WTEN: COVID Vaccine May Interfere with Mammogram Results

Kirsten Cestaro, M.D., associate director of St. Peter’s Breast Center, was interviewed by WTEN/News10 about side effects of the COVID-19 vaccine and their potential interference with mammogram results.

From the story:

“During vaccine trials they found both men and women were palpating, feeling lumps in their armpits or same side where they had vaccine,” explained Dr. Kirsten Cestaro, a radiologist with St. Peter’s Breast Center. She says both the Pfizer and Moderna vaccine come with this possible side effect of enlarged lymph node following the first and second shot.

But it’s not something you want to pop up in your mammogram results.

“When we see enlarged lymph nodes, that can be a secondary sign of breast cancer,” Dr. Cestaro explained, which can result in a false positive.

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