Ultrasound has long been established as the first-line modality for assessing cervical lymph nodes due to its real-time imaging, high resolution and non-invasiveness. Conventional B-mode imaging ...
Left: Transverse image of left axilla on initial breast ultrasound, 19 days after first dose of Pfizer COVID-19 vaccination to left upper extremity, demonstrates increased cortical thickness of 4 mm ...
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