Is Lymph Nodes Dangerous?
No, Swollen Lymph Nodes Aren't Fatal. Alone, They're Simply a Sign That Your Immune System Is Fighting an Infection or Illness. However, in Rare Cases, Swollen...
No, swollen lymph nodes aren't fatal. Alone, they're simply a sign that your immune system is fighting an infection or illness. However, in rare cases, swollen lymph nodes can point to serious conditions, such as cancer of the lymphatic system (lymphoma), which could potentially be fatal.
When should I worry about my lymph nodes?
When to see a doctor
See your doctor if you're concerned or if your swollen lymph nodes: Have appeared for no apparent reason. Continue to enlarge or have been present for two to four weeks. Feel hard or rubbery, or don't move when you push on them.
What size lymph node is dangerous?
Nodal size
Lymph nodes measuring more than 1 cm in the short axis diameter are considered malignant. However, the size threshold does vary with anatomic site and underlying tumour type; e.g. in rectal cancer, lymph nodes larger than 5 mm are regarded as pathological.