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?
- Age 40
- What is the most common benign breast tumor in women under 30?
- Fibroadenoma
- What benign breast condition causes bilateral, cyclic breast pain and lumpiness that fluctuates with the menstrual cycle?
- Fibrocystic breast changes
- How is an asymptomatic simple breast cyst confirmed by ultrasound typically managed?
- Observation, no aspiration or biopsy needed
- What benign breast lesion follows trauma or surgery and can mimic cancer on exam and imaging?
- Fat necrosis
- What benign breast lesion is the most common cause of unilateral bloody nipple discharge?
- Intraductal papilloma
- What organism most commonly causes lactational mastitis?
- Staphylococcus aureus
- Should breastfeeding or pumping continue during lactational mastitis?
- Yes, continued breastfeeding or pumping is recommended
- What is the next step when a fluctuant, tender breast mass develops during treatment for mastitis?
- 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?
- Paget disease of the breast
- What aggressive breast cancer presents with skin edema, erythema, and peau d'orange, often without a discrete mass?
- Inflammatory breast cancer
- What is the most common histologic type of invasive breast cancer overall?
- Invasive ductal carcinoma
- Which invasive breast cancer subtype is more often bilateral and multicentric and harder to detect on mammography?
- Invasive lobular carcinoma
- Ductal carcinoma in situ (DCIS) is malignant ductal epithelial proliferation confined within the ____, without invasion.
- basement membrane
- Is lobular carcinoma in situ (LCIS) typically visible as a mass on breast imaging?
- No, it is usually an incidental finding on biopsy, not visible on imaging