Benign and malignant breast disease workup and screening mammography scenarios tested on USMLE Step 2 CK.
30 cards · basic cards · AI-written, checked twice. Edit anything.
- At what age should average-risk women begin biennial screening mammography per current USPSTF guidance?
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Age 40- What is the most common benign breast tumor in women under 30?
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Fibroadenoma- What benign breast condition causes bilateral, cyclic breast pain and lumpiness that fluctuates with the menstrual cycle?
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Fibrocystic breast changes- How is an asymptomatic simple breast cyst confirmed by ultrasound typically managed?
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Observation, no aspiration or biopsy needed- What benign breast lesion follows trauma or surgery and can mimic cancer on exam and imaging?
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Fat necrosis- What benign breast lesion is the most common cause of unilateral bloody nipple discharge?
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Intraductal papilloma- What organism most commonly causes lactational mastitis?
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Staphylococcus aureus- Should breastfeeding or pumping continue during lactational mastitis?
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Yes, continued breastfeeding or pumping is recommended- What is the next step when a fluctuant, tender breast mass develops during treatment for mastitis?
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Ultrasound to evaluate for abscess, then drainage if present- What breast condition presents as a unilateral eczematous, scaly nipple lesion associated with underlying ductal carcinoma?
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Paget disease of the breast- What aggressive breast cancer presents with skin edema, erythema, and peau d'orange, often without a discrete mass?
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Inflammatory breast cancer- What is the most common histologic type of invasive breast cancer overall?
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Invasive ductal carcinoma- Which invasive breast cancer subtype is more often bilateral and multicentric and harder to detect on mammography?
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Invasive lobular carcinoma- Ductal carcinoma in situ (DCIS) is malignant ductal epithelial proliferation confined within the ____, without invasion.
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basement membrane- Is lobular carcinoma in situ (LCIS) typically visible as a mass on breast imaging?
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No, it is usually an incidental finding on biopsy, not visible on imaging
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