogram?
- What pathology can be seen on a mammogram?
- What is the advantage of a mammogram with regards malignancy?
A
- Specificity= How well a test identifies a patient without disease
Sensitivity= How well a test identifies a patient with disease. - An X-ray of the breast tissue.
- Benign calcifications and DCIS, invasive cancers also.
- It is highly sensitive to DCIS and invasive carcinoma
18
Q
- When is mammography indicated?
- How might an ultrasound of benign breast masses compare to that of malignant masses?
- How does the sensitivity of US compare to that of a mammogram?
A
- Screening (50 – 70yrs)
Higher risk screening > 40 years
Symptomatic assessment > 40 years
Monitoring response to systemic treatment: NACT (NET)
Follow-up after cancer treatment - Benign- ‘wide’ and well defined and black, Malignant- ‘tall’ and ill defined and mixed.
- Good sensitivity for invasive carcinoma but poor for DCIS unlike mammogram.
19
Q
- Name two Advanced Mammographic Techniques
A
- Tomosynthesis, Contrast Enhanced Spectral Mammography (CESM).
20
Q
- Define Tomosynthesis
2. What is the advantage of it over a normal mammogram?
A
- Effectively a 3D Mammogram where images are taken in an arc
- Removes overlap, may increase sensitivity in denser breasts.
21
Q
- Define CESM
2. What is the main advantage of CESM?
A
- Effectively an IV contrast enhanced mammogram.
2. Greater Specificity and sensitivity, especially in dense breasts.
22
Q
- Identify some Advanced Ultrasound techniques for the breast.
- What is the advantage of MRI over the other types of imaging for breast cancer.
A
1.Strain Elastography Shear Wave Elastography Contrast Enhanced US (CE-US) Automated breast ultrasound (ABUS) 2. It has the best sensitivity of all the imaging techniques for breast cancer. However its specificity isn't as good.
23
Q
- What age group is supplied with breast screening? What type of imaging is it? How often is an individual screened?
- What is a stereotactic biopsy?
A
- 50-70yrs, Mammogram, every 3 yrs.
2. A biopsy guided by a mammogram.
24
Q
- Identify two neo-adjuvant treatments that are considered for breast cancer.
- What are the two surgical options for breast cancer?
A
- Neo-adjuvant Chemotherapy and Neo-adjuvant Endocrine therapy (Aromatase inhibitors)
- Breast Conservation Surgery (with radiotherapy) and Mastectomy.
25
Q
- What are the three types of Breast Conservation Surgery?
2. Identify some of the aims of successful Breast Conservation Surgery.
A
- Wide local excision (Skin to pectoral muscle), Image guided local excision, Oncoplastic breast conservation including therapeutic mammoplasty.
- Clear margins >1mm (aim for 1cm), should be full thickness excision, plus breast radiotherapy.
26
Q
- What makes a mastectomy differ from BCS?
2. What are the two main types?
A
- Involves removal of whole breast.
2. standard transverse excision and skin sparing mastectomy.
27
Q
- What types of cosmetic services are available?
2. What are the drawbacks of reconstructive surgery?
A
- External prosthesis, immediate or delayed reconstruction.
2. Multiple complications e.g. infection or slippage therefore 40% require revisionist surgery.
28
Q
- Axillary _________ are carried out in patients with known breast cancer to examine the ______ _____. If they appear suspicious then an ultrasound guided biopsy is needed. If macrometastases are not detected or the nodes appear normal on initial ultrasound then a _______ _____ __________ is performed. If macrometastases are found _______ lymph node _______ is performed.
- What sign may be visible if lymph nodes are effected?
A
- Ultrasound, axillary nodes, sentinel node biopsy, axillary, clearance.
- Arm lymphoedema.
29
Q
- What is the characteristic symptom of intraductal papilloma?
- How might Paget’s disease of the nipple be distinguished CLINICALLY from eczema?
- If a mother has acute mastitis what is the best advice for breastfeeding?
A
- Bloody nipple discharge
- Itch and erythema begins with nipple then to areola; vice-versa for eczema.
- Breastfeed baby from the unaffected breast.
30
Q
- What hormone stimulates the lactiferous ducts to grow at puberty?
- What is the commonest histological type of breast cancer?
- What are malignant appearing microcalcifications of the breast diagnostic for?
- What symptom is related to adjuvant chemotherapy but not radiotherapy?
A
- Oestrogen.
- Invasive ductal carcinoma.
- Ductal carcinoma in-situ.
- Hair loss