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Lactational breast abscess — USMLE Step 2 CK MCQ

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HardSurgeryLactational breast abscessUSMLE Step 2 CK

A 36-year-old Hispanic man comes to the urgent care clinic because of progressive symptoms. History and focused examination are notable for postpartum breast pain, fever, erythema, and fluctuant mass. Temperature is 102.2°F (39.0°C), blood pressure is 108/66 mmHg, pulse is 112/min, respirations are 22/min, and oxygen saturation is 94% on room air. Physical examination confirms the key finding and shows no unrelated abnormality that would better explain the presentation. Focused laboratory studies and imaging support an acute surgical process without suggesting a safer outpatient approach. Which of the following is the most appropriate initial diagnostic study?

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Correct answer: B — Ultrasound-guided drainage plus antibiotics

The vignette describes Lactational breast abscess, supported by postpartum breast pain, fever, erythema, and fluctuant mass. Ultrasound-guided drainage plus antibiotics is the single best answer because it matches the diagnostic or management priority in this clinical setting. The other choices are plausible alternatives in related presentations, but they do not best fit the timing, findings, and guideline-directed approach described here.

Reference: https://www.ncbi.nlm.nih.gov/books/#stage-9-order-89