Blood flow signal in lymph nodes under the armpit is not considered as dermatoma, which may be metastatic lymph node tumor or malignant tumor of lymph nodes, or inflammation of lymph nodes.
1. Metastatic lymph node tumor: malignant tumors in other parts of the body can be metastasized through lymphatic metastasis, resulting in enlarged lymph nodes under the armpit, and ultrasound and other examinations may find that there are blood flow signals in these lymph nodes. It is mostly seen in breast cancer, lung cancer, thyroid cancer and so on.
2. Malignant tumor of lymph nodes: when there are swollen lymph nodes in axilla, fixed lymph nodes, unclear boundary, adhesion of surrounding tissues, ultrasound and other examinations may find that there are blood flow signals in these lymph nodes, and it is necessary to be vigilant for the existence of lymphoma, lymphocytic leukemia and so on, which requires pathological tests.
3. Inflammation of lymph nodes: when the patient has mastitis, thyroiditis, upper limb infection or lung inflammation infection, it can lead to swelling and inflammation of axillary lymph nodes, and at this time there may be blood flow signals, and timely treatment of these inflammatory diseases, the problem of swollen lymph nodes will be improved.
Underarm lymph nodes with blood flow signals do not consider sebaceous cysts, sebaceous cysts are a kind of cysts with clear boundaries and relatively soft, which is a kind of benign tumors, and does not lead to the enlargement of lymph nodes.
It is not a benign tumor and does not cause lymph node enlargement. It is recommended to consult a regular hospital for axillary lymph node enlargement.