![]() This was “… concerning for metastasis however, further investigation revealed that these patients had received COVID-19 vaccinations prior to imaging.” In three of the patients, pathology examination (removal of lymph nodes for analysis) revealed no cancer, and it was assumed based on radiological and clinical information that the COVID vaccine had triggered this response in all five individuals. The Özütemiz team report the cases of five cancer patients who were found on imaging to have enlarged lymph nodes. However, when cancer patients undergo imaging (PET/CT, MRI and ultrasonography) as part of monitoring their disease, it is concerning for their imaging radiologists/oncologists to detect swollen armpit lymph nodes-and, in turn, it can be alarming for the patients. Thus, lymph node enlargement was noted as a vaccine side effect. Percentages were much lower with the Pfizer vaccine. ![]() The presence of cancer cells in the lymph node system can be a sign of metastasis, since the system has its own circulation that can be a source of cancer cell transport even while the immune system is trying to deal with the cancer cells.Īccording to the Özütemiz paper, clinical trials of the Moderna vaccine reported swollen or tender lymph nodes in the same-side armpit in 11.6% of 1st dose recipients and 16% of 2nd dose recipients. According to one health information site, “They filter harmful substances like bacteria and cancer cells from your body, and help fight infections.” In addition, for patients dealing with cancer, enlarged lymph nodes play an important part in detecting, diagnosing, and predicting the course of cancer in a person’s body. Lymph nodes exist throughout the body, and they are an important part of the immune system. The sign is swollen lymph nodes in the armpit on the side where the injection was given. (2021) on a COVID-19 vaccine side effect that may unduly alarm cancer patients because it’s similar to a sign that their cancer has spread. Recently, the journal Radiology published a paper by Özütemiz, et al. Side effects can include pain/swelling at the injection site, and systemic symptoms such as fever, chills, fatigue and headache. Either manufacturer’s product can cause side effects, most notably after the 2nd dose-a sign that the immune system has been activated. Both are injected into the arm just below the shoulder, and the CDC allows up to 42 days (6 weeks) between doses. Side effect of the vaccine mimics cancer metastasisĪgain, as of this writing, there are two different 2-part vaccines being distributed: one from Pfizer and the other from Moderna. This is an enormous step toward weakening the virus and eventually restoring life after COVID. ![]() At this time, there are a reported 114 million active cases of COVID worldwide, with 28.5 million of them in the U.S.Īnd yet, within these 12 months, pharmaceutical companies have created, tested, and are now producing effective vaccines. Scientists around the world scrambled to unravel the mysteries of this coronavirus while millions of people around the globe have died. At the time of this writing, it’s been over a year since SARS-CoV-2, the virus that causes COVID-19, was confirmed in the U.S.
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