Oncology Questions? Ask an Oncologist for Answers ASAP
This kind of presentation is more common in younger females such as yourself. The ultrasound can miss it because there is a lot of cystic formations that are dense and can cause artifacts - although this is less common.
A follow up with a mammogram is most often indicated and covered by insurance companies - this would be less sensitive for the cyst but MORE sensitive for any malignancy.
Wish you best of luck and a quick recovery.
correcting interpreting ultrasound images is an acquired skills, it is highly unlikely that a radiologist would miss this finding - most likely they attributed it to an artifact or another findings such as cystic disease. Diagnosing fibroadenomas most commonly requires a tissue biopsy.
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