ABSITE Questions and Correct Answers/
Latest Update / Already Graded
Breast etymology
Ans: ectoderm milk streak
long thoracic
Ans: serratus anterior innervation; injury results in winged
scapula
medial pectoral nerve
Ans: Pec major and minor innervation
lateral pectoral nerve
Ans: pec major innervation alone
intercostobrachial nerve
Ans: can take this nerve during mastectomy if needed;
provides sensation to medial arm and axilla
Batson's Plexus
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Ans: valveless venous plexus, hematogenous spread of cancer
Poland's Syndrome
Ans: hypoplasia of chest wall, amastia, hypoplastic shoulder,
no pectoralis muscle
Mondor's Disease
Ans: superficial vein thrombophlebitis of breast; feels cordlike,
can be painful • Associated with trauma and strenuous exercise
• Usually occurs in lower outer quadrant • Tx: NSAIDs
fibrocystic disease
Ans: Only cancer risk is in atypical ductal or lobular hyperplasia
(an unusual finding) • Do not need to get negative margins with
atypical hyperplasia; just remove all suspicious areas (i.e.,
calcifications) that appear on mammogram
Sclerosing adenosis
Ans: can manifest as a cluster of calcifications on mammogram
without a mass or pain → can look like breast CA • Is
differentiated from breast CA by regularity of nuclei and
absence of mitoses
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Intraductal papilloma
Ans: most commom cause of bloody discharge from nipple
Fibroadenoma
Ans: In patients > 30 years → excisional biopsy to ensure
diagnosis
Serous discharge, single duct, spontaneous
Ans: Nipple discharge concerning for cancer
Diffuse Papillomatosis
Ans: Mammogram shows Swiss cheese appearance ■ ↑ risk of
breast CA (40% get breast CA)
DCIS
Ans: no BM invasion, Comedo type most aggressive, Tx: breast
conservation therapy, tamoxifen, no ALND
LCIS
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