Shared Flashcard Set

Details

Breast
Breast Pathophys
40
Medical
Graduate
02/13/2012

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Cards

Term
Changes of TDLU after menopause?
Definition
Atrophy
Term
What is Mastitis?
Definition
Breast Inflammation
Term
2 broad types of mastitis?
Definition
1) Puerperal (lactational)
2) Non-puerperal
Term
Cause of lactational mastitis?
Definition
Duct obstruction & milk leakage; breast milk cytokines incite inflammatory response
Term
Rx - lactational mastitis
Definition
Frequent emptying of breast. Abx. If abscess drain & discontinue nursing.
Term
4 types of Non-Puerperal Mastitis?
Definition
1) Duct Ectasia
2) Fat Necrosis
3) Granulatomous Mastitis
4) Inflammatory Carcinoma
Term
5 symptoms that make a breast mass most likely benign?
Definition
Tender/painful, changes during menstrual cycle, history of breast cysts, nipple discharge, hx of trauma
Term
Circumscription, consistency, mobility - benign vs malignant?
Definition
Circumscription - well-defined (B), ill-defined (M)
Consistency - rubbery (B), firm/hard (M)
Mobility - freely mobile (B), attached to skin/chest wall (M)
Term
Elderly woman w mastitis - what is most likely?
Definition
Duct Ectasia
Term
4 components of duct ectasia?
Definition
Duct dilation, secretory stasis, periductal inflammation, fibrosis.
Term
Dx of Fibrocystic Change is based on?
Definition
H & P
Term
If Fibrocystic Change dx is indeterminate via H&P, what are next steps?
Definition
Mammography, ultrasonography
Term
Duct epithelial hyperplasia w fibrocystic change indicates which type of fibrocystic change?
Definition
Proliferative fibrocystic change
Term
Proliferative fibrocystic change w moderate/severe duct epithelial hyperplasia indicates what risk of breast CA?
Definition
1.5-2x increased
Term
Lobes open into the nipple via what?
Definition
Lactiferous ducts
Term
What does each lobule end in?
Definition
Terminal Duct Lobular Unit (TDLU)
Term
Which hormones cause proliferation & enlargement of TDLU epi cells?
Definition
Estrogen & Progesterone
Term
Mastitis after trauma is usually due to what?
Definition
Fat necrosis, free fatty acids complex w Ca2+ to form soaps
Term
Primary cause of granulomatous mastitis?
Definition
Ruptured silicone implant
Term
"Peau d'Orange" indicates what?
Definition
Dermal lymphatic invasion by cancer cells
Term
Duct dilation, apocrine metaplasia, stromal fibrosis - what is it?
Definition
Fibrocystic Change
Term
"Leaf-Like" tumor - what is it and what does it feel like grossly?
Definition
Phyllodes Tumor; firm, circumscribed, mobile
Term
Woman experiencing menopause w thick, green nipple discharge - what is it?
Definition
Mammary Duct Ectasia
Term
Bloody nipple discharge - what is it? what is prognosis?
Definition
Intraductal Papilloma; benign
Term
Young woman w painless, mobile, firm/rubbery mass - what is it?
Definition
Fibroadenoma
Term
What inherited mutation makes a tumor more likely to overexpress HER2/neu?
Definition
BRCA1
Term
A family history of breast and ovarian cancer is assoc w what inherited mutation?
Definition
BRCA1 (more than BRCA2)
Term
What does a TP53 mutation cause?
Definition
Li-Fraumeni/SBLA syndrome (soft tissue/bone Sarcomas, Brain tumors, Leukemias, Adrenocortical cancers)
Term
Bone pain is seen with what breast pathology?
Definition
advanced breast ca
Term
4 main types of breast ca?
Definition
DCIS, Invasive Duct Carcinoma, LCIS, Invasive Lobular Carcinoma
Term
No palpable mass, w firm & "pebbly" tissue & cluster of finely stipples calcification on mammogram - what is it?
Definition
DCIS
Term
Neoplastic epi cells replace epi of TDLU - what is it?
Definition
LCIS
Term
How is LCIS usually detected and why?
Definition
Incidental finding on biopsy; no palpable mass or calcifications
Term
Small uniform malignant cells invading stroma single-file - what is it?
Definition
Invasive Lobular Carcinoma
Term
Cancer cells in the epidermis indicate what?
Definition
Paget's disease; underlying DCIS or Invasive Duct Carcinoma
Term
Most common site of breast ca metastasis?
Definition
Axillary LNs
Term
Most common distant sites of breast ca metastasis?
Definition
Bone, Brain, Lung, Liver
Term
5 prognostic markers of tumor aggressiveness?
Definition
Axillary LN involvement, tumor size, tubular (or other "good prognosis" types), histo grade, proliferation index
Term
ER/PR+ tumors should be treated how?
Definition
Tamoxifen
Term
Tumors that overexpress HER2/neu should be treated how?
Definition
Herceptin (monoclonal ab)
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