Sat Nov 30 07:46:28 UTC 2024: ## Swollen Lymph Nodes: When to Worry About Cancer

**New Delhi, India** – Swollen lymph nodes, a common symptom often linked to infections, can sometimes indicate a more serious underlying condition, including cancer, according to Dr. Aditi Agarwal, Associate Director of Radiation Oncology at Max Hospital Saket.

While infections like colds, flu, strep throat, mononucleosis, and even autoimmune diseases frequently cause lymph node enlargement (lymphadenopathy), persistent swelling warrants medical attention. Dr. Agarwal emphasizes that most cases are due to infections, often responding well to antibiotics or other treatments.

However, enlarged lymph nodes can be a symptom of cancer, specifically lymphomas (primary lymphatic cancers) or metastasis (cancer spreading from another body part).

To determine the cause of swollen lymph nodes, doctors first conduct a physical examination, considering location, size, and associated symptoms. Further investigations may include blood tests to rule out infections, imaging tests like ultrasound, CT scans, or PET scans to visualize the nodes, and potentially a fine-needle aspiration or biopsy to identify cancerous cells.

If cancer is diagnosed, the prognosis depends on various factors, including cancer type, stage, and extent of lymph node involvement. Early detection is crucial for effective treatment, which may include surgery, chemotherapy, radiation, or immunotherapy.

Dr. Agarwal stresses that while most cases are benign, persistent or unexplained swollen lymph nodes should not be ignored. A timely medical evaluation is crucial for accurate diagnosis and appropriate treatment. The article concludes with a standard medical disclaimer emphasizing the importance of seeking professional medical advice.

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